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Project Number	Project Title	Stage	Comments
NCHRP 01-25(1)	Effects of Heavy Vehicle Characteristics on Pavement Response and Performance---Phase II	Completed
NCHRP 01-27	Video Image Processing for Evaluating Pavement Surface Distress	Completed
NCHRP 01-28	Laboratory Determination of Resilient Modulus for Flexible Pavement Design	Completed
NCHRP 01-28A	Harmonized Test Methods for Laboratory Determination of Resilient Modulus for Flexible Pavement Design	Completed
NCHRP 01-29	Improved Surface Drainage of Pavements	Completed
NCHRP 01-30	Support Under Portland Cement Concrete Pavements	Completed
NCHRP 01-31	Smoothness Specifications for Pavements	Completed
NCHRP 01-32	Systems for Design of Highway Pavements	Completed
NCHRP 01-33	Methodology to Improve Pavement-Investment Decisions	Completed
NCHRP 01-34	Performance of Subsurface Pavement Drainage	Completed
NCHRP 01-34A	Contributions of Pavement Structural Layers to Rutting of Flexible Pavements	Completed
NCHRP 01-34B	Effectiveness of Subsurface Drainage for HMA and PCC Pavements	Completed
NCHRP 01-34C	Effects of Subsurface Drainage on Performance of Asphalt and Concrete Pavements	Completed
NCHRP 01-34D	Effects of Subsurface Drainage on Performance of Asphalt and Concrete Pavements: Further Evaluation and Analysis of LTPP SPS-1 and SPS-2 Field Sections	Completed
NCHRP 01-35A	Guide for Pavement Management	Completed
NCHRP 01-36	Determination of Pavement Damage from Super-Single and Singled-Out Dual Truck Tires	Completed
NCHRP 01-37	Development of the 2002 Guide for the Design of New and Rehabilitated Pavement Structures	Completed
NCHRP 01-37A	Development of the 2002 Guide for the Design of New and Rehabilitated Pavement Structures: Phase II	Completed
NCHRP 01-37A(01)	Distribution Plan for the Recommended Mechanistic-Empirical Pavement Guide and Software	Completed
NCHRP 01-38	Guide on Pavement Rehabilitation Strategies	Completed
NCHRP 01-39	Traffic Data Collection, Analysis, and Forecasting for Mechanistic Pavement Design	Completed
NCHRP 01-40	Facilitating the Implementation of the Guide for the Design of New and Rehabilitated Pavement Structures	Active	Version 1.0 (June 2007) of the Mechanistic-Empirical Pavement Design Guide software is available online for evaluation at http://www.trb.org/mepdg/. To report a software error, go to http://www.ara-tracker.com.
NCHRP 01-40A	Independent Review of the Recommended Mechanistic-Empirical Design Guide and Software	Completed
NCHRP 01-40B	User Manual and Local Calibration Guide for the Mechanistic-Empirical Pavement Design Guide and Software	Completed
NCHRP 01-40D(01)	Technical Assistance to NCHRP and NCHRP Project 1-40A: Versions 0.9 and 1.0 of the M-E Pavement Design Software	Active
NCHRP 01-40D(02)	Technical Assistance to NCHRP and NCHRP Project 1-40A: Versions 0.9 and 1.0 of the M-E Pavement Design Software	Active
NCHRP 01-41	Models for Predicting Reflection Cracking of Hot-Mix Asphalt Overlays	Active
NCHRP 01-42	Top-Down Fatigue Cracking of Hot-Mix Asphalt Layers - Phase I	Completed
NCHRP 01-42A	Models for Predicting Top-Down Cracking of Hot-Mix Asphalt Layers	Active
NCHRP 01-43	Guide for Pavement Friction	Completed
NCHRP 01-44	Measuring Tire-Pavement Noise at the Source	Completed
NCHRP 01-45	Models for Estimating the Effects of Pavement Condition on Vehicle Operating Costs	Active
NCHRP 01-46	Handbook for Pavement Design, Construction, and Management	Pending
NCHRP 01-47	Sensitivity Evaluation of MEPDG Performance Prediction	Pending
NCHRP 01-48	Integrating Pavement Preservation into the Design Process	Anticipated
NCHRP 01-49	Guidelines for Forensic Evaluation of Highway Pavements	Anticipated
NCHRP 02-14	Public/Private Partnerships for Financing Highway Improvements	Completed
NCHRP 02-15	Identifying Measuring, and Evaluating the Benefits of Safety Roadside Rest Areas	Completed
NCHRP 02-16	Relationships Between Vehicle Configurations and Highway Design	Completed
NCHRP 02-17(1)	Methodologies for Evaluating the Effects of Transportation Policies on the Economy	Completed
NCHRP 02-17(2)	Workshop on Research Needs in Transportation and Economic Development	Completed
NCHRP 02-17(3)	Macroeconomic Analysis of the Linkages Between Transportation Investments and Economic Performance	Completed
NCHRP 02-17(3)A	Update and Enhancement of Dataset for Macroeconomic Analysis of Transportation Investments and Economic Performance	Completed
NCHRP 02-17(4)	Measuring the Relationship Between Freight Transportation Services and Industry Productivity	Completed
NCHRP 02-17(5)	Impact of Urban Congestion on Business	Completed
NCHRP 02-17(6)	Tourism Travel Contributions to Economic Development	Completed
NCHRP 02-18	Research Strategies for Improving Highway User Cost-Estimating Methodologies	Completed
NCHRP 02-18(2)	Valuation of Travel-Time Savings and Predictability in Congested Conditions for Highway User-Cost Estimation	Completed
NCHRP 02-18(3)	Development of an Innovative Highway User-Cost Estimation Procedure	Completed
NCHRP 02-18(4)	Development and Demonstration of StratBENCOST Procedure	Completed
NCHRP 02-19	Research on the Relationship Between Economic Development and Transportation Investment	Completed
NCHRP 02-19(2)	Guidance on Using Existing Analytic Tools for Evaluating Transportation Investments	Completed
NCHRP 02-20	Economic Trends and Multimodal Transportation Requirements	Completed
NCHRP 02-21	Economic Implications of Congestion	Completed
NCHRP 02-22	Needs in Communicating the Economic Impacts of Transportation Investment	Completed
NCHRP 02-22(2)	Case Studies on Communicating the Economic Benefits of Transportation Investments	Completed
NCHRP 02-23	Development of an Update to the 1977 AASHTO Redbook	Completed
NCHRP 03-28	Effects of Quality of Traffic Signal Progression on Delay	Completed
NCHRP 03-32	Temporary Pavement Markings for Work Zones	Completed
NCHRP 03-33	Capacity and Level-of-Service Procedures for Multilane Rural and Suburban Highways	Completed
NCHRP 03-35	Speed-Change Lanes	Completed
NCHRP 03-36	Development of a Low-Cost Bridge Weigh-In-Motion System	Completed
NCHRP 03-37	Capacity and Level of Service at Ramp-Freeway Junctions	Completed
NCHRP 03-37(2)	Capacity and Level of Service at Ramp-Freeway Junctions (Phase II)	Completed
NCHRP 03-38(1)	Assessment of Advanced Technologies for Relieving Urban Traffic Congestion	Completed
NCHRP 03-38(1)A	A Study to Assess Advanced Vehicle and Highway Technologies	Completed
NCHRP 03-38(2)	Travel Characteristics of Large-Scale Suburban Activity Centers	Completed
NCHRP 03-38(3)	Traffic Adaptive Control (Phase 1)---Critical Intersection Control Strategies; (Phase 2)---OPAC Control Strategies	Completed
NCHRP 03-38(4)	Traffic Signal Control for Saturated Conditions	Completed
NCHRP 03-38(5)	Effective Utilization of Street Width	Completed
NCHRP 03-38(6)	Cost Sharing for Transportation Improvements Near Major Suburban Employment Centers	Completed
NCHRP 03-38(7)	Access Management Policies and Guidelines for Activity Centers	Completed
NCHRP 03-39	Evaluation and Calibration Procedures for Weigh-In-Motion Systems	Completed
NCHRP 03-39(2)	On-Site Evaluation and Calibration Procedures for Weigh-In-Motion Systems	Completed
NCHRP 03-40	Single Point Urban Interchange Design and Operations Analysis	Completed
NCHRP 03-41	Procedure for Determining Work Zone Speed Limits	Completed
NCHRP 03-41(2)	Effectiveness and Implementability of Procedures for Work Zone Speed Limits	Completed
NCHRP 03-42	Determination of Stopping Sight Distances	Completed
NCHRP 03-43	Use of Shoulders and Narrow Lanes to Increase Freeway Capacity	Completed
NCHRP 03-44	Improved Traffic Control Device Design and Placement to Aid the Older Driver	Completed
NCHRP 03-45	Speed-Flow Relationships for Basic Freeway Segments	Completed
NCHRP 03-46	Capacity and Level of Service at Unsignalized Intersections	Completed
NCHRP 03-47	Capacity Analysis of Interchange Ramp Terminals	Completed
NCHRP 03-48	Capacity Analysis for Actuated Intersections	Completed
NCHRP 03-49	Capacity and Operational Effects of Midblock Left-Turn Lanes	Completed
NCHRP 03-50	Driver Information Overload	Completed
NCHRP 03-50(2)	Additional Investigations on Driver Information Overload	Completed
NCHRP 03-51	Communications Mediums for Signal, IVHS, and Freeway Surveillance Systems	Completed
NCHRP 03-52	Impacts of Access-Management Techniques	Completed
NCHRP 03-52A	Impacts of Access-Management Techniques	Completed
NCHRP 03-53	Development of a HOV Systems Manual	Completed
NCHRP 03-54	Uniform Traffic Signal Displays for Protected/Permissive Left Turn Control	Completed
NCHRP 03-54(2)	Evaluation of Traffic Signal Displays for Protected/Permissive Left Turn Control	Completed
NCHRP 03-55	A Highway Capacity Manual for the Year 2000	Completed
NCHRP 03-55(2)	Techniques to Estimate Speeds and Service Volumes for Planning Applications	Completed
NCHRP 03-55(2)A	Planning Applications for the Year 2000 Highway Capacity Manual	Completed
NCHRP 03-55(3)	Capacity and Quality of Service for Two-Lane Highways	Completed
NCHRP 03-55(4)	Performance Measures and Levels of Service in the Year 2000 Highway Capacity Manual	Completed
NCHRP 03-55(5)	Capacity and Quality of Service of Weaving Areas	Completed
NCHRP 03-55(6)	Production of the Year 2000 Highway Capacity Manual	Completed
NCHRP 03-56	Systemwide Impact of Safety and Traffic Operation Design Decisions for Resurfacing, Restoration, or Rehabilitation (RRR) Projects	Completed
NCHRP 03-57	Recommended Traffic-Control Devices for Railroad-Highway Grade Crossings	Completed
NCHRP 03-58	Assessing Traffic Control Signal Installations Using Capacity Analysis and Simulation	Completed
NCHRP 03-59	Assessment of Variable Speed Limit Implementation Issues	Completed
NCHRP 03-60	Capacity and Quality of Service of Interchange Ramp Terminals	Completed	Results incorporated into the HCM
NCHRP 03-60A	Validation and Enhancement of the Highway Capacity Manual�s Interchange Ramp Terminal Methodology	Active
NCHRP 03-61	Communicating Changes in Horizontal Alignment	Completed
NCHRP 03-62	Guidelines for Accessible Pedestrian Signals	Active
NCHRP 03-63	Assessment of Sharing Information Between Public Safety and Transportation Agencies for Traffic-Incident Management	Completed
NCHRP 03-64	Highway Capacity Manual Applications Guide	Completed
NCHRP 03-65	Applying Roundabouts in the United States	Active
NCHRP 03-65A	Update of 'Roundabouts: An Informational Guide'	Active
NCHRP 03-66	Traffic Signal State Transition Logic Using Enhanced Sensor Information	Active
NCHRP 03-67	Expert System for Recommending Speed Limits in Speed Zones	Completed
NCHRP 03-68	Guide to Effective Freeway Performance Measurement	Completed
NCHRP 03-69	Design of Construction Work Zones on High-Speed Highways	Completed
NCHRP 03-70	Multimodal Level of Service Analysis For Urban Streets	Active
NCHRP 03-71	Innovative Pedestrian Treatments at Unsignalized Crossings	Completed
NCHRP 03-72	Lane Widths, Channelized Right Turns, and Right-Turn Deceleration Lanes in Urban and Suburban Areas	Active
NCHRP 03-73	Separation of Vehicles - CMV Only Lanes	Active
NCHRP 03-74	Guidelines for Selection of Speed Reduction Treatments at High-Speed Intersections	Completed
NCHRP 03-75	Analysis of Freeway Weaving Sections	Completed
NCHRP 03-76A	Highway Traffic Signal Warrant For Intersections Near Highway-Rail Grade Crossings	Completed	Results incorporated into the MUTCD
NCHRP 03-76B	Low-Cost Active Warning Systems for Highway-Rail Grade Crossings	Active
NCHRP 03-77	Guide to Contracting Intelligent Transportation System Projects	Final
NCHRP 03-78	Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities	Completed
NCHRP 03-78A	Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities	Active
NCHRP 03-79	Measuring and Predicting the Performance of Automobile Traffic on Urban Streets	Active
NCHRP 03-79A	Arterial Performance Measures	Active
NCHRP 03-80	Traffic Enforcement Strategies for Work Zones	Active
NCHRP 03-81	Strategies for Integrated Operation of Freeway and Arterial Corridors	Active
NCHRP 03-82	Default Values for Capacity and Quality of Service Analyses	Completed	Published as NCHRP Report 599
NCHRP 03-83	Low-Cost Improvements for Recurring Freeway Bottlenecks	Active
NCHRP 03-84	Guide for Multistate Transportation Operations Programs	Completed	Report delivered to AASHTO for publication.
NCHRP 03-85	Guidance for the Use of Alternative Traffic Analysis Tools in Highway Capacity Analyses	Active
NCHRP 03-86	Traffic Operations Management and Planning Process	Anticipated
NCHRP 03-87	Proactive Ramp Management Under the Threat of Freeway-Flow Breakdown	Active
NCHRP 03-88	Guidelines for Ramp and Interchange Spacing	Active	Work has been initiated. The interim report is expected in January 2009.
NCHRP 03-89	Design Guidance for Channelized Right-Turn Lanes	Active
NCHRP 03-90	Operation of Traffic Signal Systems in Oversaturated Conditions	Active
NCHRP 03-91	Left-Turn Accommodations at Unsignalized Intersections	Active
NCHRP 03-92	Production of the Year 2010 Highway Capacity Manual	Active
NCHRP 03-93	Automated Enforcement for Speeding and Red Light Running	Active	STATUS - The contractor is conducting a survey to study current and past programs.
NCHRP 03-94	Transportation Systems Operations and Management Guide	Active	Contract is just underway
NCHRP 03-95	Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections	Pending
NCHRP 03-96	Analysis of Managed Lanes on Freeway Facilities	Active	The project is just underway.
NCHRP 03-97	Traffic Signal Analysis with Varying Demands and Capacities	Active
NCHRP 03-98	Guidelines on the Use of Auxiliary Through Lanes at Signalized Intersections	Active	Research in Progress
NCHRP 03-99	Development and Application of Access Management Guidelines	Pending	Contractor has been selected; contract is expected to be executed in Spring 2009
NCHRP 04-15	Corrosion Protection of Prestressing Systems in Concrete Bridges	Completed
NCHRP 04-16	Cost and Service Life of Pavement Markings	Completed
NCHRP 04-18	Design and Evaluation of Large Stone Mixtures	Completed
NCHRP 04-19	Aggregate Tests Related to Asphalt Concrete Performance in Pavements	Completed
NCHRP 04-19(2)	Validation of Performance-Related Tests of Aggregates for Use in Hot-Mix Asphalt Pavements	Completed
NCHRP 04-20	Aggregate Tests Related to Performance of Portland Cement Concrete	Completed
NCHRP 04-20A	State of the Art Report and Plan for Research on Aggregates Tests Related to Performance of Portland Cement Concrete Pavements	Completed
NCHRP 04-20B	Aggregate Tests Related to Performance of Portland Cement Concrete Pavements	Completed
NCHRP 04-20C	Aggregate Tests Related to Performance of Portland Cement Concrete Pavements: State of the Knowledge	Completed
NCHRP 04-21	Appropriate Use of Waste and Recycled Materials in the Transportation Industry	Completed
NCHRP 04-22	Pavement-Marking Materials: Health, Environmental, and Performance Assessment	Completed
NCHRP 04-23	Performance-Related Tests of Aggregates for Use in Unbound Pavement Layers	Completed
NCHRP 04-24	HDPE Pipe Material Specifications and Design Requirements	Completed
NCHRP 04-25	Implementation Plan for Automating Highway-Materials Testing	Completed
NCHRP 04-26	Thermoplastic Drainage Pipe, Design and Testing	Completed	The project final report is available as NCHRP Report 631.
NCHRP 04-27	Application of Fiber Reinforced Polymer (FRP) Composites to the Highway Infrastructure: Strategic Plan	Completed
NCHRP 04-28	Feasibility Study for an All-White Pavement Marking System	Completed
NCHRP 04-29	Selection of Materials to Optimize Sign Performance	Completed
NCHRP 04-30	Test Methods for Characterizing Aggregate Shape, Texture, and Angularity	Completed
NCHRP 04-30A	Test Methods for Characterizing Aggregate Shape, Texture, and Angularity	Completed
NCHRP 04-31	Tests of Recycled Aggregates for Use in Unbound Pavement Layers	Completed
NCHRP 04-32	Performance and Quality Control of Corrugated Pipe Manufactured with Recycled Polyethylene Content	Active	Awaiting the preliminary draft final report.
NCHRP 04-33	Procedures for Testing and Evaluating Detectable Warning Systems	Active
NCHRP 04-34	Application of LADAR in the Analysis of Aggregate Characteristics	Active	Work in progress.
NCHRP 04-35	Improved Test Methods for Specific Gravity and Absorption of Coarse and Fine Aggregate	Active	Work in progress on Phase II. The Phase I interim report is available for loan on request to NCHRP.
