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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
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	Active
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	Active
NCHRP 01-44	Measuring Tire-Pavement Noise at the Source	Active
NCHRP 01-45	Models for Estimating the Effects of Pavement Condition on Vehicle Operating Costs	Active
NCHRP 01-46	Development of an AASHTO Pavement Handbook	Anticipated	In development
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	Active
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	Active
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	Active
NCHRP 03-60	Capacity and Quality of Service of Interchange Ramp Terminals	Active
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	Active
NCHRP 03-76A	Highway Traffic Signal Warrant For Intersections Near Highway-Rail Grade Crossings	Active
NCHRP 03-76B	Low-Cost Active Warning Systems for Highway-Rail Grade Crossings	Active
NCHRP 03-77	Guide to Contracting Intelligent Transportation System Projects	Completed
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 03-80	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	Active
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	Pending
NCHRP 03-89	Design Guidance for Channelized Right-Turn Lanes	Pending
NCHRP 03-90	Operation of Traffic Signal Systems in Oversaturated Conditions	Pending
NCHRP 03-91	Left-Turn Accommodations at Unsignalized Intersections	Pending
NCHRP 03-92	Production of the Year 2010 Highway Capacity Manual	Active
NCHRP 03-93	Automated Enforcement for Speeding and Red Light Running	Pending
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	Active
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
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
NCHRP 04-35	Improved Test Methods for Specific Gravity and Absorption of Coarse and Fine Aggregate	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
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	Active
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	Active
NCHRP 07-16	Recommended Revisions to the AASHTO Guidelines for Traffic Data Programs	Active
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	Active	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	Active	Research in progress
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	Completed	Completed
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	Research in progress; time extension to 11/30/06 requested
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	Completed	Completed
NCHRP 08-36/Task 58	Best Practices for State and MPO NHS and STP Programming	Completed	Completed
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	Active	Research in progress
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	Active	In development
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	Active	Research in progress
NCHRP 08-36/Task 67	Best Practices in Using Programmatic Investment Strategies in Statewide Transportation Plans	Active	Research in progress
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 70	Scoping Study for Statewide Travel Forecasting National Model	Active
NCHRP 08-36/Task 71	Disclosure Avoidance Techniques to Improve ACS Data Availability	Active	Research in progress
NCHRP 08-36/Task 72	Implementing Project Cost Estimation and Management Process Improvements	Active
NCHRP 08-36/Task 73	Adding Resilience to the Freight System in Statewide and Metropolitan Transportation Plans: Developing a Conceptual Approach	Pending
NCHRP 08-36/Task 74	Customer Research Practices and Applications in Transportation	Active	Research in Progress
NCHRP 08-36/Task 75	Research Finders	Active	Research in progress
NCHRP 08-36/Task 78	Small Community Research and Peer Exchange	Active	Research in Progress
NCHRP 08-36/Task 79	Scoping Study for a Freight Data Exchange Network	Active	Research in Progress
NCHRP 08-36/Task 80	Synthesis of State Practices in Developing Linear Referencing Systems	Pending	Contract Pending
NCHRP 08-36/Task 81	Enhancing the American Community Survey Data as a Source for Home-to-Work Flows	Active	Research in Progress
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	Pending
NCHRP 08-36/Task 86	Corridor Approaches to Integrating Land Transportation and Land Use	Pending
NCHRP 08-36B	Research for the AASHTO Standing Committee on Planning	Pending
NCHRP 08-37	Standardized Procedures for Personal Travel Surveys	Active
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	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	Active
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
NCHRP 08-56	Truck Noise-Source Mapping	Active
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
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
NCHRP 08-62	Transportation Performance Management Programs--Insight from Practitioners	Active
NCHRP 08-63	Review of Canadian Experience with Large Commercial Motor Vehicles	Active
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	Pending
NCHRP 08-66	Trip-Generation Rates for Transportation Impact Analyses of Infill Developments	Pending
NCHRP 08-67	Integrating Individual Transportation System-Level Performance Programs to Determine Network Performance	Pending
NCHRP 08-68	Citizen�s Guide and Discipline-Specific Professionals� Guide for Context-Sensitive Solutions in Transportation	Pending
NCHRP 08-69	Supplement to the AASHTO Transportation Asset Management Guide: Volume 2 - A Focus on Implementation	Active	Research in Progress
NCHRP 08-70	Target-Setting Methods and Data Management To Support Performance-Based Resource Allocation by Transportation Agencies	Active
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
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
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
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
NCHRP 09-31	Air Void Requirements for Superpave Mix Design	Completed
NCHRP 09-33	A Mix Design Manual for Hot Mix Asphalt	Active
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
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
NCHRP 09-39	Procedure for Determining Mixing and Compaction Temperatures of Asphalt Binders in Hot Mix Asphalt	Active
NCHRP 09-40	Optimization of Tack Coat for HMA Placement	Active
NCHRP 09-41	Performance and Maintenance of Permeable Friction Courses	Active
NCHRP 09-42	History of Superpave: Documenting the Research Program and Implementation Process	Active
NCHRP 09-43	Mix Design Practices for Warm Mix Asphalt	Active
NCHRP 09-44	Developing a Plan for Validating an Endurance Limit for HMA Pavements	Active
NCHRP 09-45	Test Methods and Specification Criteria for Mineral Filler Used in HMA	Active
NCHRP 09-46	Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content	Active
NCHRP 09-47	Engineering Properties, Emissions, and Field Performance of Warm Mix Asphalt Technologies	Active
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
NCHRP 10-58(02)	Using Contractor-Performed Tests in Quality Assurance	Active
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 10-62	Acceptance Tests for Surface Characteristics of Steel Strands in Pre-Stressed Concrete	Active
NCHRP 10-63	Heat-Straightening Repair of Damaged Steel Bridge Girders: Fatigue and Fracture Performance	Completed
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	Active
NCHRP 