NCHRP 04-36	Characterization of Cementitiously Stabilized Layers for Use in Pavement Design and Analysis	Active
NCHRP 04-37	Long-Term Performance of Epoxy Adhesive Anchor Systems	Pending
NCHRP 04-38	Recommended Laboratory Test for Predicting the Initial Retroreflectivity of Pavement Markings from Glass Bead Quality	Active
NCHRP 05-10	A Mobile System for Measuring Retroreflectance of Traffic Signs	Completed
NCHRP 05-11	Implementation Strategies for Sign Retroreflectivity Standards	Completed
NCHRP 05-12	Requirements for Application of Light Emitting Diodes (LEDs) to Traffic Control Signals	Completed
NCHRP 05-13	Illumination Guidelines for Nighttime Highway Work	Completed
NCHRP 05-13(2)	Illumination Guidelines for Nighttime Highway Work	Completed
NCHRP 05-14	Advance Warning Arrow Panel Visibility	Completed
NCHRP 05-15	Visibility Performance Requirements for Vehicular Traffic Signals	Completed
NCHRP 05-16	National Calibration Standards for Measuring Retroreflectivity	Completed
NCHRP 05-17	Safety Evaluation of Permanent Raised Pavement Markers	Completed
NCHRP 05-18	Color Effectiveness of Yellow Pavement Marking Materials	Completed
NCHRP 05-19	Guidelines for Roadway Lighting Based on Safety Benefits and Costs	Active	The draft final report is expected in February 2009.
NCHRP 06-12	Improved Visibility for Snow Plowing Operations	Completed
NCHRP 06-13	Guidelines for Snow and Ice Control Materials and Methods	Completed
NCHRP 06-14	Feasibility of Using Friction Indicators to Improve Winter Maintenance Operations and Mobility	Completed
NCHRP 06-15	Testing and Calibration Methods for RWIS Sensors	Completed
NCHRP 06-16	Guidelines for the Selection of Snow and Ice Control Materials To Mitigate Environmental Impacts	Completed
NCHRP 06-17	Performance Measures for Snow and Ice Control Operations	Completed
NCHRP 07-12	Microcomputer Evaluation of Highway User Benefits	Completed
NCHRP 07-12(2)	Metrication and Enhancement of MicroBENCOST Software Package	Completed
NCHRP 07-13	Quantifying Congestion	Completed
NCHRP 07-14	Guidelines for Analysis of Investments in Bicycle Facilities	Completed
NCHRP 07-15	Cost-Effective Measures and Planning Procedures for Travel Time, Delay, and Reliability	Final
NCHRP 07-16	Recommended Revisions to the AASHTO Guidelines for Traffic Data Programs	Final
NCHRP 08-24A	Forecasting the Basic Inputs to Transportation Planning at the Zonal Level	Completed
NCHRP 08-28	Strategic Planning and Management for Transportation Agencies	Completed
NCHRP 08-29	Travel Estimation Techniques for Urban Planning	Completed
NCHRP 08-29(2)	Travel Estimation Techniques for Urban Planning	Completed
NCHRP 08-30	Characteristics and Changes in Freight Transportation Demand	Completed
NCHRP 08-30A	Freight Capacity for the Next Century	Completed
NCHRP 08-31A	Long-Term Availability of Multimodal Corridor Capacity	Completed
NCHRP 08-32	Workshop on Multimodal Transportation Planning Research Needs	Completed
NCHRP 08-32(1)	Innovative Practices for Multimodal Transportation Planning for Freight and Passengers	Completed
NCHRP 08-32(2)	Multimodal Transportation: Development of a Performance-Based Planning Process	Completed
NCHRP 08-32(2)A	Multimodal Transportation: Development of a Performance-Based Planning Process	Completed
NCHRP 08-32(3)	Integration of Land-Use Planning with Multimodal Transportation Planning	Completed
NCHRP 08-32(4)	Developing and Maintaining Partnerships for Multimodal Transportation Planning	Completed
NCHRP 08-32(5)	Multimodal Transportation Planning Data	Completed
NCHRP 08-33	Quantifying Air-Quality and Other Benefits and Costs of Transportation Control Measures	Completed
NCHRP 08-34	Major Investment Studies: Development of a Practitioner's Guidebook for Effective Study Design, Management, and Implementation	Completed
NCHRP 08-35	Incorporating ITS into the Transportation Planning Process	Active
NCHRP 08-36	Research for the AASHTO Standing Committee on Planning	Active
NCHRP 08-36/Task 01	Parking Modeling Procedures	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 02	Incorporating System Operations and Management Practices in Transportation Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 03	Management of Institutional Changes in State Transportation Planning Processes and Programs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 04	The Use of Expert Panels in Analyzing Transportation and Land Use Alternatives	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 05	Incorporating Market Research Techniques into the Transportation Planning Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 06	Product Delivery of New and Improved Travel Forecasting Procedures	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 07	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 07(02)	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 08	Workshop on Transportation Performance Measures	Completed	Completed---Published as TRB Conference Proceedings 26
NCHRP 08-36/Task 09	Defining and Identifying Probable Non-Attainment Areas for PM2.5	Completed	Completed---Final report sent to AASHTO; see Project 25-17
NCHRP 08-36/Task 10	Global Climate Change and Transportation: Coming to Terms	Completed	Completed---Final report published by Eno Foundation and sent to AASHTO
NCHRP 08-36/Task 11	Technical Methods to Support Analysis of Environmental-Justice Issues	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 12A	Analysis of the Factors Affecting Future Transportation Environment and their Implications for State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 12B	Analysis of the Factors Affecting Future Transportation Environment and their Implications for State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 13	National Conference on Transportation and Economic Development	Completed	Completed---Published as TRB Circular E-C050
NCHRP 08-36/Task 14	Consultation Between State DOTs and Local Elected Officials in Non-Metropolitan Areas	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 15	Conference on Transportation and the Environment for the 21st Century	Completed	Completed---Published as TRB Circular E-C028
NCHRP 08-36/Task 16	Assessment of Proposed Planning and National Environmental Policy Act Regulations	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 17	Two-Way Education Process with a New CEO on Transportation Planning	Completed	Task cancelled
NCHRP 08-36/Task 18	Incorporating Safety into the Transportation Planning Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 19	Transportation Environmental Research Needs Conference	Completed	Completed---Published as TRB Conference Proceedings 28
NCHRP 08-36/Task 20	Conformity Problems Caused by the Mismatch in SIP / Transportation Plan Timeframe	Completed	Completed---Final report sent to AASHTO; $25K from Project 20-7/Task 141
NCHRP 08-36/Task 21	Expediting the Transportation Planning Process to Meet Fast Paced Customer Requirements	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 22	Demonstrating the Positive Impacts of Transportation Investments on Economic, Social, Environmental, Community, and Quality of Life Issues	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 23	Review of the Potential Feasibility of Using Alternative Revenue Sources to Fund Future State Transportation Needs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 24	Investment Requirements Scenarios Development	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 25	Improved Geographic Clarity in Reporting of Road System Extent	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 26	Surface Transportation Safety and Investment	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 27	Interstate Interchange Review	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 28	Rural Conformity: A Survey of Practice	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 29	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning: Application of the Framework	Completed	Contracted as 08-36/Task 07(02); continuation of Project 08-36/Task 07
NCHRP 08-36/Task 30	Workshop on Issues in Intermodal Connectors	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 31	Elderly Issues in the Transportation Planning Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 32	Tools, Techniques, and Methods in Rural Transportation Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 33	Best Practices in Statewide Freight Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 34	Incorporating Security into the Transportation Planning Process	Completed	Completed---Published as NCHRP Report 525, Volume 3
NCHRP 08-36/Task 35	Evaluating State DOT's Planning Practices in Rural Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 36	Continuation of NCHRP 8-36(6) TMIP Support	Active	For contract purposes, this has been amended into the work plan of NCHRP Project 8-36, Task 6 and progress will be reported under that task.
NCHRP 08-36/Task 37	A Retrospective on the Conditions and Performance Report	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 38	Supplemental Evaluation in Support of NCHRP 25-17	Completed	Completed---Results incorporated into NCHRP 25-17 final report
NCHRP 08-36/Task 39	Forecasting Travel Time, Delay, and Reliability	Completed	Completed: For contract purposes, this task has been amended into NCHRP Project 7-15 and will be reported there.
NCHRP 08-36/Task 40	National Site Visits on Transportation and Growth	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 41	Non-Response to Personal Travel Surveys (support for NCHRP 8-37)	Completed	Completed---Results incorporated into NCHRP 08-37 final report
NCHRP 08-36/Task 42	MPO Redefinition and Evolving Roles	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 43	Return on Investment on Freight Rail Capacity Improvement	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 44	Multi-State MPOs: Approaches, Cases, and Institutional Arrangements	Final	Final: Report sent to AASHTO
NCHRP 08-36/Task 45	Multi-State Corridor Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 46	Synthesis of Where Data Groups are Organizationally Located in State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 47	Effective Organization of Performance Measurement	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 48	Guidance for Better Linking Systems Planning and the NEPA Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 49	Synthesis of Metropilitan-Level Transportation Funding Sources	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 50	What is the Impact of an Aging Population on System Planning and Investment Policies?	Completed	Completed---Final report has been received
NCHRP 08-36/Task 51	Information Design for Effective Decision Making and Communication	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 52	Changes in Travel Behavior/Demand Due to Managed Lanes (HOV, HOT) Facility System Expansion	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 53	Peer Review Capacity Building Partnership: Best Practices in Non-Traditional Performance Measures, Multimodal Goods Movement Tradeoffs, Safety, Reliability, and State Funding	Completed	Completed---Final reports sent to AASHTO
NCHRP 08-36/Task 54	Census Data For Transportation Planning	Completed	Completed---Papers posted to TRB Conference website and will be published in Conference Proceedings 12/30/2006
NCHRP 08-36/Task 55	The Role of Collaboration in Freight Transportation Management	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 56	Highway Construction Project Coordination to Minimize Traffic Impacts	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 57	Institutional Needs in Safety Planning	Final	Completed
NCHRP 08-36/Task 58	Best Practices for State and MPO NHS and STP Programming	Final
NCHRP 08-36/Task 59	Transportation and Health	Completed	Completed
NCHRP 08-36/Task 60	State DOT Consideration of Infrastructure Development Potential Planning	Completed	Completed
NCHRP 08-36/Task 61	Monetary Valuation Per Dollar of Investment in Different Performance Measures	Completed	Completed
NCHRP 08-36/Task 62	Best Practice Methodology for Calculating Return on Investment (ROI) for Transportation Programs and Projects	Completed	Completed - Final Report sent to AASHTO
NCHRP 08-36/Task 63	Making NAICS (North American Industrial Classification System) Work for Transportation	Completed	Completed
NCHRP 08-36/Task 64	Right of Way Methods and Tools to Control Project Cost Escalation	Completed	Completed--project canceled and funds combined with NCHRP Project 08-49, Procedures for Cost Estimation and Management for Highway Projects During Planning, Programming, and Reconstruction
NCHRP 08-36/Task 65	Best Practices for Incorporating Commodity Flow Survey and Related Data into the MPO and Statewide Planning Processes	Active	Research in progress
NCHRP 08-36/Task 66	Improved Methods for Assessing Social, Cultural, and economic Effects of Transportation Projects	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 67	Best Practices in Using Programmatic Investment Strategies in Statewide Transportation Plans	Final	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 68	Implications of New 8-Hour Control Strategy Development on Transportation Programs, Policies, and Projects	Completed	Completed
NCHRP 08-36/Task 69	Peer Review Sessions to be amended into NCHRP 8-36(53)	Final	Completed; Reports sent to AASHTO
NCHRP 08-36/Task 70	Scoping Study for Statewide Travel Forecasting National Model	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 71	Disclosure Avoidance Techniques to Improve ACS Data Availability	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 72	Implementing Project Cost Estimation and Management Process Improvements	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 73	Adding Resilience to the Freight System in Statewide and Metropolitan Transportation Plans: Developing a Conceptual Approach	Active	Reserach in progress
NCHRP 08-36/Task 74	Customer Research Practices and Applications in Transportation	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 75	Research Finders	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 76	Conference on Best Practices in Meeting SAFETEA-LU Requirements in the Statewide Transportation Planning Process	Final	Completed.
NCHRP 08-36/Task 78	Small Community Research and Peer Exchange	Active	Research in progress, Preliminary Draft Final Report received.
NCHRP 08-36/Task 79	Scoping Study for a Freight Data Exchange Network	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 80	Synthesis of State Practices in Developing Linear Referencing Systems	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 81	Enhancing the American Community Survey Data as a Source for Home-to-Work Flows	Active	Research in Progress, Preliminary Draft Final report received.
NCHRP 08-36/Task 83	Transportation Planning Partnerships to Enhance National Parks and Gateway Communities	Pending
NCHRP 08-36/Task 84	Asset Management of Environmental Mitigation Features	Pending
NCHRP 08-36/Task 85	Congestion Pricing and Investment Requirements	Final	This project is complete and the final report has been sent to AASHTO.
NCHRP 08-36/Task 86	Corridor Approaches to Integrating Land Transportation and Land Use	Pending
NCHRP 08-36/Task 90	Best Practices in the Use of Microsimulation Models	Active	Research in progress
NCHRP 08-36/Task 91	Validation and Sensitivity Considerations for Statewide Models	Active	Research in progress
NCHRP 08-36/Task 93	Road Pricing Communication Practices	Active	Research in progress
NCHRP 08-36B	Research for the AASHTO Standing Committee on Planning	Pending
NCHRP 08-37	Standardized Procedures for Personal Travel Surveys	Completed
NCHRP 08-38	Consideration of Environmental Factors in Transportation Systems Planning	Completed
NCHRP 08-39	Financing and Improving Land Access to U.S. Cargo Hubs	Completed
NCHRP 08-40	Evaluating Cultural Resource Significance Using Information Technology (IT)	Completed
NCHRP 08-40(02)	Evaluating Cultural Resource Significance-Implementation Tools	Completed
NCHRP 08-41	Effective Methods for Environmental Justice Assessment	Completed
NCHRP 08-42	Rail-Freight Solutions to Roadway Congestion	Final
NCHRP 08-43	Methods for Forecasting Statewide Freight Movements and Related Performance Measures	Final
NCHRP 08-44	Incorporating Safety into Long-Range Transportation Planning	Completed
NCHRP 08-44(02)	Transportation Safety Planning: Forecasting the Safety Impacts of Socio-Demographic Changes and Safety Investments	Active
NCHRP 08-45	A New Vision of Mobility: Guidance to Foster Collaborative Multimodal Decision Making	Completed
NCHRP 08-46	A Guide for Including Access Management in Transportation Plans	Completed
NCHRP 08-47	Guidebook for Freight Policy, Planning, and Programming in Small and Mid-Sized Metropolitan Areas	Active
NCHRP 08-48	Using American Community Survey Data for Transportation Planning	Completed
NCHRP 08-49	Procedures for Cost Estimation and Management for Highway Projects During Planning, Programming, and Preconstruction	Completed
NCHRP 08-49(02)	Right of Way Methods and Tools to Control Project Cost Escalation	Active
NCHRP 08-50	Factors that Support the Planning-Programming Linkage	Active
NCHRP 08-51	Enhancing Internal Trip Capture Estimation for Mixed-Use Developments	Active
NCHRP 08-52	Best Practices to Enhance the Transportation/Land-Use Connection in Rural America	Completed
NCHRP 08-53	Integrating Freight into Transportation Planning and Project-Selection Processes	Final	Published as NCHRP Report 594
NCHRP 08-54	Identification of Liability-Related Impediments to Sharing 409 Safety Data Among Transportation Agencies, and Synthesis of Best Practices	Final
NCHRP 08-55	Integrating Geo-Spatial Technologies into the Right-of-Way Data-Management Process	Completed
NCHRP 08-55A	Developing a Logical Model for a Geo-Spatial Right-Of-Way Land Management System	Active	Work in progress on Phase II.
NCHRP 08-56	Truck Noise-Source Mapping	Active	The preliminary draft final report has been received and is under review.
NCHRP 08-57	Improved Framework and Tools for Highway Pricing Decisions	Active
NCHRP 08-58	Development of a Multimodal Statewide Corridor Planning Guidebook	Active
NCHRP 08-59	Transportation Cost Implications of New Development	Active	The interim report has been accepted and the preliminary draft final report is expected in May 2009.
NCHRP 08-60	Guidebook on Risk Analysis Tools and Management Practices to Control Transportation Project Cost	Active
NCHRP 08-61	Travel Demand Forecasting: Parameters and Techniques	Active	Research in Progress - Interim Report received.
NCHRP 08-62	Transportation Performance Management Programs--Insight from Practitioners	Active
NCHRP 08-63	Review of Canadian Experience with Large Commercial Motor Vehicles	Active	The preliminary draft final report has been received and is under review.
NCHRP 08-64	A Guidebook on Improved Principles, Processes, and Methods for Shared-Use Passenger and Freight Rail Corridors	Active
NCHRP 08-65	Guidebook for Successful Communication, Cooperation, and Coordination Strategies Between Transportation Agencies and Tribal Communities	Active	Initial tasks are underway. An interim report is expected in May 2009.
NCHRP 08-66	Trip-Generation Rates for Transportation Impact Analyses of Infill Developments	Active
NCHRP 08-67	Integrating Individual Transportation System-Level Performance Programs to Determine Network Performance	Active
NCHRP 08-68	Citizen�s Guide and Discipline-Specific Professionals� Guide for Context-Sensitive Solutions in Transportation	Active
NCHRP 08-69	Supplement to the AASHTO Transportation Asset Management Guide: Volume 2 - A Focus on Implementation	Active	Research in Progress - Interim report presented
NCHRP 08-70	Target-Setting Methods and Data Management To Support Performance-Based Resource Allocation by Transportation Agencies	Active
NCHRP 08-71	Methodology for Estimating Life Expectancies of Highway Assets	Active
NCHRP 08-72	Practical Approaches for Involving Traditionally Underserved Populations in Transportation Decisionmaking	Pending
NCHRP 08-73	Road Pricing, Public Perceptions and Program Development	Active	Research in Progress
NCHRP 08-74	Sustainability Performance Measures for State Departments of Transportation and Other Transportation Agencies	Pending
NCHRP 08-75	Guidelines for Evaluation and Performance Measurement of Congestion Pricing Projects	Active	Work is underway on the initial tasks.
NCHRP 08-76	Institutionalizing Safety in Transportation Planning Processes: Techniques, Tactics and Strategies	Pending
NCHRP 08-77	Developing Regional Historic Contexts for Post-World War II Housing	Anticipated
NCHRP 08-78	Develop Bicycle/Pedestrian Demand Model to Measure Bicycle/Pedestrian Activity and Relationship to Land Use	Anticipated
NCHRP 08-79	Identifying Credible Alternatives for Producing 5-year CTPP Data Products from the ACS	Anticipated
NCHRP 09-06(01)	Asphalt-Aggregate Mixture Analysis System (AAMAS)	Completed
NCHRP 09-07	Field Procedures and Equipment to Implement SHRP Asphalt Specifications	Completed
NCHRP 09-08	Designing Stone Matrix Asphalt Mixtures	Completed
NCHRP 09-09	Refinement of the Superpave Gyratory Compaction Procedure	Completed
NCHRP 09-09(1)	Verification of Gyration Levels in the Ndesign Table	Completed
NCHRP 09-10	Superpave Protocols for Modified Asphalt Binders	Completed
NCHRP 09-11	Segregation in Hot-Mix Asphalt Pavements	Completed
NCHRP 09-12	Incorporation of Reclaimed Asphalt Pavement in the Superpave System	Completed
NCHRP 09-13	Evaluation of Water Sensitivity Tests	Completed
NCHRP 09-14	Investigation of the Restricted Zone in the Superpave Aggregate Gradation Specification	Completed
NCHRP 09-15	Quality Characteristics and Test Methods for Use in Performance-Related Specifications of Hot-Mix Asphalt Pavements	Completed
NCHRP 09-16	Relationship Between Superpave Gyratory Compaction Properties and Permanent Deformation of Pavements in Service	Completed
NCHRP 09-17	Accelerated Laboratory Rutting Tests: Asphalt Pavement Analyzer	Completed
NCHRP 09-18	Field Shear Test for Hot Mix Asphalt	Completed
NCHRP 09-19	Superpave Support and Performance Models Management	Completed
NCHRP 09-20	Performance-Related Specifications for Hot-Mix Asphalt Construction	Completed
NCHRP 09-21	Advisory Structure for Superpave Implementation and Related Research	Completed
NCHRP 09-22	Beta Testing and Validation of HMA PRS	Active	The preliminary draft final report is in preparation.
NCHRP 09-23	Environmental Effects in Pavement Mix and Structural Design Systems	Completed
NCHRP 09-25	Requirements for Voids in Mineral Aggregate for Superpave Mixtures	Completed
NCHRP 09-26	Precision Statements for AASHTO T312 and other Laboratory Test Methods	Completed
NCHRP 09-26A	Data Mining and Interlaboratory Studies to Prepare Precision Statements for AASHTO Standard Test Methods	Active	This is a continuing project that responds to requests from the AASHTO Highway Subcommittee on Materials.
NCHRP 09-27	Relationships of HMA In-Place Air Voids, Lift Thickness, and Permeability	Completed
NCHRP 09-29	Simple Performance Tester for Superpave Mix Design	Active	Work in progress on Phase VI. The final report for Phase V will be published as NCHRP Report 629 in early 2009.
NCHRP 09-30	Experimental Plan for Calibration and Validation of HMA Performance Models for Mix and Structural Design	Completed
NCHRP 09-30A	Calibration of Rutting Models for HMA Structural and Mix Design	Active	Work in progress.
NCHRP 09-31	Air Void Requirements for Superpave Mix Design	Completed
NCHRP 09-33	A Mix Design Manual for Hot Mix Asphalt	Active	A pilot training course was presented on 27 February 2009.
NCHRP 09-34	Improved Conditioning Procedure for Predicting the Moisture Susceptibility of HMA Pavements	Completed
NCHRP 09-35	Aggregate Properties and Their Relationship to the Performance of Superpave-Designed HMA: A Critical Review	Completed
NCHRP 09-36	Improved Procedure for Laboratory Aging of Asphalt Binders in Pavements	Active	Awaiting revised final report.
NCHRP 09-37	Using Surface Energy Measurements To Select Materials for Asphalt Pavements	Completed
NCHRP 09-38	Endurance Limit of Hot Mix Asphalt Mixtures to Prevent Fatigue Cracking in Flexible Pavements	Active	Awaiting the revised final report.
NCHRP 09-39	Procedure for Determining Mixing and Compaction Temperatures of Asphalt Binders in Hot Mix Asphalt	Active	The project panel is reviewing the preliminary draft final report.
NCHRP 09-40	Optimization of Tack Coat for HMA Placement	Active	Work in progress on Phase II.
NCHRP 09-41	Performance and Maintenance of Permeable Friction Courses	Completed	The project final report will be published as an NCHRP Report in mid-2009.
NCHRP 09-42	History of Superpave: Documenting the Research Program and Implementation Process	Active	Awaiting the preliminary draft final report.
NCHRP 09-43	Mix Design Practices for Warm Mix Asphalt	Active	Work is in progress on Phase II. The Phase I interim report is available for loan on request to NCHRP.
NCHRP 09-44	Developing a Plan for Validating an Endurance Limit for HMA Pavements	Completed
NCHRP 09-44A	Validating an Endurance Limit for HMA Pavements: Laboratory Experiment and Algorithm Development	Pending
NCHRP 09-45	Test Methods and Specification Criteria for Mineral Filler Used in HMA	Active	Work in progress on Phase II.
NCHRP 09-46	Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content	Active	Work in progress on Phase II.
NCHRP 09-47	Engineering Properties, Emissions, and Field Performance of Warm Mix Asphalt Technologies	Completed	Phase II of this project will be accomplished as NCHRP Project 9-47A.
NCHRP 09-47A	Properties and Performance of Warm Mix Asphalt Technologies (Re-advertisement of NCHRP Project 9-47)	Pending
NCHRP 09-48	Field versus Laboratory Volumetrics and Mechanical Properties	Active
NCHRP 09-49	Long Term Field Performance of Warm Mix Asphalt Technologies	Anticipated
NCHRP 10-13	Ultrasonic Measurement of Weld Flaw Size	Completed
NCHRP 10-17	Use of Antistripping Additives in Asphaltic Concrete Mixtures	Completed
NCHRP 10-20	Elastomeric Bearings Design, Construction, and Materials	Completed
NCHRP 10-20A	High-Load, Multi-Rotational Bridge Bearings: Design, Materials, and Construction	Completed
NCHRP 10-22	The Performance of Weathering Steel in Bridges	Completed
NCHRP 10-25A	Instantaneous Determination of Water-Cement Ratio in Fresh Concrete	Completed
NCHRP 10-26	Performance-Related Specifications for Hot-Mix Asphaltic Concrete	Completed
NCHRP 10-27	Determination of Asphaltic Concrete Pavement Structural Properties by Nondestructive Testing	Completed
NCHRP 10-29	Anchorage Zone Reinforcement for Post-Tensioned Concrete Girders	Completed
NCHRP 10-30(3)	Nondestructive Methods for Field Inspection of Embedded or Encased High Strength Steel Rods and Cables	Completed
NCHRP 10-31	Acceptance Criteria for Steel Bridge Welds	Completed
NCHRP 10-32A	Durability Testing of High-Strength Concrete Containing High-Range Water-Reducing Admixtures	Completed
NCHRP 10-33	Potential Benefits of Geosynthetics in Flexible Pavement Systems	Completed
NCHRP 10-34	Transient Protection, Grounding, and Shielding of Electronic Traffic Control Equipment	Completed
NCHRP 10-35	Fatigue Behavior of Welded and Mechanical Splices in Reinforcing Steel	Completed
NCHRP 10-36	Evaluation of Weldments Incorporating Backing Materials	Completed
NCHRP 10-37	Performance of Epoxy-Coated Reinforcing Steel in Highway Bridges	Completed
NCHRP 10-37A	Performance of Epoxy-Coated Reinforcing Steel--Laboratory Testing	Completed
NCHRP 10-37B	A Protocol for the Evaluation of Existing Bridges Containing Epoxy-Coated Reinforcing Steel	Completed
NCHRP 10-37C	Repair and Rehabilitation of Bridge Components Containing Epoxy-Coated Reinforcement	Completed
NCHRP 10-38	Fatigue-Resistant Design of Cantilevered Signal, Sign, and Light Supports	Completed
NCHRP 10-38(2)	Fatigue-Resistant Design of Cantilevered Signal, Sign, and Light Supports	Completed
NCHRP 10-39	Construction Testing and Inspection Levels	Completed
NCHRP 10-39A	Testing and Inspection Levels for Hot-Mix Asphaltic Concrete Overlays	Completed
NCHRP 10-40	Plasma Arc Cutting of Bridge Steels	Completed
NCHRP 10-41	Evaluation of Unbonded Portland Cement Concrete Overlays	Completed
NCHRP 10-42	Constructibility Review Process for Transportation Facilities	Completed
NCHRP 10-43	Movable Bridge Inspection, Evaluation, and Maintenance	Completed
NCHRP 10-44	Nondestructive Testing to Determine Insitu Material Properties of Pavement Layers	Completed
NCHRP 10-44A	Determination of Insitu Material Properties of Asphalt Concrete Pavement Layers	Completed
NCHRP 10-45	Procedures for Evaluating Corrosion-Inhibiting Admixtures for Structural Concrete	Completed
NCHRP 10-46	Corrosion of Steel Piling in Nonmarine Applications	Completed
NCHRP 10-47	Guidelines for Longitudinal Pavement Profile Measurement	Completed
NCHRP 10-48	Assessing Pavement Layer Condition Using Deflection Data	Completed
NCHRP 10-49	Improved Contracting Methods for Highway Construction Projects	Completed
NCHRP 10-50	Strategies for Rehabilitating Rigid Pavements Subjected to High-Traffic Volumes	Completed
NCHRP 10-50A	Guidelines for Selecting Strategies for Rehabilitating Rigid Pavements Subjected to High-Traffic Volumes	Completed
NCHRP 10-51	Performance-Related Specifications for Elastomeric Bridge Bearings	Completed
NCHRP 10-52	Performance Tests for Modular Bridge Joints	Completed
NCHRP 10-53	Condition Evaluation of Prestressed Steel Strands in Concrete Bridges	Completed
NCHRP 10-54	Quality-Based Performance Rating of Contractors for Prequalification and Bidding Purposes	Completed
NCHRP 10-55	Fiber Reinforced Polymer Composites for Concrete Bridge Deck Reinforcement	Completed
NCHRP 10-56	Accelerated Pavement Testing: Data Guidelines	Completed
NCHRP 10-57	Structural Safety Evaluation Guidelines for Suspension Bridge Parallel-Wire Cables	Completed
NCHRP 10-58	Construction Engineering and Management Research Program	Completed
NCHRP 10-58(01)	Time-Related Incentive and Disincentive Provisions in Highway Construction Contracts	Active	STATUS - The PDFR is in the hands of the panel for review.
NCHRP 10-58(02)	Using Contractor-Performed Tests in Quality Assurance	Completed	NCHRP Research Results Digest 323: Using the Results of Contractor-Performed Tests in Quality Assurance
NCHRP 10-59A	Construction Specifications for Bonded Repair and Retrofit of Concrete Structures Using FRP Composites	Completed
NCHRP 10-60	Avoiding Delays in Constructing Highway Projects (CANCELED)	Completed
NCHRP 10-61	Best-Value Procurement Methods for Highway Construction Projects	Completed	NCHRP Report 561: Best-Value Procurement Methods for Highway Construction Projects
NCHRP 10-62	Acceptance Tests for Surface Characteristics of Steel Strands in Pre-Stressed Concrete	Completed	The project final report is available as NCHRP Report 621.
NCHRP 10-63	Heat-Straightening Repair of Damaged Steel Bridge Girders: Fatigue and Fracture Performance	Completed	The project final report is available as NCHRP Report 604.
NCHRP 10-64	Field Inspection of In-Service FRP Bridge Decks	Completed
NCHRP 10-65	Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction	Completed	The project final report is available as NCHRP Report 626, NDT Technology for Quality Assurance of HMA Pavement Construction.
NCHRP 10-66	Predicting In-Service Performance of Flexible Pavements from Accelerated Pavement Testing	Completed
NCHRP 10-67	Texturing of Concrete Pavements	Completed
NCHRP 10-68	Guidelines for the Use of Highway Pavement Warranties	Active	Status - PDFR is in the hands of the panel for review.
NCHRP 10-69	Guidelines for Dowel Alignment in Concrete Pavements	Completed
NCHRP 10-70	Cost-Effective Connection Details for Highway Sign, Luminaire, and Traffic Signal Structures	Active	PI requested 12-month contract extension without additional fund
NCHRP 10-71	Evaluation of CIP Reinforced Joints for Full-Depth Precast Concrete Bridge Decks	Active
NCHRP 10-72	Bridge Deck Design Criteria and Testing Procedures	Active
NCHRP 10-73	Guide Specification for the Design of Externally Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements	Active
NCHRP 10-74	Development of Fatigue Loading and Design Methodology for High-Mast Lighting Poles	Active
NCHRP 10-75	Guide for Pavement-Type Selection	Active
NCHRP 10-76	Methodologies for Evaluating Pavement Strategies and Barriers for Noise Mitigation	Active
NCHRP 10-77	Use of Automated Machine Guidance (AMG) within the Transportation Industry	Pending
NCHRP 10-78	Nighttime Construction Impacts on Safety, Quality, and Productivity	Pending
NCHRP 10-79	Guidelines for Quality-Related Pay Adjustment Factors for Pavements	Active
NCHRP 10-80	Conversion of the AASHTO 'Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals' to the Load and Resistance Factor Design (LRFD) Methodology	Anticipated
NCHRP 10-81	Evaluation of Fuel Usage Factors in Highway Construction	Anticipated
NCHRP 10-82	Performance Related Specifications (PRS) for Pavement Preservation Treatments	Anticipated
NCHRP 10-83	Alternative Quality Systems for Application in Highway Construction	Anticipated
NCHRP 11-07	National Data-Management System for Highway Tort Claims	Completed
NCHRP 12-15(5)	Fatigue Behavior of Variable Loaded Bridge Details Near the Fatigue Limit	Completed
NCHRP 12-23	Recommended Revisions to the AASHTO Manual for Maintenance Inspection of Bridges	Completed
NCHRP 12-26(2)	Distribution of Wheel Loads on Highway Bridges	Completed
NCHRP 12-27	Welded Repair of Cracks in Steel Bridge Members	Completed
NCHRP 12-28(01)	Load Capacity Evaluation of Existing Bridges	Completed
NCHRP 12-28(02)	Bridge Management Systems	Completed
NCHRP 12-28(02)A	Bridge Management Systems Software	Completed
NCHRP 12-28(02)B	Bridge Management Systems Software	Completed
NCHRP 12-28(02)C	Conversion of BRIDGIT Bridge Management Software to Windows	Completed
NCHRP 12-28(03)	Fatigue Evaluation Procedures for Steel Bridges	Completed
NCHRP 12-28(06)	Distortion-Induced Fatigue Cracking in Steel Bridges	Completed
NCHRP 12-28(07)	Guidelines for Evaluating Corrosion Effects in Existing Steel Bridges	Completed
NCHRP 12-28(10)	Guidelines for Determining Redundancy in Steel Bridges	Completed
NCHRP 12-28(11)	Development of Site-Specific Load Models for Bridge Rating	Completed
NCHRP 12-28(12)	Inelastic Rating Procedures for Steel Beam and Girder Bridges	Completed
NCHRP 12-28(13)	Nondestructive Load Testing for Bridge Evaluation and Rating	Completed
NCHRP 12-28(13)A	Bridge Rating Through Nondestructive Load Testing	Completed
NCHRP 12-29	Design of Simple-Span Precast Prestressed Bridge Girders Made Continuous	Completed
NCHRP 12-30	Fatigue of Cables in Cable-Stayed Bridges	Completed
NCHRP 12-31	Notch Toughness Variability in Bridge Steel Plates	Completed
NCHRP 12-33	Development of a Comprehensive Bridge Specification and Commentary	Completed
NCHRP 12-33A	Development of a Comprehensive Bridge Specification and Commentary---Timber Structures and Code Calibration	Completed
NCHRP 12-33B	Development of a Comprehensive Bridge Specification and Commentary---Concrete Structures	Completed
NCHRP 12-33C	Development of a Comprehensive Bridge Specification and Commentary---Soil-Structure Interaction Systems	Completed
NCHRP 12-34	Update of AASHTO Standard Specifications for Highway Bridges: Division II---Construction	Completed
NCHRP 12-35	Recommended Specifications for the Design of Foundations, Retaining Walls, and Substructures	Completed
NCHRP 12-36	Redundancy in Highway Bridge Superstructures	Completed
NCHRP 12-36(2)	Redundancy in Highway Bridge Superstructures: Phase 2	Completed
NCHRP 12-37	Transverse Cracking in Newly Constructed Bridge Decks	Completed
NCHRP 12-38	Improved Design Specifications for Horizontally Curved Steel Girder Highway Bridges	Completed
NCHRP 12-39	Design Specifications for Debris Forces on Highway Bridges	Completed
NCHRP 12-40	Fatigue Criteria for Modular Bridge Expansion Joints	Completed
NCHRP 12-41	Rapid Replacement of Bridge Decks	Completed
NCHRP 12-42	LRFD Bridge Design Specifications Support	Completed
NCHRP 12-43	Life-Cycle Cost Analysis for Bridges	Completed
NCHRP 12-44	Recommended Specifications for the Design of Movable Highway Bridges	Completed
NCHRP 12-45	Recommended Specifications for Large-Span Culverts	Completed
NCHRP 12-46	Manual for Condition Evaluation and Load Rating of Highway Bridges Using Load and Resistance Factor Philosophy	Completed
NCHRP 12-47	Redundancy in Highway Bridge Substructures	Completed
NCHRP 12-48	Design of Highway Bridges for Extreme Events	Completed
NCHRP 12-49	Comprehensive Specification for the Seismic Design of Bridges	Completed
NCHRP 12-50	Bridge Software-Validation Guidelines and Examples	Completed
NCHRP 12-51	Effect of Truck Weight on Bridge Network Costs	Completed
NCHRP 12-52	LRFD Specifications for Horizontally Curved Steel Girder Highway Bridges	Completed
NCHRP 12-53	Connection Between Simple-Span Precast Concrete Girders Made Continuous	Completed
NCHRP 12-54	Integral Connections of Steel Bridge Structures	Completed
NCHRP 12-55	Load and Resistance Factors for Earth Pressures on Bridge Substructures and Retaining Walls	Completed
NCHRP 12-55A	Load and Resistance Factors for Earth Pressures on Bridge Substructures and Retaining Walls	Completed
NCHRP 12-56	Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Shear Provisions	Completed
NCHRP 12-57	Extending Span Ranges of Precast, Prestressed Concrete Girders	Completed
NCHRP 12-58	Effective Slab Width for Composite Steel Bridge Members	Completed
NCHRP 12-59	Design and Construction of Geosynthetic-Reinforced Soil (GRS) Abutments for Bridge Support	Completed	NCHRP Report 556: Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments with a Flexible Facing
NCHRP 12-59(01)	Seismic Design of Geosynthetic-Reinforced Soil (GRS) Bridge Abutments with Flexible Facing	Active
NCHRP 12-60	Transfer, Development, and Splice Length for Strand/Reinforcement in High-Strength Concrete	Completed
NCHRP 12-61	Simplified Shear Design of Structural Concrete Members	Completed
NCHRP 12-62	Simplified Live-Load Distribution-Factor Equations	Completed
NCHRP 12-62A	Simplified Live Load Distribution-Factor Equations-Phase II	Completed
NCHRP 12-63	Legal Truck Loads and AASHTO Legal Loads for Posting	Completed
NCHRP 12-64	Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Flexure and Compression Provisions	Completed
NCHRP 12-65	Full-Depth, Precast-Concrete Bridge Deck Panel Systems	Completed
NCHRP 12-66	AASHTO LRFD Specifications for Serviceability in the Design of Bridge Foundations	Active	*The work described here was not completed; the contract has been terminated. Revision or the work plan and remedial action are pending.
NCHRP 12-67	Multiple-Objective Optimization for Bridge Management Systems	Completed
NCHRP 12-68	Improved Rotational Limits of Elastomeric Bearings	Completed
NCHRP 12-69	Design and Construction Guidelines for Long-Span Decked Precast, Prestressed Concrete Girder Bridges	Active
NCHRP 12-70	Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments	Final
NCHRP 12-71	Design Specifications and Commentary for Horizontally Curved Concrete Box-Girder Highway Bridges	Completed
NCHRP 12-72	Blast-Resistant Highway Bridges: Design and Detailing Guidelines	Active	Completed, publication decision pending
NCHRP 12-73	Design Guidelines for Durability of Bonded CFRP Repair/Strengthening of Concrete Beams	Completed
NCHRP 12-74	Development of Precast Bent Cap Systems for Seismic Regions(Posted 2/17/05)	Active
NCHRP 12-75	Design of FRP Systems for Strengthening Concrete Girders in Shear	Active
NCHRP 12-76	Protocols for Collecting and Using Traffic Data in Bridge Design	Completed	Web-Only Document
NCHRP 12-77	Structural Concrete Design with High-Strength Steel Reinforcement	Active
NCHRP 12-78	Evaluation of Load Rating by Load and Resistance Factor Rating	Active
NCHRP 12-79	Guidelines for Analytical Methods and Erection Engineering of Curved and Skewed Steel Deck-Girder Bridges	Active
NCHRP 12-80	LRFD Minimum Flexural Reinforcement Requirements	Active
NCHRP 12-81	Evaluation of Fatigue on the Serviceability of Highway Bridges	Active
NCHRP 12-82	Developing Reliability-Based Bridge Inspection Practices	Active	Research in progress
NCHRP 12-83	Calibration of LRFD Concrete Bridge Design Specifications for Serviceability	Active	Research in progress
NCHRP 12-84	Guidelines for the Load and Resistance Factor Design and Rating of Riveted, Bolted, and Welded Gusset-Plate Connections for Steel Bridges	Active
NCHRP 12-85	Roadway Bridges Fire Hazard Assessment	Anticipated
NCHRP 12-86	Bridge System Safety and Redundancy	Anticipated
NCHRP 13-02	Guidelines for Selection and Application of Warning Lights on Roadway-Operations Equipment	Completed
NCHRP 13-03	Decision Making for Outsourcing and Privatization of Vehicle and Equipment Fleet Maintenance	Active
NCHRP 14-07	Interactive Microcomputer Network for Innovative Maintenance Operations	Completed
NCHRP 14-08	Chip Seal Coats for High-Traffic-Volume Asphalt Concrete Pavements	Completed
NCHRP 14-08A	Chip Seal Coats for High-Traffic-Volume Asphalt Concrete Pavements	Completed
NCHRP 14-09(1)	Effective Maintenance Budget Strategies	Completed
NCHRP 14-09(2)	Incorporation of Maintenance Considerations in Highway Design	Completed
NCHRP 14-09(3)	Maintenance Contracting	Completed
NCHRP 14-09(4)	Role of Highway Maintenance in Integrated Management Systems	Completed
NCHRP 14-09(5)	Impacts of Environmental, Health, and Safety Regulations on Highway Maintenance	Completed
NCHRP 14-09(6)	Professional Development of Maintenance Engineers and Managers	Completed
NCHRP 14-10	Improvements in Data Acquisition Technology for Maintenance Management Systems	Completed
NCHRP 14-11	Effective Motivation of Highway Maintenance Personnel	Completed
NCHRP 14-11(2)	Enhancement to Program for Effective Motivation of Highway Maintenance Personnel	Completed
NCHRP 14-12	Highway Maintenance Quality Assurance	Completed
NCHRP 14-13	Customer-Driven Benchmarking for Highway Maintenance Activities	Completed
NCHRP 14-14	Guide for Optimal Timing of Pavement Preventive Maintenance Treatment Applications	Completed
NCHRP 14-15	Developing a National Database System for Maintenance Actions on Highway Bridges	Active
NCHRP 14-16	Guidelines for Vegetation Management	Active	The preliminary draft final report has been received and is under review.
NCHRP 14-17	Manual for Emulsion-Based Chip Seals for Pavement Preservation	Active
NCHRP 14-18	Determining Highway Maintenance Costs	Active
NCHRP 14-20	Quantifying the Costs and Risks of Delayed Maintenance	Anticipated
NCHRP 14-21	Optimization of Resource Allocation for Highway Preservation Needs	Anticipated
NCHRP 14-22	Effective Removal of Pavement Markings	Anticipated
NCHRP 15-10	Development of a Design/Graphics Interface System	Completed
NCHRP 15-11	Computer-Aided Analysis of Highway Encroachments on Mobile Boundary Streams	Completed
NCHRP 15-11A	BRI-STARS Maintenance Support and Enhancement	Completed
NCHRP 15-12	Roadway Widths for Low Traffic Volume Roads	Completed
NCHRP 15-13	Long-Term Performance of Geosynthetics in Drainage Applications	Completed
NCHRP 15-14(1)	Intersection Sight Distance	Completed
NCHRP 15-14(2)	Median Intersection Design	Completed
NCHRP 15-15	Collection and Presentation of Roadway Inventory Data	Completed
NCHRP 15-16	Superelevation Distribution Methods and Transition Designs	Completed
NCHRP 15-16A	Superelevation Distribution Methods and Transition Designs	Completed
NCHRP 15-17	Geometric Design Consistency on Higher-Speed, Non-Urban, Two-Lane Roads	Completed
NCHRP 15-18	Design Speed and Operating Speed	Completed
NCHRP 15-19	Application of Context-Sensitive Design Principles	Completed
NCHRP 15-20	Planning, Design, and Operation of Pedestrian Facilities	Completed
NCHRP 15-21	Review of Truck Characteristics as Factors in Roadway Design	Completed
NCHRP 15-22	Safety Consequences of Flexibility in Highway Design	Completed
NCHRP 15-23	Recommended Unit Conversions and Updates of the AASHTO Model Drainage Manual and Highway Drainage Guidelines	Completed	Status - Updated versions of the AASHTO Highway Drainage Guidelines and the AASHTO Model Drainage Guidelines delivered to AASHTO
NCHRP 15-24	Hydraulic Loss Coefficients for Culverts	Active	Status - Partial draft final report in hands of panel
NCHRP 15-25	Alternatives to Design Speed for Selection of Roadway Design Criteria	Active
NCHRP 15-26	Passing Sight Distance Criteria	Final
NCHRP 15-27	Safety Impacts of Design Element Trade-Offs	Completed	The final report is available as NCHRP Report 633.
NCHRP 15-28	Modernize and Upgrade CANDE for Analysis and Design of Buried Structures	Completed
NCHRP 15-29	Design Specifications for Live Load Distribution to Buried Structures	Active	A contract extension is being processed. Revised final report is expected in Feb. 2009
NCHRP 15-30	Median Intersection Design for Rural High-Speed Divided Highways	Completed
NCHRP 15-31	Design Guidance for Freeway Mainline Ramp Terminals	Completed	Continued as NCHRP 15-31A
NCHRP 15-31A	Design Guidance for Freeway Mainline Ramp Terminals	Active
NCHRP 15-32	Context Sensitive Solutions: Quantification of the Benefits in Transportation	Active	The project panel is reviewing the preliminary draft final report.
NCHRP 15-33	Guide for Transportation Landscape and Environmental Design	Active	The preliminary draft final report has been received and is under review.
NCHRP 15-34	Performance-Based Analysis of Geometric Design of Highways and Streets	Active	The interim meeting was held on Feb. 5, 2007.
NCHRP 15-35	Geometric Design of Driveways	Active	Status - proposed draft final report in the panel's hands for review,
NCHRP 15-36	Estimating Joint Probabilities of Design Coincident Flows at Stream Confluences	Active	Working on Phase II
NCHRP 15-37	Revising the AASHTO Guide for the Development of Bicycle Facilities	Active	The preliminary draft final report has been received and is now under review.
NCHRP 15-38	Structural Design Requirements for Culvert Joints	Active
NCHRP 15-39	Superelevation Criteria for Sharp Horizontal Curves on Steep Grades	Anticipated
NCHRP 15-40	Designing the Roadway Transition from Rural Highways to Urban/Suburban Highways or Streets	Anticipated
NCHRP 15-41	Updated Headlamp Design Criteria for Sag Vertical Curves	Anticipated
NCHRP 15-42	Use of Bicycle Lanes for Various Roadway Characteristics	Anticipated
NCHRP 16-04	Design Guidelines for Safe and Aesthetic Roadside Treatments in Urban Areas	Completed
NCHRP 16-05	Development of Cost-Effective Treatments of Roadside Ditches to Reduce the Number and Severity of Roadside Crashes	Anticipated
NCHRP 17-06A	Service Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Work Zones (Phase II)	Completed
NCHRP 17-07	Guidelines for Converting STOP to YIELD Control at Intersections	Completed
NCHRP 17-08	Traffic Barrier and Control Treatments for Restricted Work Zones	Completed
NCHRP 17-09	Effect of Highway Standards on Safety	Completed
NCHRP 17-09(2)	Impacts of Resurfacing Projects With and Without Additional Safety Improvements	Completed
NCHRP 17-10	Structural Supports for Highway Signs, Luminaires, and Traffic Signals	Completed
NCHRP 17-10(2)	Structural Supports for Highway Signs, Luminaires, and Traffic Signals	Completed
NCHRP 17-11	Determination of Safe/Cost Effective Roadside Slopes and Associated Clear Distances	Completed
NCHRP 17-12	Improved Safety Information to Support Highway Design	Completed
NCHRP 17-13	Strategic Plan for Improving Roadside Safety	Completed
NCHRP 17-14	Improved Guidelines for Median Safety	Active
NCHRP 17-15	Accident Mitigation on Congested Rural and Exurban Two- and Three-Lane Highways	Completed
NCHRP 17-16	Accident Warrant for Traffic Signals	Completed
NCHRP 17-17	Development of Guidelines for Nighttime Road Work to Improve Safety and Operations	Completed
NCHRP 17-17(2)	Development of Guidelines for Nighttime Road Work to Improve Safety and Operations	Completed
NCHRP 17-18	AASHTO Strategic Highway Safety Plan Implementation Support	Completed
NCHRP 17-18(02)	Web Site Development	Completed
NCHRP 17-18(03)	Guidance for Implementation of the AASHTO Strategic Highway Safety Plan	Active
NCHRP 17-18(04)	Highway Safety Manual	Completed
NCHRP 17-18(05)	Integrated Management Process to Reduce Highway Injuries and Fatalities Statewide	Completed
NCHRP 17-18(05)B	Integrated Safety Management Process - Technical Support	Completed
NCHRP 17-18(07)	AASHTO Strategic Highway Safety Plan--Technology Transfer Plan	Completed
NCHRP 17-18(08)	Comprehensive Human Factors Guidelines for Road Systems	Completed
NCHRP 17-18(09)A	Coordination of Safety Research	Completed
NCHRP 17-18(10)	Safe Landscape Awareness Course	Completed
NCHRP 17-18(11)	Implementation Plan and Products	Completed
NCHRP 17-18(14)	Lane Departure Video	Completed
NCHRP 17-20	Technical Support for the AASHTO Task Force on Roadside Safety (TFRS)	Completed
NCHRP 17-21	Safety of U-Turns at Unsignalized Median Openings	Completed
NCHRP 17-22	Identification of Vehicular Impact Conditions Associated with Serious Ran-Off-Road Crashes	Active
NCHRP 17-23	Safety Impacts and Other Implications of Raised Speed Limits on High-Speed Roads	Completed
NCHRP 17-24	Use of Event Data Recorder (EDR) Technology for Roadside Crash Data Analysis	Completed
NCHRP 17-25	Crash Reduction Factors for Traffic Engineering and ITS Improvements	Completed
NCHRP 17-26	Methodology to Predict the Safety Performance of Urban and Suburban Arterials	Completed
NCHRP 17-27	Parts I and II of the Highway Safety Manual	Completed
NCHRP 17-28	Pavement Marking Materials and Markers: Safety Impact and Cost-Effectiveness	Completed
NCHRP 17-29	Methodology to Predict the Safety Performance of Rural Multilane Highways	Completed
NCHRP 17-30	Traffic Safety Evaluation of Nighttime and Daytime Work Zones	Completed
NCHRP 17-31	Human Factors Guidelines for Road Systems--Phase 2	Completed
NCHRP 17-32	Guidance for the Design and Application of Shoulder and Centerline Rumble Strips	Completed
NCHRP 17-33	Effectiveness of Behavioral Highway Safety Countermeasures	Completed
NCHRP 17-34	Prepare Parts IV and V of the Highway Safety Manual	Completed
NCHRP 17-35	Evaluation of Safety Strategies at Signalized Intersections	Active
NCHRP 17-36	Production of the First Edition of the Highway Safety Manual	Active
NCHRP 17-37	Pedestrian Predictive Crash Methodology for Urban and Suburban Arterials	Completed
NCHRP 17-38	Highway Safety Manual Implementation and Training Materials	Active
NCHRP 17-40	Model Curriculum for Highway Safety Core Competencies	Active
NCHRP 17-41	Human Factors Guidelines for Road Systems - Phase III	Active
NCHRP 17-42	Development of Information and Data to Support Improved Safety Management and Communication of Safety Needs	Active
NCHRP 17-43	Long-Term Roadside Crash Data Collection Program	RFP
NCHRP 17-44	Factors Contributing to Median Encroachments and Cross-Median Crashes	Active	Just underway
NCHRP 17-45	Enhanced Safety Prediction Methodology and Analysis Tool for Freeways and Interchanges	Active
NCHRP 17-46	Comprehensive Analysis Framework for Safety Investment Decisions	Anticipated
NCHRP 17-47	Human Factors Guidelines for Road Systems-Phase IV	Anticipated
NCHRP 17-48	Development of a Strategic National Highway Infrastructure Safety Research Agenda	Anticipated
NCHRP 18-03	Silica Fume Concrete for Bridge Decks	Completed
NCHRP 18-04A	Durability of "Early-Opening-to-Traffic" Portland Cement Concrete for Pavement Rehabilitation: Background and Plan for Evaluation	Completed
NCHRP 18-04B	Durability of "Early-Opening-to-Traffic" Portland Cement Concrete for Pavement Rehabilitation	Completed
NCHRP 18-05	Relationship of Portland Cement Characteristics to Concrete Durability	Completed
NCHRP 18-06	Service Life of Corrosion-Damaged Reinforced Concrete Bridge Superstructure Elements	Completed
NCHRP 18-06A	Service Life of Corrosion-Damaged Reinforced Concrete Bridge Superstructure Elements	Completed
NCHRP 18-07	Prestress Losses in Pretensioned High-Strength Concrete Bridge Girders	Completed
NCHRP 18-08	Supplementary Cementitious Materials to Enhance Durability of Concrete Bridge Decks	Completed
NCHRP 18-08A	Supplementary Cementitious Materials to Enhance Durability of Concrete Bridge Decks	Completed
NCHRP 18-09A	Guidelines for Reducing Premature Deterioration of Hydraulic Cement Concrete Pavements: Background and Research Plan	Completed
NCHRP 18-10	Procedures for Evaluating Air-Entraining Admixtures for Highway Concrete	Completed
NCHRP 18-11	Improved Specifications and Protocols for Acceptance Tests on Processing Additions in Cement Manufacturing	Completed
NCHRP 18-12	Self-Consolidating Concrete for Precast, Prestressed Concrete Bridge Elements	Completed
NCHRP 18-13	Specifications and Protocols for Acceptance Tests of Fly Ash Used in Highway Concrete	Active
NCHRP 18-14	Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web	Active
NCHRP 18-15	High-Performance/High-Strength Lightweight Concrete for Bridge Girders and Decks	Active
NCHRP 19-04	A Review of DOT Compliance with GASB 34 Requirements	Completed
NCHRP 19-05	Assessing and Mitigating Future Impacts to the Federal Highway Trust Fund such as Alternative Fuel Consumption	Active
NCHRP 19-06	Identifying and Quantifying Rates of State Motor Fuel Tax Evasion	Completed
NCHRP 19-07	GASB 34--Methods for Condition Assessment and Preservation	Final
NCHRP 19-08	Costs of Alternative Revenue-Generation Systems	Active
NCHRP 19-09	Truck Tolling - The Role of Freight Markets and Industry Characteristics in Decision Making	Anticipated
NCHRP 20-05	Synthesis of Information Related to Highway Problems	Active
NCHRP 20-06	Legal Problems Arising out of Highway Programs	Active
NCHRP 20-07	Research for AASHTO Standing Committee on Highways	Active
NCHRP 20-07/Task 001	The Development of a Cost-Effectiveness Approach to the Programming of Roadside Safety Improvements	Completed	Completed---Published as NCHRP Report 148
NCHRP 20-07/Task 002	The Relation of Side-Slope Design to Highway Safety	Completed	Completed---Published as NCHRP Report 158
NCHRP 20-07/Task 003	The Development of an Effective Earth-Berm Vehicle Deflector	Completed	Completed---Summarized in NCHRP Research Results Digest 77
NCHRP 20-07/Task 004	Lateral Acceleration and Lateral Tire-Pavement Forces in a Vehicle Traversing Curves Relating to Available Pavement Skid-Resistant Measures	Completed	Completed---Summarized in NCHRP Research Results Digest 55
NCHRP 20-07/Task 005	Effect of Curb Geometry and Location	Completed	Completed---Published as NCHRP Report 150
NCHRP 20-07/Task 006	Development of Impact Attenuators Utilizing Waste Materials	Completed	Completed---Published as NCHRP Report 157
NCHRP 20-07/Task 007	Safety at Narrow Bridge Sites	Completed	Completed---Published as NCHRP Report 203
NCHRP 20-07/Task 008	Energy and Transportation Systems	Completed
NCHRP 20-07/Task 009	Review of Highway Management Studies Co-Sponsored by AASHTO and HUFSAM	Completed
NCHRP 20-07/Task 010	Review of Vehicle Weight/Horsepower Ratio as Related to Passing-Lane Design Criteria	Completed
NCHRP 20-07/Task 011	Longitudinal Occupancy of Freeways by Utilities	Completed
NCHRP 20-07/Task 012	Guidelines for Citizen Participation in Transportation Planning	Completed
NCHRP 20-07/Task 013	Guidelines for Safety Criteria for Low-Volume Roads	Completed	Completed---Published as NCHRP Report 214
NCHRP 20-07/Task 014	A Policy on Geometric Design of Highways and Streets	Completed
NCHRP 20-07/Task 015	Development of a Simplified Pavement Management System	Completed	Completed---Published as NCHRP Report 215
NCHRP 20-07/Task 016	Regulation of Movement of Hazardous Cargoes	Completed
NCHRP 20-07/Task 017	Evaluation of AASHO Road Test Satellite and Environmental Studies	Completed
NCHRP 20-07/Task 018	Standard Specifications for Highway Bridges	Completed
NCHRP 20-07/Task 019	The Engineering Aspects of Highway Traffic Safety in an Age of Limited Resources	Completed
NCHRP 20-07/Task 020	Vehicle Acceleration and Deceleration Characteristics	Completed
NCHRP 20-07/Task 021	Need for Pavement Markings on Low-Volume Roads	Completed
NCHRP 20-07/Task 022	Encasement of Pipelines Through Highway and Railroad Roadbeds	Completed
NCHRP 20-07/Task 023	Contracting Practices and Payment Procedures	Completed
NCHRP 20-07/Task 024	AASHTO Pavement Design Guide	Completed
NCHRP 20-07/Task 025	STRS Support Task	Completed
NCHRP 20-07/Task 026	Research and Development Needs in Construction Engineering Management	Completed
NCHRP 20-07/Task 027	Relationships Between Vehicle Configurations and Highway Design	Completed
NCHRP 20-07/Task 028	AASHTO Guide for Design of Pavement Structures - Training Program	Completed
NCHRP 20-07/Task 029	Pavement Roughness and Rideability - Field Evaluation	Completed
NCHRP 20-07/Task 030	Manual on Subsurface Investigations	Completed
NCHRP 20-07/Task 031	Development of Comprehensive Bridge Specifications and Commentary	Completed
NCHRP 20-07/Task 032	Design and Construction Specifications for Segmental Concrete Bridges	Completed
NCHRP 20-07/Task 033	AASHTO Evaluation of FHWA Research Program	Completed
NCHRP 20-07/Task 034	AASHTO/AWS Bridge Welding Code Commentary and Draft Fracture Control Plan	Completed
NCHRP 20-07/Task 035	Review of Traffic Signal Intensity Standards	Completed
NCHRP 20-07/Task 036	Assessment of Research on High Pressure Truck Tires - Pavement Performance Interaction	Completed
NCHRP 20-07/Task 037	Development of an Asphalt Paving Handbook	Completed
NCHRP 20-07/Task 038	AASHTO Guidelines for Pavement Management Systems	Completed
NCHRP 20-07/Task 039	Revision of AASHTO Pavement Overlay Design Procedures	Completed
NCHRP 20-07/Task 040	AASHTO Contribution to Support of the Highway Research Coordinating Council	Completed
NCHRP 20-07/Task 041	AASHTO Guide for Recruitment and Retention of Transportation Professionals	Completed
NCHRP 20-07/Task 042	Truck Size and Weight Research and Policy	Completed
NCHRP 20-07/Task 043	Revision of the AASHTO Policy on Geometric Design of Highways and Streets	Completed	Task cancelled
NCHRP 20-07/Task 044	Division 100 Revision of the AASHTO Guide Specifications for Highway Construction	Completed
NCHRP 20-07/Task 045	Revision to the AASHTO	Completed
NCHRP 20-07/Task 046	AASHTO Guidelines for Bridge Management Systems	Completed	Completed---Summarized in NCHRP Research Results Digest 186
NCHRP 20-07/Task 047	Support for the Joint Committee on Truck Size and Weight	Completed
NCHRP 20-07/Task 048	Development of a System for the Uniform Location of Subject Matter Within Standard Specifications	Completed
NCHRP 20-07/Task 049	Follow-up on USA Asphalt Study Tour of Europe	Completed
NCHRP 20-07/Task 050	White Paper on the Feasibility of Longer Combination Vehicles (LCV)	Completed
NCHRP 20-07/Task 051	Synthesis of the Impacts of Truck Size and Weight on the Transportation System and the Economy	Completed
NCHRP 20-07/Task 052	Support for the Joint Committee on Domestic Freight Policy	Completed
NCHRP 20-07/Task 053	Profilograph Limitations, Correlation, and Calibration for Effective Performance Based Specifications	Completed
NCHRP 20-07/Task 054	Impacts of Conversion to the Metric System	Completed
NCHRP 20-07/Task 055	Support for National Quality Initiatives	Completed
NCHRP 20-07/Task 056	Review of AASHTO	Completed
NCHRP 20-07/Task 057	Joint Task Force on Pavements' Workshop on SHRP LTPP Data and Analysis	Completed
NCHRP 20-07/Task 058	Information and Evaluation of Asphalt Rubber Research	Completed
NCHRP 20-07/Task 059	Transportation Investment and Economic Expansion: Case Studies	Completed
NCHRP 20-07/Task 060	Support for Implementing the Clean Air Act Amendments of 1990	Completed
NCHRP 20-07/Task 061	Assessment of AASHTO Needs for Metric Conversions & Design of Metrication Clearinghouse	Completed
NCHRP 20-07/Task 062	Rewrite of AASHTO Construction Guide Specifications into Imperative Mood and Metric	Completed
NCHRP 20-07/Task 063	Development of a Manual for State Transportation Research	Completed
NCHRP 20-07/Task 064	Review and Update of the AASHTO Guide for Bridge Maintenance Management, the AASHTO Manual for Bridge Maintenance, and the AASHTO Maintenance Manual	Completed	Completed
NCHRP 20-07/Task 065	Recommended Practices for Sampling, Handling, and Testing of Pavement Samples	Completed
NCHRP 20-07/Task 066	Development and Training of Pavement Engineering Personnel	Completed	Completed
NCHRP 20-07/Task 067	AASHTO Publications in CD-ROM Format	Completed	Completed
NCHRP 20-07/Task 068	Polyethylene Pipe Specifications	Completed
NCHRP 20-07/Task 069	Recommended Revisions to Construction Specifications for Highway Bridges	Completed	Completed
NCHRP 20-07/Task 070	Developing Commentary for the ANSI / AASHTO / AWS D1.5-95 Bridge Welding Code Including the Fracture Control Plan	Completed	Completed
NCHRP 20-07/Task 071	Co-Sponsorship of Winter Maintenance Program	Completed	Completed
NCHRP 20-07/Task 072	Materials Characterization for Input to AASHTO Guide for Design of Pavement Structures	Completed
NCHRP 20-07/Task 073	High Strength Metric Fasteners for Bridge Applications	Completed	Task cancelled
NCHRP 20-07/Task 074	Manual for Scientific Inquiry into Transportation Problems: Research Methodologies	Completed
NCHRP 20-07/Task 075	Geometric and Roadside Safety for Very Low Volume Roads	Completed	Completed
NCHRP 20-07/Task 076	Installation of Fiber Optic Facilities on Highway and Freeway Rights of Way	Completed
NCHRP 20-07/Task 077	Improved Pavement Design Workshop	Completed
NCHRP 20-07/Task 078	Developing a Measurement System for the AASHTO/TRAC Program	Completed	Completed
NCHRP 20-07/Task 079	Incorporating Canadian Projects into TRIS	Completed	Completed
NCHRP 20-07/Task 080	Information Clearinghouse for Continuous Quality Improvement	Completed	Completed
NCHRP 20-07/Task 081	Effect of Headlamp Design on Retroreflective Signs and Pedestrian Safety	Completed	Completed
NCHRP 20-07/Task 082	Enhancement to the Special Products Evaluation List	Completed
NCHRP 20-07/Task 083	Guide for Snow and Ice Control	Completed	Completed
NCHRP 20-07/Task 084	Developing a Model for Effective Transfer of Innovative Technologies	Completed
NCHRP 20-07/Task 085	Report on Forum on Economic Returns of Transportation Investments	Completed
NCHRP 20-07/Task 086	Potential Credit Reform: Accessing Unobligated Highway Trust Fund Balances	Completed	Completed
NCHRP 20-07/Task 087	Investigate the Need for Research on the Performance of Portland Cement Concrete	Completed	Completed
NCHRP 20-07/Task 088	LRFD Specifications for Retaining Walls	Completed	Completed
NCHRP 20-07/Task 089	LRFD Specifications for Plastic Pipe and Culverts	Completed	Completed---Published as NCHRP Report 438
NCHRP 20-07/Task 090	The Next Generation of TRAC PAC - A Hands-On Educational Program	Completed	Completed
NCHRP 20-07/Task 091	Transportation Implications of Proposed Changes to the National Ambient Air Quality Standards	Active	Completed
NCHRP 20-07/Task 092	Durability of Precast Segmental Bridges	Completed
NCHRP 20-07/Task 093	AASHTO Subcommittee Process Evaluation	Completed
NCHRP 20-07/Task 094	Mitigating Nighttime Construction Noise, Vibrations, and Other Nuisances	Completed
NCHRP 20-07/Task 095	Support for the AASHTO 350 Task Force	Completed
NCHRP 20-07/Task 096	Techniques for Acquiring ITS Software	Completed	Completed
NCHRP 20-07/Task 097	Bridge Performance Measures	Completed	Completed
NCHRP 20-07/Task 098	Shear Design Methodology for Prestressed Concrete	Completed
NCHRP 20-07/Task 099	LRFD Design Criteria for Cotton Duck Pad (CDP) Bridge Bearings	Completed	Completed
NCHRP 20-07/Task 100	Safety Appraisal of Suspension Bridge Main Cables	Completed	Completed
NCHRP 20-07/Task 101	Lead States Web Site	Completed
NCHRP 20-07/Task 102	Project-Development Policies and Practices	Completed	Completed
NCHRP 20-07/Task 103	Development of AASHTO Committee Web Sites	Completed	Completed
NCHRP 20-07/Task 104	Support for the Year 2000 National Conference on Pavements	Completed	Completed
NCHRP 20-07/Task 105	Planning, Design, and Operation of Pedestrian Facilities	Completed	Completed
NCHRP 20-07/Task 106	Thermal Movement Design Procedure for Concrete	Completed	Completed
NCHRP 20-07/Task 107	Shear Design Guidelines for Skewed Multi-Beam Bridges	Completed	Completed
NCHRP 20-07/Task 108	Geometric Design Policy for Very Low-Volume Local Roads (<400 ADT)	Completed	Completed
NCHRP 20-07/Task 108A	Geometric Design Policy for Very Low-Volume Local Roads (<400 ADT)	Active	Completed
NCHRP 20-07/Task 109	Improved Contracting Methods for Highway Construction Projects	Completed	Completed
NCHRP 20-07/Task 110	Support AASHTO Participation in Forum on Transportation Investments and Economic Growth	Completed	Completed
NCHRP 20-07/Task 111	Support for the AASHTO Task Group on Retroreflectivity Standards	Completed
NCHRP 20-07/Task 112	Geosynthetic Reinforcement in Roadway Sections	Completed	Completed
NCHRP 20-07/Task 113	Corrosion of Metals Above the Ground Surface: Transportation Related Issues	Completed	Completed
NCHRP 20-07/Task 114	Context Sensitive Design for Integrating Highway and Street Projects with Communities and the Environment	Completed	Completed
NCHRP 20-07/Task 115	Effective Practices in Consultant Usage by State Departments of Transportation	Completed	Completed---Report provided to AASHTO for distribution
NCHRP 20-07/Task 116	User's Guide for Evaluating Sign Retroreflectivity	Completed	Completed
NCHRP 20-07/Task 117	Benefit/Cost Study of RWIS and Anti-icing Technologies	Completed	Completed
NCHRP 20-07/Task 118	A Supplemental Guideline for Highway Design to Accommodate Older Drivers and Pedestrians	Completed	Completed
NCHRP 20-07/Task 119	Environmental Best Practices Competition	Completed
NCHRP 20-07/Task 120	Asset Management	Completed	Completed
NCHRP 20-07/Task 121	Strategic Plan for Bridge Engineering Research	Completed
NCHRP 20-07/Task 122	Load Rating by Load and Resistance Factor Evaluation Method	Completed	Completed
NCHRP 20-07/Task 123	Production of a U.S. Customary System of Units Version of the Year 2000 Highway Capacity Manual	Completed	Funds shifted to Project 03-55(06) contract
NCHRP 20-07/Task 124	Cost/Benefits of Constructability Reviews	Completed	Completed
NCHRP 20-07/Task 125	Summary of Research Peer Exchange Findings and Recommendations	Completed	Completed
NCHRP 20-07/Task 126	Production of the Year 2000 AASHTO Policy on Geometric Design of Highways and Streets	Completed	Completed
NCHRP 20-07/Task 127	A Strategic Plan (Road Map) for Pavement Research	Completed	Completed---Summarized in NCHRP Research Results Digest 276
NCHRP 20-07/Task 128	Partnerships in Highway Development and Design for Shaping and Enhancing Communities	Completed	Completed
NCHRP 20-07/Task 129	Synthesis of Project Delivery Times	Completed	Completed
NCHRP 20-07/Task 130	Development of a Detailed Test Procedure by FTIR Identification for Structural Steel Coatings	Completed
NCHRP 20-07/Task 131	AASHTO Internet Applications Infrastructure	Completed
NCHRP 20-07/Task 131A	AASHTO Model Committee Web Site	Completed	Completed
NCHRP 20-07/Task 131C	AASHTO Transportation Web Portal Concepts	Completed	Completed
NCHRP 20-07/Task 132	Final Review and Acceptance of LRFD Specification for Walls	Completed	Completed
NCHRP 20-07/Task 133	Improved Live Load Deflection Criteria for Steel Bridges	Completed	Completed
NCHRP 20-07/Task 134	Asset Management Education and Communication Materials	Completed	Completed as 20-24(11)
NCHRP 20-07/Task 135	Geometric Design Guide for Transit Facilities on Highways and Streets - Phase I	Active	Completed
NCHRP 20-07/Task 136	Support for SCOH Task Force on Forest Development Roads	Completed
NCHRP 20-07/Task 137	Synthesis of R&T Partnership Working Group Reports	Completed	Completed
NCHRP 20-07/Task 138	Recommended Procedures for the Testing of Rock-Fall Barriers	Completed	Completed
NCHRP 20-07/Task 139	Application of European 2+1 Roadway Designs	Completed	Completed---Summarized in NCHRP Research Results Digest 275
NCHRP 20-07/Task 140	TEA-21 Stewardship Report	Completed	Research in progress
NCHRP 20-07/Task 141	Conformity Problems Caused by the Mismatch in SIP/Transportation Plan Timeframe	Active	Research in progress---see Project 08-36/Task 20
NCHRP 20-07/Task 142	Scoping Study for a National Strategic Plan for Managing Transportation Information	Completed	Completed
NCHRP 20-07/Task 143	Synthesis of Practice: AASHTO's National Transportation Product Evaluation Program (NTPEP)	Completed	Completed
NCHRP 20-07/Task 144	Delegations of Authority to Expedite Environmental Streamlining	Completed	Completed
NCHRP 20-07/Task 145	Update of the AASHTO Guide for Transportation Landscape and Environmental Design	Completed	Cancelled
NCHRP 20-07/Task 146	Development of a Standard Protocol for Evaluating Hydrologic and Hydraulic Engineering Software Models	Completed	Research in progress
NCHRP 20-07/Task 147	Update of the Design Guidelines for the Control of Blowing and Drifting Snow	Completed	Research in progress
NCHRP 20-07/Task 148	Evaluation of Potential Impacts on the State DOTs of the US Access Board's Recommendations on Public Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 149	Evaluation of 3D Computer Modeling and Electronic Information Transfer for Efficient Design and Construction of Steel Bridges	Completed	Research in progress
NCHRP 20-07/Task 150	Electronic NTPEP Report: A First Generation Query-Based Program to Aid in the Assessment of Pavement Markings and Sign Sheeting Materials	Completed	Completed
NCHRP 20-07/Task 151A	Transportation Security: Highway Emergency Response Handbook	Completed	Research in progress
NCHRP 20-07/Task 151B	Transportation Security: Highway Vulnerability Assessment Guide	Completed	Completed
NCHRP 20-07/Task 151C	Transportation Security: Sharing Information & Task Force Support	Completed	Research in progress
NCHRP 20-07/Task 152	Project Cost Estimating A Synthesis of Highway Practice	Completed	Completed
NCHRP 20-07/Task 153	Update of the AASHTO Transportation Glossary	Completed	Completed
NCHRP 20-07/Task 154	Update of the HOV and Park-and-Ride Facilities Design Guides	Completed	Completed
NCHRP 20-07/Task 155	Signing Standards for Two-Lane Exit Ramps with an	Completed	Research in progress
NCHRP 20-07/Task 156	Finalize Two Design Examples for AASHTO Guide Specifications for Horizontally Curved Steel Highway Bridges	Completed
NCHRP 20-07/Task 157	Materials Information Management System Software Review	Completed	Completed
NCHRP 20-07/Task 158	Survey of State DOT Practice: Outsourcing and Private Sector Utilization	Completed	Completed
NCHRP 20-07/Task 159	Privatization and Commercial Use of Public Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 160	Two-Lane Road Analysis Methodology in the Highway Capacity Manual	Completed	Completed
NCHRP 20-07/Task 161	Revision of the Draft AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities	Completed	Completed
NCHRP 20-07/Task 162	Guidelines for the Correlation of Test Results from Bench-Scale and Large-Scale Testing on Rolled Erosion Control Products (RECP)	Completed	Completed
NCHRP 20-07/Task 163	Innovative Practices in Workforce Development for State Departments of Transportation	Completed	Terminated
NCHRP 20-07/Task 163A	Innovative Practices in Workforce Development for State Departments of Transportation	Completed	Research in progress
NCHRP 20-07/Task 164	Revision of AASHTO R9-97	Completed	Completed
NCHRP 20-07/Task 165	A Policy Synthesis on the Economic Benefits of NTPEP	Completed	Completed
NCHRP 20-07/Task 166	Acceleration of Environmental Stewardship Best Practices for Maintenance and Construction	Completed
NCHRP 20-07/Task 167	Development of Recommended Revisions to Draft ADA Guidelines for Accessible Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 168	Determination of Appropriate Railing Heights for Bicyclists	Completed	Completed
NCHRP 20-07/Task 169	Resolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive Design	Completed	Completed
NCHRP 20-07/Task 169B	Resolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive Design: Liability Chapter	Completed	Completed
NCHRP 20-07/Task 170	Review and Revision of the AASHTO Maintenance Manual for Roadways and Bridges	Completed	Completed
NCHRP 20-07/Task 171	Identification of Conflicts with AASHTO Publications Related to Clear Zone	Completed	Completed
NCHRP 20-07/Task 172	Recommended AASHTO Design-Build Procurement Guide	Completed	Completed
NCHRP 20-07/Task 173	Measuring and Communicating the Effects of Incident Management Improvements	Completed	Completed
NCHRP 20-07/Task 174	Use of Positive Protection in Work Zones	Completed	Completed
NCHRP 20-07/Task 176	Update of Exhibits for the AASHTO Green Book	Completed
NCHRP 20-07/Task 177	Synthesis of Maintenance and Durability Information for Detectable Warnings on Sidewalks	Completed	Completed
NCHRP 20-07/Task 178	Evaluation and Update of NCHRP Project 24-08,	Completed	Completed
NCHRP 20-07/Task 179	Development of Operating Procedures for the Standing Committee on Highways	Completed	Completed
NCHRP 20-07/Task 180	Summary of International Practice on Bridge Girder and Deck Strengthening with Fiber Reinforced Polymer (FRP) Composites	Completed
NCHRP 20-07/Task 181	Multi-State Transportation Operations Program: Status & Critical Issues	Completed	Completed
NCHRP 20-07/Task 182	Evaluation of Highway Innovative Technology Evaluation Center (HITEC)	Completed	Research in progress
NCHRP 20-07/Task 183	LRFD Foundation Design Implementation and Specification Development	Completed	Completed
NCHRP 20-07/Task 184	Development of a Pavement Preservation Synthesis, Research Plans, and Initiatives	Completed	Research in progress
NCHRP 20-07/Task 185	Implementation of Flashing Yellow Arrow Display for Protected/Permissive Left Turn Control	Completed
NCHRP 20-07/Task 186	Updating the Calibration Report for the AASHTO LRFD Code	Completed	Completed
NCHRP 20-07/Task 187	Updating the AASHTO Guide for the Development of Bicycle Facilities	Completed	Research in progress
NCHRP 20-07/Task 188	Mainstreaming Operations in State DOTs	Completed	Completed
NCHRP 20-07/Task 189	Advancing Strategic Highway Safety Plans: Safety Leadership Forum II	Completed	Completed
NCHRP 20-07/Task 190	Develop Strategy for the Testing and Evaluation of Durable Striping Materials for High Traffic Areas and Mountain Passes	Completed	Completed
NCHRP 20-07/Task 191	Product Evaluation and Plant Certification of HDPE Pipe	Completed
NCHRP 20-07/Task 192	Update of Barrier Hardware Guide	Completed	Completed
NCHRP 20-07/Task 193	LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2	Completed	Completed
NCHRP 20-07/Task 194	Consistency of Titles for AASHTO Publications	Completed	Completed
NCHRP 20-07/Task 195	Development and Performance of Web Based Joint Salary Survey	Completed	The web-based survey has been developed and submitted to AASHTO for implementation.
NCHRP 20-07/Task 196	Development of a Guide to Crashworthy Bridge Rail Systems	Completed	Completed
NCHRP 20-07/Task 197	Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic Marking	Completed	Work will be accomplished under Project 20-07 Task 243.
NCHRP 20-07/Task 198	Standard Practice for Independent Assurance Programs	Completed	Completed
NCHRP 20-07/Task 199	Update of the Strategic Plan for Bridge Engineering	Completed	Completed
NCHRP 20-07/Task 200	Synthesis of Vehicle Based Winter Maintenance Technologies	Active	Research in progress
NCHRP 20-07/Task 201	Use of Warranties in Highway Construction	Completed
NCHRP 20-07/Task 202	Guide to Benchmarking Operations Performance Measures	Completed
NCHRP 20-07/Task 203	Update of AASHTO Maintenance Manual to Include Systems Operations and Management	Active	Research in progress
NCHRP 20-07/Task 204	Pavement Noise Intensity Testing in Europe for Comparison to the United States	Active
NCHRP 20-07/Task 205	Project Delivery Workforce Management Review	Completed
NCHRP 20-07/Task 206	A Model Guide for Condition Assessment Systems	Completed
NCHRP 20-07/Task 207	Update of the AASHTO Guide Specifications for Highway Construction	Active	Research in progress
NCHRP 20-07/Task 208	Update of Recommendations on Crest Vertical Curves	Completed
NCHRP 20-07/Task 209	Incorporation of Research Findings into AASHTO's Standard Specifications for Structural Supports for Highway Signs, Luminaries and Traffic Signals	Completed	Completed
NCHRP 20-07/Task 210	Guidelines for the Selection of Cable Barrier Systems	Completed
NCHRP 20-07/Task 211	Scoping study for an AASHTO Guide on Accelerating Project Delivery	Completed	Completed
NCHRP 20-07/Task 212	Development of a Model Drivers License Handbook	Completed
NCHRP 20-07/Task 213	Requirements for Minimum Maintained Retroreflectivity of Pavement Marking	Completed
NCHRP 20-07/Task 214	Update of A Guide to Small Sign Support Hardware	Completed
NCHRP 20-07/Task 215	Statewide Incident Reporting Systems	Completed
NCHRP 20-07/Task 216	Application of LRFD Bridge Design Specifications to High-Strength Structural Concrete: Final Project � Phase I	Completed	Completed
NCHRP 20-07/Task 217	Verification and Implementation of Strut-and-Tie Model in LRFD Bridge Design Specifications	Completed	Completed
NCHRP 20-07/Task 218	Performance-Based Maintenance Contracting	Final	Cancelled
NCHRP 20-07/Task 219	Testing American Traffic Marking Systems on the Spanish (AETEC) Traffic Marking Wear Simulator	Completed
NCHRP 20-07/Task 220	Update of the AASHTO Guide Specifications for Highway Construction	Completed
NCHRP 20-07/Task 221	Traffic Incident Management Program for Worker Safety	Active
NCHRP 20-07/Task 222	Evaluation of the Field Implementation of the Flashing Yellow Arrow Permissive Left-Turn Indication	Completed
NCHRP 20-07/Task 223	Update Business Needs for Pavement Engineering	Completed
NCHRP 20-07/Task 224	Update of the AASHTO Guide for Contracting, Selecting, and Managing Consultants in Preconstruction Engineering	Completed
NCHRP 20-07/Task 225	Best Practices in the Management of Design Errors and Omissions	Completed
NCHRP 20-07/Task 226	Review and Update of Human Factors and Operations Issues in the AASHTO Green Book	Completed
NCHRP 20-07/Task 227	Technology Transfer Guidebooks for Implementation of Innovative Technologies	Completed
NCHRP 20-07/Task 228	Update the United States Numbered Highways (1989 Edition) and Document Current U.S. Routes	Active	The contract has been executed and work is underway on the initial tasks.
NCHRP 20-07/Task 229	Bridge Construction Practices Using Incremental Launching	Completed
NCHRP 20-07/Task 230	Safety and Security in Roadway Tunnels	Completed
NCHRP 20-07/Task 231	Laboratory Testing of Proposed Roundabout Traffic Control Options	Completed
NCHRP 20-07/Task 232	Development of a Guide to Update ADA Transition Plans	Completed
NCHRP 20-07/Task 233	Development of a Toolkit to Assist State DOTs and Contractors in Uniformly Handling DBE requirements	Completed	The project is completed and the final products delivered to AASHTO.
NCHRP 20-07/Task 234	Guidelines for Selection of Bridge Deck Overlays, Sealers, and Treatments	Completed
NCHRP 20-07/Task 235	Development of Testing Protocols for Surface Applied Concrete Sealers Treatments	Completed
NCHRP 20-07/Task 236	Modification and Stabilization of Soils and Base for Use in Pavement Structures	Active	The project panel is reviewing the preliminary draft final report.
NCHRP 20-07/Task 237	Incorporation of Lane Management and Toll Plaza Design Issues in the AASHTO Green Book	Active	In development
NCHRP 20-07/Task 238	Conceptual Development of an AASHTO Guide to Systems Operations and Management	Completed
NCHRP 20-07/Task 239	Identification and Delineation of Incident Management and Multi-Agency Emergency Response Functions	Active	In development
NCHRP 20-07/Task 240	Update of AASHTO Roadside Design Guide	Active
NCHRP 20-07/Task 241	Capacity Creation Through Innovative Design	Final	Cancelled
NCHRP 20-07/Task 242	Cost Analysis of Rehabilitation/Reconstruction of the Nation's Highway Infrastructure	Active	In development
NCHRP 20-07/Task 243	Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic Markings	Active	Awaiting the preliminary draft final report.
NCHRP 20-07/Task 244	Modifications for AASHTO LRFD Bridge Design Specifications to Incorporate or Update the Guide Specifications for Design of Pedestrian Bridges	Final	Completed
NCHRP 20-07/Task 245	Bridge Construction Practices for Temporary Works	Active	The draft final report has been received and is under review.
NCHRP 20-07/Task 246	Replacement Process for LED (Light Emitting Diode) Traffic Signals	Active	Draft final report under review
NCHRP 20-07/Task 247	Outdoor Advertising Sign Regulation Study	Active
NCHRP 20-07/Task 248	Utility Encasement Policy for Highway Crossings	Active
NCHRP 20-07/Task 249	Asset Management Approaches to ADA Compliance	Completed
NCHRP 20-07/Task 250	Update AASHTO ''Guide for Snow and Ice Control''	Completed
NCHRP 20-07/Task 251	Consideration of Pavement Preservation in the AASHTO Mechanistic-Empirical Pavement Design Guide	Completed
NCHRP 20-07/Task 252	Guidelines for Implementing Quality Control and Quality Assurance for Bridge Inspection	Active
NCHRP 20-07/Task 253	Subcommittee on Systems Operations and Management Strategic Plan Update	Completed
NCHRP 20-07/Task 254	Vehicle Size and Weight Management (VSW) Technology Transfer/Best Practices	Active
NCHRP 20-07/Task 255	Development of a Test Method To Determine the Ability of Adhesive Anchors To Resist Sustained Tensile Load	Completed	The project final report is available upon request to NCHRP
NCHRP 20-07/Task 256	Safety Impacts of the Emerging Digital Display Technology for Outdoor Advertising Signs	Completed
NCHRP 20-07/Task 257	Crash Tested Precast Concrete Barrier Designs and Anchoring Methods	Active
NCHRP 20-07/Task 258	Identification of Cross-Cutting Issues Related to the Development, Management, and Delivery of Transportation Projects and Programs	Completed	The final report has been submitted to AASHTO.
NCHRP 20-07/Task 259	Assessment of State-of-the-Practice for Identifying Earth Retaining Structure (ERS)	Active
NCHRP 20-07/Task 260	Development of Guidelines for Conducting Effective Customer Surveys Related to Highway Maintenance Operations	Active	Research in Progress, Interim report received.
NCHRP 20-07/Task 261	Best Practices for Implementing Quality Control and Quality Assurance for Tunnel Inspection	Active
NCHRP 20-07/Task 262	Review and Update of the AASHTO Guide Specifications for Seismic Isolation Design	Active
NCHRP 20-07/Task 263	Update of the AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities	Active	A contract has been executed and work is underway.
NCHRP 20-07/Task 265	Electronic Publications Delivery System: AASHTO�s Next Step	Active	Research in Progress, Interim report received.
NCHRP 20-07/Task 267	Potential for Saving Lives with Various Countermeasures to Meet AASHTO�s New Safety Goal	Active
NCHRP 20-07/Task 270	Application of AASHTO LRFD Specifications to Design of Sound Barriers	Active	Research in progress
NCHRP 20-07/Task 271	Graphical Traffic Signal Design Aid Based on the MUTCD	Active	Contract just underway
NCHRP 20-07/Task 274	Price Indexing in Transportation Construction Contracts	Pending
NCHRP 20-07/Task 275	SCOH Strategic Plan Support	Active	Work is underway on initial tasks.
NCHRP 20-19(2)	Pedestrian Safety and Convenience on Suburban and Rural Highways---Implementation Phase	Completed
NCHRP 20-23	Kinematic Differential GPS Satellite Surveying	Completed
NCHRP 20-24	Research Program Design---Administration of Highway and Transportation Agencies	Completed
NCHRP 20-24(01)	Using Market Research to Improve the Management of Transportation Systems	Completed
NCHRP 20-24(02)	Executive Management Information Systems for State Departments of Transportation	Completed
NCHRP 20-24(03)	Expanding the Civil Engineering Pool	Completed
NCHRP 20-24(03)A	Civil Engineering Careers in Transportation---Outreach Program	Completed
NCHRP 20-24(05)	Public Outreach in Transportation Management	Completed
NCHRP 20-24(06)A	Performance Measures for State Highway and Transportation Agencies	Completed
NCHRP 20-24(06)B	Business Systems Plan for Highway Engineering Information	Completed
NCHRP 20-24(06)C	Information Systems for Transportation Agencies	Completed
NCHRP 20-24(07)	Alternatives to Motor Fuel Taxes for Financing Surface Transportation Improvements	Completed
NCHRP 20-24(07)A	Alternative Approaches to the Taxation of Heavy Vehicles	Completed
NCHRP 20-24(08)	Project 20-24 Series---Revisited	Completed
NCHRP 20-24(09)	State Departments of Transportation---Strategies for Change	Completed
NCHRP 20-24(10)	Customer-Based Quality in Transportation	Completed
NCHRP 20-24(11)	Asset Management Guidance for Transportation Agencies	Completed
NCHRP 20-24(12)	Avoiding Delays During the Construction Phase of Highway Projects	Completed	Agency report available as an NCHRP Web-Only Document
NCHRP 20-24(12)A	Improving the Time Performance of Highway Construction Contracts	Completed
NCHRP 20-24(13)	Innovative Financing Clearinghouse	Completed
NCHRP 20-24(14)	Managing Change in State Departments of Transportation	Completed
NCHRP 20-24(18)	Outsourcing of State DOT Delivery of Capital Programs	Completed
NCHRP 20-24(19)	State DOTs and E-Business	Completed
NCHRP 20-24(20)	Using Performance Measures to Manage Change in State Departments of Transportation	Completed
NCHRP 20-24(21)	Characteristics of the 21st Century Operations-Oriented State DOT	Completed
NCHRP 20-24(23)	Assessing the Importance of Transportation for Major Industries and Sectors of the U.S. Economy	Final
NCHRP 20-24(24)	Transportation Mobility, Access and Safety for an Aging Population	Completed
NCHRP 20-24(29)	CEO Leadership Forum	Completed
NCHRP 20-24(30)	Performance Measurement in Context Sensitive Design	Completed
NCHRP 20-24(31)	Effective Program Delivery in a Constrained Fiscal Environment	Completed	The final report has been submitted to AASHTO.
NCHRP 20-24(33)	Transportation Vision 2010 and Beyond	Completed
NCHRP 20-24(34)	Commuting in America	Active
NCHRP 20-24(35)	Communicating Urban Congestion Information	Completed
NCHRP 20-24(36)	AASHTO Strategic Plan Support	Completed
NCHRP 20-24(37)	Measuring Performance among State DOTs: Sharing Good Practices	Completed
NCHRP 20-24(37)A	Measuring Performance among State DOTs: Sharing Good Practices -- Construction Project Cost and Schedule	Completed
NCHRP 20-24(37)B	Measuring Performance among State DOTs: Sharing Good Practices based on the International Roughness Index	Completed	Completed
NCHRP 20-24(37)C	Measuring Performance Among State DOTs, Sharing Best Practices -- Safety	Completed
NCHRP 20-24(37)D	Measuring Performance Among State DOTs, Sharing Best Practices--Operations Performance Using Incident Response Time	Pending
NCHRP 20-24(38)	CEO Engagement Options	Completed
NCHRP 20-24(39)	Alternative Organizational Designs for State Transportation Departments	Completed
NCHRP 20-24(40)	Analysis and Benchmarking of State DOT Recruitment and Hiring Practices	Completed
NCHRP 20-24(41)	Project Summaries for State DOT CEOs	Active
NCHRP 20-24(42)	Guidelines for State DOT quality management systems	Completed
NCHRP 20-24(43)	Innovative Contracting for Major Transportation Projects Workshop	Completed	The workshop was the deliverable
NCHRP 20-24(44)	Highway Safety Leadership Organizational Issues; A Survey of States and Recommendations for Sustaining Progrss	Completed
NCHRP 20-24(45)	Executive Seminar, Coordinating Transportation and Land Development	Active
NCHRP 20-24(46)	Freight Transportation: New Roles for State DOTs	Active	The project's indicated completion date does not reflect delays in contract modification.
NCHRP 20-24(47)	Racial and Gender Diversity in State DOTs and Transit Agencies: Phase I Benchmark Scoping	Completed
NCHRP 20-24(48)	Analysis and Benchmarking of State DOT Human Resource Activities	Final
NCHRP 20-24(49)	Future Financing Options to Meet Highway and Transit Needs	Completed
NCHRP 20-24(50)	In-Service Training Needs for State DOTs	Completed
NCHRP 20-24(51)	State DOT Leadership Forum--2006	Completed
NCHRP 20-24(52)	Future Options for the National System of Interstate and Defense Highways	Final
NCHRP 20-24(53)	Twenty-First Century Leadership and Management Techniques for State DOTs	Completed	The project has been completed and the products provided to AASHTO for distribution.
NCHRP 20-24(54)	2006 Bottom Line Report State and National Investment Analysis: Highways	Completed
NCHRP 20-24(54)G	2006 AASHTO Bottom Line Scoping	Completed
NCHRP 20-24(55)	National Summit on Future Transportation Funding and Finance Strategies: States and Metropolitan Regions	Completed
NCHRP 20-24(56)	National Leadership Retreat for State and Local Officials to Advance a Vision of the Transportation System Required to Meet Future Needs	Completed
NCHRP 20-24(58)	Toward Developing Performance Based Federal-Aid Highway Programs	Active
NCHRP 20-24(59)	Strategies for Reducing the Impacts of Surface Transportation on Global Climate Change	Completed
NCHRP 20-24(60)	Updating AASHTO's Strategic Plan in CY 2008	Active
NCHRP 20-24(61)	Issues and Practices in Performance-Based Maintenance and Operations Management	Active
NCHRP 20-24(62)	Identification of Marketing Tools that Resonate with Lawmakers and Key Stakeholders to Support and Increase Funding and Revenue for the Nation�s Transportation System	Active	This project was part of the initial NCHRP 20-24A task-order procurement.
NCHRP 20-24(63)	Partnership Approaches to Identify, Promote, and Implement Congestion Management Strategies	Final
NCHRP 20-24(64)	Implications of Performance Standards, Conformity-Style Approaches, and Other Mechanisms for Assessing Greenhouse Gas (GHG) Reduction Strategies and Integrating GHG Objectives into Transportation Decision Making	Active	The project is administered under the NCHRP 20-24A task-order system.
NCHRP 20-24(65)	Strengthened Economic Basis for Systematic Selection of Highway and Transit Projects	Final	This project was removed from the NCHRP 20-24 program.
NCHRP 20-24(66)	Update of Technology and Alternative Fuels Assessment	Final	This project was removed from the NCHRP 20-24 program.
NCHRP 20-24(67)	State DOT CEO Leadership Forum- Spring/Summer 2009; Pilot Study of State Driven Performance Based Management Reporting	Active
NCHRP 20-24(68)	Estimating the Costs to State Governments Due to Highway-Related Debilitating Injury and Fatal Crashes	Active
NCHRP 20-24(69)	Implementable Strategies for Shifting to Direct Usage-Based Charges for Transportation Funding	Active	Completion date July 2009. The project is administered under the NCHRP 20-24A task-order system.
NCHRP 20-24A	Task-Order Support for Research on the Administration of Highway and Transportation Agencies	Active
NCHRP 20-25	Training Needs for Highway Construction Personnel	Completed
NCHRP 20-25(2)	Training for Highway Construction Personnel	Completed
NCHRP 20-25(3)	Development of Training Material for Highway Construction Personnel	Completed
NCHRP 20-26	Bond and Insurance Coverages for Highway Construction Contractors	Completed
NCHRP 20-27	Adaptation of Geographic Information Systems for Transportation	Completed
NCHRP 20-27(2)	Development of System and Application Architectures for Geographic Information Systems in Transportation	Completed
NCHRP 20-27(3)	Guidelines for the Implementation of Multimodal Transportation Location Referencing Systems	Completed
NCHRP 20-28	Hazardous Wastes in Highway Rights-of-Way	Completed
NCHRP 20-29	Development of a Multimodal Framework for Freight Transportation Investment: Consideration of Rail and Highway Trade-offs	Completed
NCHRP 20-29(2)	Development of a Computer Model for Multimodal, Multicriteria Transportation Investment Analysis	Completed
NCHRP 20-30	NCHRP-IDEA	Active
NCHRP 20-31	Public Policy for Surface Freight Transportation	Completed
NCHRP 20-32	Development of a Comprehensive Thesaurus for Transportation Research	Completed
NCHRP 20-32(2)	Refinement of Transportation Research Thesaurus and Implementation of Updated TRIS Keyword Index	Completed
NCHRP 20-33	Facilitating the Implementation of Research Findings	Completed
NCHRP 20-33(2)	The Role of Procurement and Contracting Approaches in Facilitating the Implementation of Research Findings	Completed
NCHRP 20-34	Developing Measures of Effectiveness for Truck Weight Enforcement Activities	Completed
NCHRP 20-35	Plan for SHRP Follow-Up Studies	Completed
NCHRP 20-36	Highway Research and Technology -- International Information Sharing	Active
NCHRP 20-37	Strategic Direction for the NCHRP and Other AASHTO Research Activities	Completed
NCHRP 20-38	Development of a Manual for State Transportation Research	Completed
NCHRP 20-39	Improved User Access to TRIS Through the AASHTO VAN	Completed
NCHRP 20-39(2)	Improved Transportation Research-In-Progress Data System	Active
NCHRP 20-40	Conversion of AASHTO Publications to Metric Units	Completed
NCHRP 20-41	Approaches for Increasing Private-Sector Involvement in Highway Innovation Process	Completed
NCHRP 20-42	Sustainable Transportation	Completed
NCHRP 20-43	Application of CD-ROM Technology for AASHTO Technical Documents	Completed
NCHRP 20-44	Accelerating the Application of NCHRP Research Results	Active
NCHRP 20-45	Scientific Approaches for Transportation Research	Completed
NCHRP 20-46	Systems Approach to Evaluating Innovations for Integration into Highway Practice	Completed
NCHRP 20-47(1)	Quality and Accuracy of Positional Data in Transportation	Completed
NCHRP 20-48	Accessibility of Non-English Language Transportation Information	Completed
NCHRP 20-48(01)	Making the Business Case for Translating Non-English Transportation Information	Completed
NCHRP 20-49	Support for LTPP Advisory Structure	Completed
NCHRP 20-50(1)	LTPP Data Analysis: Data Availability and Facilitation	Completed
NCHRP 20-50(10&16)	LTPP Data Analysis: Influence of Design and Construction Features on the Response and Performance of New Flexible and Rigid Pavements	Completed
NCHRP 20-50(10)	LTPP Data Analysis: Factors Affecting the Performance of Flexible and Rigid Pavements	Completed
NCHRP 20-50(14)	LTPP Data Analysis: Significance of "As-Constructed" AC Air Voids to Pavement Performance	Completed
NCHRP 20-50(2)	LTPP Data Analysis: Relative Performance of Jointed Plain Concrete Pavements with Sealed and Unsealed Joints	Completed
NCHRP 20-50(3&4)	LTPP Data Analysis: Effectiveness of Maintenance and Rehabilitation Options	Completed
NCHRP 20-50(5)	LTPP Data Analysis: Variations in Pavement Design Inputs	Completed
NCHRP 20-50(7&12)	LTPP Data Analysis: Daily and Seasonal Variations in Insitu Material Properties	Completed
NCHRP 20-50(8&13)	LTPP Data Analysis: Factors Affecting Pavement Smoothness	Completed
NCHRP 20-50(9)	LTPP Data Analysis: Feasibility of Using FWD Deflection Data to Characterize Pavement Construction Quality	Completed
NCHRP 20-51(1)	LTPP Product Development: National Workshop on Pavement Smoothness	Completed
NCHRP 20-51(2)	LTPP Product Development: PCC Pavement Practice Manual and Workshop	Completed
NCHRP 20-51(3)	LTPP Product Development: Pavement Smoothness Specification for Approaches to WIM Equipment Sites	Completed
NCHRP 20-52	TRAC PAC2 -- A Hands-on Educational Program	Completed
NCHRP 20-52(01)	Implementing TRAC PAC2 -- A Hands-on Educational Program	Completed
NCHRP 20-53	Using Customer Needs to Drive Transportation Decisions	Completed
NCHRP 20-54	Accelerating Opportunities for Innovation in the Highway Industry	Active
NCHRP 20-55	TRB Study on Future Surface Transportation Agency Human Resource Needs: Strategies for Recruiting, Training, and Retaining Personnel	Completed
NCHRP 20-56	New Services for AASHTO's World Wide Web Site	Completed
NCHRP 20-57	Analytic Tools to Support Transportation Asset Management	Completed
NCHRP 20-58	Oversight Panel a Future Strategic Highway Research Program	Pending
NCHRP 20-58(1)	Detailed Planning for Research on Accelerating the Renewal of America's Highways (	Completed
NCHRP 20-58(2)	Detailed Planning for Research on Making a Significant Improvement in Highway Safety ("Safety")	Completed
NCHRP 20-58(3)	Detailed Planning for Research on Providing a Highway System with Reliable Travel Times ("Reliability")	Completed
NCHRP 20-58(4)	Detailed Planning for Research on Providing Highway Capacity in Support of the Nation's Economic, Environmental, and Social Goals ("Capacity")	Completed
NCHRP 20-59	Surface Transportation Security Research	Active
NCHRP 20-59(01)	AASHTO Security Research Workshops and Forum	Completed
NCHRP 20-59(02)	Bridge/Tunnel/Highway Infrastructure Vulnerability Workshops	Completed
NCHRP 20-59(03)	Support for the FHWA/AASHTO Blue Ribbon Panel on Bridge and Tunnel Security	Completed
NCHRP 20-59(04)	White Paper on Highway Security Issues for Reauthorization	Completed
NCHRP 20-59(05)	National Needs Assessment for Ensuring Transportation Infrastructure Security	Completed
NCHRP 20-59(06)	Responding to Threats: A Field Personnel Manual	Completed
NCHRP 20-59(06)A&B	System Security Awareness for Transportation Employees	Active
NCHRP 20-59(07) & 20-59(07)A	Transportation Security Information Clearinghouse & White Paper	Completed
NCHRP 20-59(08)	Emergency Transportation Operations Preparedness and Response Workshop: Adaptations for Rural and International Border Crossing Situations	Completed
NCHRP 20-59(09)	Methods for Determining Transportation and Economic Consequences of Terrorist Attacks	Completed
NCHRP 20-59(10)	Secure Communication Infrastructure	Completed
NCHRP 20-59(11)	Emergency Traffic Operations Management	Completed
NCHRP 20-59(12)	Security and Emergency Response 2003 Survey of State Transportation Agencies	Completed
NCHRP 20-59(14)	Research Support for the AASHTO Special Committee on Transportation Security	Active
NCHRP 20-59(16)	Preparation of Educational Materials: Outreach	Completed
NCHRP 20-59(16)A	Security Funding Resources: A Reference Guide for State Transportation Agencies	Completed
NCHRP 20-59(16)B	Security Framework: Fundamentals of Transportation Security for DOTs	Completed
NCHRP 20-59(17)	Guide to Risk Management of Multimodal Transportation Infrastructure	Active
NCHRP 20-59(18)	Guidelines for Transportation Emergency Training Drills and Exercises	Completed
NCHRP 20-59(19)	Transportation Response Options: Scenarios of Infectious Disease, Biological Agents, Chemical, Biological, Radiological, or Nuclear Exposure	Completed
NCHRP 20-59(21)	Continuity of Operations Plans for Transportation Agencies	Completed
NCHRP 20-59(22)	A Guide to Emergency Quarantine and Isolation Controls of Roads in Rural Areas	Active
NCHRP 20-59(23)	A Guide to Emergency Response Planning at State Transportation Agencies	Active
NCHRP 20-59(24)	A Guide to Transportation and Hazards Resources	Active
NCHRP 20-59(25)	Security Research Plan	Completed
NCHRP 20-59(26)	National Needs Assessment for Ensuring Transportation Infrastructure Security (2009-2015)	Active
NCHRP 20-59(28)	Security 101: Physical Security Standards for Transportation	Active
NCHRP 20-59(33)	Pre-Event Planning to Support Transportation Infrastructure Recovery	RFP
NCHRP 20-60	Performance Measures and Targets for Transportation Asset Management	Completed
NCHRP 20-61	Transportation of Radioactive Waste	Active
NCHRP 20-62	Long-Term Viability of Fuel Taxes for Transportation Finance	Completed
NCHRP 20-63	Performance Measurement Tool Box and Reporting System for Research Programs and Projects	Active	Final Report Received and Published. Maintenance of the website is continuing.
NCHRP 20-64	XML Schemas for Exchange of Transportation Data (TransXML)	Completed
NCHRP 20-65	Research for the AASHTO Standing Committee on Public Transportation	Active
NCHRP 20-65/Task 17	Compliance Monitoring Tools	Active
NCHRP 20-65/Task 18	State DOT Best Practices for Developing a Title VI Civil Rights Program Document	Active
NCHRP 20-65/Task 19	Utilization by States of the Flexibility to Transfer Federal Funds Among Eligible Federal Programs	Active
NCHRP 20-65/Task 20	Analysis of Rural Intercity Bus Strategy	Active
NCHRP 20-65/Task 21	Cost/Benefit Analysis of Converting a Lane for Bus Rapid Transit	Active
NCHRP 20-66	Strategic Plan for Transportation Information Management	Completed
NCHRP 20-67	Making Transportation Tunnels Safe and Secure	Completed
NCHRP 20-68	US Domestic Scan Program	Final	The Domestic Scan Program has been initiated as a continuing NCHRP activity. Refer to NCHRP 20-68A.
NCHRP 20-68(01)	U.S. Domestic Scan Program Pilot	Completed	The Domestic Scan Program has been initiated as a continuing activity, NCHRP 20-68A.
NCHRP 20-68A	US Domestic Scan Program	Active
NCHRP 20-68B	Accelerating the Rate of Innovation Among State DOTs	Active	In development; refer to individual sub-projects.
NCHRP 20-68B(01)	Accelerating the Rate of Innovation Among State DOTs�Tracing Domestic Scan Impacts	Active
NCHRP 20-69	Guidance for Transportation Project Management	Active
NCHRP 20-70	Transportation Research Thesaurus Improvements	Completed
NCHRP 20-71	Effective Experimental Design and Data Analysis in Transportation Research	Active
NCHRP 20-72	Tools to Aid State DOTs in Responding to Workforce Challenges	Completed
NCHRP 20-73	Accelerating Transportation Program and Project Delivery: Conception to Completion	Active
NCHRP 20-74	Developing an Asset-Management Framework for the Interstate Highway System	Completed
NCHRP 20-74A	Development of Service Levels for the Interstate Highway System	Active
NCHRP 20-75	Implementing Transportation Knowledge Networks	Active	The draft final report has been received and is under review.
NCHRP 20-76	Disparity/Availability Study Guidelines for State DOT Disadvantaged Business Enterprise (DBE) Programs	Active	The draft final report has been received and is under review.
NCHRP 20-77	Transportation Operations Training Framework	Active
NCHRP 20-78	Communicating the Value of Research	Active	Research in progress
NCHRP 20-79	Expansion of the Transportation Research Thesaurus	Active	Work is underway on initial tasks.
NCHRP 20-81	Guide to Implementing Strategies to Attract and Retain a Capable Transportation Workforce	Pending	Contractor has been selected; contract is expected to be executed in Spring 2009
NCHRP 20-82	Next Generation Transportation Pooled Fund (TPF) Website	Active	Research in Progress
NCHRP 20-83	Long-Range Strategic Issues Facing the Transportation Industry	Anticipated	In development. For more information, see the Project 20-83 series of projects.
NCHRP 20-83(01)	Economic Changes Driving Future Freight Transportation	Pending
NCHRP 20-83(02)	Expediting Future Technologies for Enhancing Transportation System Performance	Pending
NCHRP 20-83(03)	Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway Infrastructure	Pending
NCHRP 20-83(04)	Effects of Changing Transportation Energy Supplies and Alternative Fuel Sources on Transportation	Pending
NCHRP 20-83(05)	Climate Change and the Highway System: Impacts and Adaptation Approaches	Pending
NCHRP 20-83(06)	Effects of Socio-Demographics on Travel Demand	Anticipated
NCHRP 20-83(07)	Sustainable Transportation Systems and Sustainability as an Organizing Principle for Transportation Agencies	Anticipated
NCHRP 20-84	Streamline and Simplify Right-of-Way Procedures and Business Practice	Anticipated
NCHRP 20-85	Wind, Solar and Ground-Source Energy for Maintenance Area Facilities	Anticipated
NCHRP 20-86	Skill Set Requirements and Career Opportunity Awareness for Transportation Systems Operation and Management Needs at High School and College Levels	Anticipated
NCHRP 21-03	Instrumentation for Measuring Scour at Bridge Piers and Abutments	Completed
NCHRP 21-04	Sealing Geotechnical Exploratory Holes to Protect the Subsurface Environment	Completed
NCHRP 21-05	Determination of Unknown Subsurface Bridge Foundations	Completed
NCHRP 21-05(2)	Unknown Subsurface Bridge Foundation Testing	Completed	Report not published; agency report available for loan.
NCHRP 21-06	Corrosion in the Soil Environment: Soil Resistivity and pH Measurements	Completed	The project final report is available for loan on request to NCHRP.
NCHRP 21-07	Development of Portable Scour Monitoring Equipment	Completed	Published as NCHRP Report 515
NCHRP 21-08	Assessment of Innovative Load Testing of Deep Foundations	Completed	Agency report available as NCHRP Web-Only Document 84.
NCHRP 21-09	Intelligent Soil Compaction Systems	Active	Status - Draft final report in the hands of the panel for review.
NCHRP 22-05	Develop Performance Standards and Hardware for Low Service Level Guardrail Systems	Completed
NCHRP 22-05A	Warrants for the Installation of Low Service Level Guardrail Systems	Completed
NCHRP 22-06	Roadside Safety Design for Small Vehicles	Completed
NCHRP 22-07	Update of "Recommended Procedures for Safety Performance Evaluation of Highway Appurtenances"	Completed
NCHRP 22-08	Evaluation of Performance Level Selection Criteria for Bridge Railings	Completed
NCHRP 22-09	Improved Procedures for Cost-Effectiveness Analysis of Roadside Safety Features	Completed
NCHRP 22-10	Updated Materials for a Traffic Barrier/Small Sign Support Hardware Guide	Completed
NCHRP 22-11	Evaluation of Roadside Features to Accommodate Vans, Mini-Vans, Pickup Trucks, & 4-Wheel Drive Vehicles	Completed
NCHRP 22-12	Guidelines for the Selection, Installation, and Maintenance of Highway-Safety Features	Completed
NCHRP 22-12(02)	Selection Criteria and Guidelines for Highway Safety Features	Completed
NCHRP 22-13	Performance of Roadside Barriers	Completed
NCHRP 22-13(2)	Expansion and Analysis of In-Service Barrier Performance Data and Planning for Establishment of a Database	Completed
NCHRP 22-14	Improvement of the Procedures for the Safety-Performance Evaluation of Roadside Features	Completed
NCHRP 22-14(02)	Improved Procedures for Safety-Performance Evaluation of Roadside Features	Completed
NCHRP 22-14(03)	Evaluation of Existing Roadside Safety Hardware Using Updated Criteria	Active
NCHRP 22-15	Improving the Compatibility of Vehicles and Roadside Safety Hardware	Completed
NCHRP 22-16	Development of an Improved Roadside Barrier System	Completed
NCHRP 22-17	Recommended Guidelines for Curbs and Curb-Barrier Combinations	Completed
NCHRP 22-18	Crashworthy Work-Zone Traffic Control Devices	Completed
NCHRP 22-19	Aesthetic Concrete Barrier and Bridge Rail Designs	Completed
NCHRP 22-20	Design of Roadside Barrier Systems Placed on MSE Retaining Walls	Active
NCHRP 22-20(02)	Design of TL-5 Roadside Barrier Systems Placed on MSE Retaining Walls	Anticipated
NCHRP 22-21	Median Cross-Section Design for Rural Divided Highways	Active
NCHRP 22-22	Placement of Traffic Barriers on Roadside and Median Slopes	Pending
NCHRP 22-23	Criteria for Restoration of Longitudinal Barriers	Active
NCHRP 22-24	Guidelines for Verification and Validation of Crash Simulations Used in Roadside Safety Applications	Active
NCHRP 22-25	Development of Guidance for the Selection, Use, and Maintenance of Cable Barrier Systems	Active
NCHRP 22-26	Factors Related to Serious Injury and Fatal Motorcycle Crashes with Traffic Barriers	Active
NCHRP 22-27	Roadside Safety Analysis Program (RSAP) Update	Active
NCHRP 24-03	Laboratory Evaluation of Piles Installed with Vibratory Drivers	Completed
NCHRP 24-04	Load Factor Design Criteria for Highway Structure Foundations	Completed
NCHRP 24-05	Downdrag on Bitumen-Coated Piles	Completed
NCHRP 24-06	Expert System for Stream Stability and Scour Evaluation	Completed	Published as NCHRP Report 426.
NCHRP 24-07	Countermeasures to Protect Bridge Piers from Scour	Completed
NCHRP 24-07(2)	Countermeasures to Protect Bridge Piers from Scour	Completed	Published as NCHRP Report 593.
NCHRP 24-08	Scour at Bridge Foundations: Research Needs	Completed
NCHRP 24-09	Static and Dynamic Lateral Loading of Pile Groups	Completed
NCHRP 24-10	Thermally Sprayed Metallic Coatings to Protect Steel Pilings	Completed
NCHRP 24-11	Guidelines for Geofoam Applications in Embankment Projects	Completed	Published as NCHRP Report 529 and Web-Only Document 65
NCHRP 24-11(02)	Guidelines for Geofoam Applications in Slope Stability Projects	Active
NCHRP 24-12	Controlled Low-Strength Material For Backfill, Utility Bedding, Void Fill, and Bridge Approaches	Completed
NCHRP 24-12(01)	Controlled Low-Strength Material For Backfill, Utility Bedding, Void Fill, and Bridge Approaches	Completed
NCHRP 24-13	Evaluation of Metal Tensioned Systems in Geotechnical Applications	Completed
NCHRP 24-14	Scour at Contracted Bridge Sites	Completed	Agency report available as NCHRP Web-Only Document 83.
NCHRP 24-15	Complex Pier Scour and Contraction Scour in Cohesive Soils	Completed	Report published as NCHRP Report 516.
NCHRP 24-15(2)	Abutment Scour in Cohesive Soils	Active
NCHRP 24-16	Methodology for Predicting Channel Migration	Completed	Published as NCHRP Report 533, Web-Only Document 67, CRP-CD-48, & CRP-CD-49.
NCHRP 24-17	LRFD Deep Foundation Design	Completed
NCHRP 24-18	Countermeasures to Protect Bridge Abutments from Scour	Completed	Terminated due to PI relocation.
NCHRP 24-18A	Countermeasures to Protect Bridge Abutments from Scour	Completed	Published as NCHRP Report 587.
NCHRP 24-19	Environmentally Sensitive Channel- and Bank-Protection Measures	Completed	Published as NCHRP Report 544.
NCHRP 24-20	Prediction of Scour at Bridge Abutments	Active	The draft final report is in the hands of the panel.
NCHRP 24-21	LRFD Soil-Nailing Design and Construction Specifications	Active	Draft final report undergoing editing
NCHRP 24-22	Selecting Backfill Materials for MSE Retaining Walls	Active	Draft final report due in March, 2009
NCHRP 24-23	Riprap Design Criteria, Specifications, and Quality Control	Completed	Completed-Published as NCHRP Report 568
NCHRP 24-24	Criteria for Selecting Numeric Hydraulic Modeling Software	Completed	Published as NCHRP Web-Only Document 106.
NCHRP 24-25	Guidelines for Risk-Based Management of Bridges with Unknown Foundations	Completed	Published as NCHRP Web-Only Document 107.
NCHRP 24-26	Effects of Debris on Bridge-Pier Scour	Active	Status - Draft final report in hands of panel
NCHRP 24-27	Evaluation of Bridge-Scour Research	Pending
NCHRP 24-27(01)	Evaluation of Bridge Scour Research: Pier Scour Processes and Predictions	Active	Work in progress.
NCHRP 24-27(02)	Evaluation of Bridge-Scour Research: Abutment and Contraction Scour Processes and Predicitions	Active	Work in progress.
NCHRP 24-27(03)	Evaluation of Bridge-Scour Research: Geomorphic Processes and Predictions	Active
NCHRP 24-28	LRFD Metal Loss and Service-Life Strength Reduction Factors for Metal-Reinforced Systems in Geotechnical Applications	Active	Work in progress.
NCHRP 24-29	Scour at Bridge Foundations on Rock	Active	Status - Collection of field data at bridge sites completed
NCHRP 24-30	Design Guidelines for Increasing the Lateral Resistance of Highway Bridge Pile Foundations by Improving Weak Soils	Active
NCHRP 24-31	LRFD Design Specifications for Shallow Foundations	Active	A contract extension is being processed.
NCHRP 24-32	Scour at Wide Piers and Long Skewed Piers	Active
NCHRP 24-33	Development of Design Methods for In-Stream Flow Control Structures	Active	Status - Start-up, literature review and put together survey of states.
NCHRP 24-34	Risk-Based Approach to Bridge Scour Prediction	Anticipated
NCHRP 25-02	Predicting Stop-and-Go Traffic Noise Levels	Completed
NCHRP 25-03	Guidelines for the Development of Wetland Replacement Areas	Completed
NCHRP 25-04	Determining Economic Impacts on Adjacent Businesses Due to Restricting Left Turns	Completed
NCHRP 25-05	Remote Sensing and Other Technologies for the Identification and Classification of Wetlands	Completed
NCHRP 25-06	Intersection Air Quality Modeling	Completed
NCHRP 25-07	Improving Transportation Data for Mobile Source Emissions Estimates	Completed
NCHRP 25-08	Impact of Highway Capacity Improvements on Air Quality and Energy Consumption	Completed
NCHRP 25-09	Environmental Impact of Construction and Repair Materials on Surface and Ground Waters	Completed
NCHRP 25-09(01)	Environmental Impact of Construction and Repair Materials on Surface and Ground Waters -- Outreach and Training	Completed
NCHRP 25-10	Estimating the Indirect Effects of Proposed Transportation Projects	Completed
NCHRP 25-10(2)	Desk Reference for Estimating the Indirect Effects of Proposed Transportation Projects	Completed
NCHRP 25-11	Development of a Modal-Emissions Model	Completed
NCHRP 25-12	Wet Detention Pond Design for Highway Runoff Pollution Control	Completed	Report not published. Agency report available for loan.
NCHRP 25-13 and 25-13(2)	Assessments of Impacts of Bridge Deck Runoff Contaminants on Receiving Waters	Completed
NCHRP 25-14	Heavy-Duty Vehicle Emissions	Completed
NCHRP 25-15	Short-Term Monitoring for Compliance with Air Quality Standards	Active
NCHRP 25-16	Guidance for Selecting Compensatory Wetland Mitigation Options	Completed
NCHRP 25-17	Transportation Effects of the 1997 Changes to the National Ambient Air Quality Standards	Active
NCHRP 25-18	Particulate-Matter (PM2.5 and PM10) Apportionment for On-Road Mobile Sources	Active
NCHRP 25-19	Evaluation of Methods, Tools, and Techniques to Assess the Social and Economic Effects of Transportation Projects	Completed
NCHRP 25-20	Management of Runoff from Surface Transportation Facilities--Synthesis and Research Plan	Completed
NCHRP 25-20(01)	Evaluation of Best Management Practices for Highway Runoff Control	Completed
NCHRP 25-20(02)	Identification of Research Needs Related to Highway Runoff Management	Completed
NCHRP 25-21	Predicting Short-Term and Long-Term Air Quality Effects of Traffic-Flow Improvement Projects	Completed
NCHRP 25-22	Technologies to Improve Consideration of Environmental Concerns in Transportation Decisions	Completed	Report available as CRP-CD-14
NCHRP 25-22(02)	Technologies to Improve Consideration of Environmental Concerns in Transportation Decisions	Completed
NCHRP 25-23	Environmental Information Management and Decision Support System for Transportation	Completed
NCHRP 25-23(2)	Software for an Environmental Information Management and Decision Support System	Completed
NCHRP 25-24	Monitoring, Analyzing, and Reporting on the Environmental Streamlining Pilot Projects	Completed
NCHRP 25-25	Research for the AASHTO Standing Committee on the Environment	Active
NCHRP 25-25/Task 01	Synthesis on Data Needs for EA and EIS Documentation	Completed
NCHRP 25-25/Task 02	Transportation Impacts and 'Smart Growth' Initiatives	Completed
NCHRP 25-25/Task 03	Assessment and Mitigation Strategies for Land Development Impacts of Transportation Improvements	Completed
NCHRP 25-25/Task 04	Environmental Stewardship Practices, Policies, and Procedures for Road Construction and Maintenance	Completed
NCHRP 25-25/Task 05	Assessing the Current State of the NEPA Environmental Review Process	Completed
NCHRP 25-25/Task 06	Preparing State DOTs for Implementation of the 8-hour Ozone and PM2.5 Standards	Completed
NCHRP 25-25/Task 07	Evaluation of Mobile Models: MOBILE 6.1, MOBILE 6.2 and MOBILE6/CNG	Completed
NCHRP 25-25/Task 08	Developing Performance Data Collection Protocol for Stream Restoration	Completed
NCHRP 25-25/Task 09	Use of Existing Data in Decision Making	Completed	Cancelled
NCHRP 25-25/Task 10	Alternative Mitigation Strategies/Early Mitigation: Streamlining and Achieving Net Benefits for the Natural Environment	Completed
NCHRP 25-25/Task 11	Secondary/Indirect and Cumulative Effects Analysis	Completed
NCHRP 25-25/Task 12	Design-Build Environmental Compliance Process and Level of Detail Required	Completed
NCHRP 25-25/Task 13	Agency Use and Approach to FHWA Approved Programmatic Agreements	Completed
NCHRP 25-25/Task 14	A Summary of Existing Research on Dam Removal Projects	Completed
NCHRP 25-25/Task 15	Historic Bridges	Completed
NCHRP 25-25/Task 16	State Transportation Agency Strategies to Address NPDES Phase II Requirements	Completed
NCHRP 25-25/Task 17	Assessment of Greenhouse Gas Analysis Techniques for Transportation Projects	Completed
NCHRP 25-25/Task 18	Recommended Approaches to Communicating Air Toxics Issues and Transportation Project-Related Analyses in NEPA Documents	Completed
NCHRP 25-25/Task 19	Historic Bridge Rehabilitation / Replacement Decision Making	Completed
NCHRP 25-25/Task 20	The Role of State DOTs in Support of Transit Oriented Development (TOD)	Completed
NCHRP 25-25/Task 21	Assessment of Geophysical Remote Sensing Opportunities at State Departments of Transportation for Incorporation into Archaeological Investigations	Completed
NCHRP 25-25/Task 22	Land Use Forecasting for Indirect Impacts Analysis	Completed
NCHRP 25-25/Task 23	Environmental performance measurements related to transportation project planning, design, construction, maintenance and operations	Completed
NCHRP 25-25/Task 24	Climate Change and U.S. Transportation	Completed
NCHRP 25-25/Task 25	Modification and Amendment of Environmental Permits on Design-Build Projects	Completed
NCHRP 25-25/Task 26	Integration of Charrette Processes into Project Planning	Final	Cancelled
NCHRP 25-25/Task 27	Project Management and NEPA	Completed	Completed
NCHRP 25-25/Task 28	Reevaluations of NEPA documents	Completed
NCHRP 25-25/Task 29	Best Practices Library from the Environmental Stewardship Practices in Construction and Maintenance Compendium	Completed
NCHRP 25-25/Task 30	Section 404 Permitting and Roadside Ditches as Jurisdictional Waters	Completed	Cancelled
NCHRP 25-25/Task 31	Cost Effective Tools for Achieving PM 2.5 Transportation Air Quality Conformity	Completed	Cancelled
NCHRP 25-25/Task 32	Linking Environmental Resource and Transportation Planning � The Current State of Practice	Final	This project is completed and results are available at the links below.
NCHRP 25-25/Task 33	National Register of Historic Places Eligibility	Completed
NCHRP 25-25/Task 34	Streamlined Carbon Monoxide Hot Spot Screening / Modeling Tool	Completed	Cancelled
NCHRP 25-25/Task 35	Water Quality Analyses for NEPA Documents: Selecting Appropriate Methodologies	Completed	Completed
NCHRP 25-25/Task 36	Recurring Community Impacts	Completed	The final report has been submitted to AASHTO
NCHRP 25-25/Task 37	Effective Organizational Structures and Management Practices for Achieving Environmental Stewardship in Transportation Agencies	Completed	Final Report sent to AASHTO.
NCHRP 25-25/Task 38	Guide to Use of Tier I Environmental Impact Statements for Transportation Projects	Active	The draft final report has been received and is under review.
NCHRP 25-25/Task 39	Improving Project Environmental Cost Estimates	Completed	The project is completed and the final report has been submitted to AASHTO.
NCHRP 25-25/Task 40	New Noise Barrier Products & Noise Barrier Approval Research & Guidelines	Completed	Completed.
NCHRP 25-25/Task 41	Implementation of Community & Cultural Resource Commitments	Completed	This project is completed and the final report has been submitted to AASHTO.
NCHRP 25-25/Task 42	Determine alternative calculations for fine particulate emission factors other than AP-42 applicable to calculate re-entrained dust on transportation projects	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 43	Guidance on legal sufficiency criteria for adequate cumulative and secondary impacts analysis in EIS documents	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 44	Development and Implementation of a Transportation and Climate Change Clearinghouse	Completed	The draft clearinghouse structure and content is being reviewed.
NCHRP 25-25/Task 45	Transportation Program Responses to Greenhouse Gas (GHG) Reduction Initiatives and Energy Reduction Programs	Active	Research in Progress
NCHRP 25-25/Task 46	Compendium of Best Practices for Environmental Compliance and Stewardship at Transportation Maintenance Facilities	Active	Research in Progress
NCHRP 25-25/Task 47	Compendium of Best Practices for Incorporating Environmental Commitments into Transportation Project Construction Contract Documents	Completed	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 48	Compendium of Environmental Fieldwork Technologies	Active	Research in Progress
NCHRP 25-25/Task 49	Effective Practices for Considering Historic Preservation in Transportation Planning and Early Project Development	Active	Research in Progress. Preliminary draft final report received.
NCHRP 25-25/Task 50	Finding the Carrot Instead of the Stick - Incentive-based Approaches for Environmental Compliance	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 51	Asset Management of Environmental Mitigation Features	Completed	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 52	Informational Requirements for Jurisdictional Determinations to be Issued by the Army Corps of Engineers (Corps) Under the Clean Water Act (CWA)	Completed	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 53	Stormwater Treatment with Vegetated Buffer	Active	Research in progress, Preliminary draft final report under review
NCHRP 25-25/Task 54	Evaluate Colorado's Area-wide Cumulative Effects Assessment (ACEA) Methodology as a Mechanism for Cumulative Impacts Analysis of Regional Transportation Plans	Active	Research in progress, Interim report received.
NCHRP 25-25/Task 55	Design, Organize and Implement a Training Program for Mainstreaming Environmental Stewardship and Enhancement Activities into Planning and Project Development	Active	Research in progress
NCHRP 25-25/Task 56	Cost and Benefit of Transportation Specific MS4 and Construction Permitting	Active	Research in progress
NCHRP 25-25/Task 58	Methods to Address Greenhouse Gas Emissions from Transportation Construction/Maintenance/Operations Activities	Active	Research in progress
NCHRP 25-25/Task 59	Evaluate the Interactions between Transportation-Related Particulate Matter, Ozone, Air Toxics, Climate Change, and Other Air Pollutant Control Strategies	Active	Research in progress
NCHRP 25-25/Task 60	Increased Use of Environmentally Preferable, Non-Toxic Products to Reduce Costs, Liabilities, and Pollution at DOT Offices, Maintenance Facilities and Rest Stops	Active	Research in progress
NCHRP 25-25/Task 61	Best Practices for Establishing and Maintaining Statewide Cultural Resource Databases at State DOTs	Active	Research in progress
NCHRP 25-25/Task 62	Improving the Effectiveness of Outreach to Traditional and Non-Traditional Groups by Integrating the Expertise of Existing and Emerging Citizen Coalitions into Transportation Analysis and Decision Making	Active	Research in progress
NCHRP 25-25/Task 63	Transportation Corridor Environmental Management Framework	Active	Research in progress
NCHRP 25-27	Evaluation of the Use and Effectiveness of Wildlife Crossings	Completed
NCHRP 25-28	Predicting and Mitigating Hydroacoustic Impacts on Fish from Pile Installation	Active	Work is underway on the Phase 2 research plan.
NCHRP 25-29	Developing Design and Management Guidelines for Historic Road Corridors	Completed
NCHRP 25-29A	Guidelines for Design and Management of Historic Road Corridors	Active	Work is is progress on Phase II of the project.
NCHRP 25-30	Temporary Bridging to Avoid or Minimize Impacts to Waters and Wetlands During Highway Construction	Completed	The results of this study have been published in NCHRP Research Results Digest 330 .
NCHRP 25-31	Guidelines for Evaluating and Selecting Modifications to Existing Roadway Drainage Infrastructure to Improve Water Quality in Ultra-Urban Areas	Active	Work is underway on the initial tasks.
NCHRP 25-32	Enhanced Stormwater Treatment BMPs in Highly Urbanized Areas	Anticipated
NCHRP 25-33	Evaluation of the Methodologies for Visual Impact Assessments	Anticipated
NCHRP 70-01	Private-Sector Provision of Congestion Data	Completed

NCHRP - All Research Fields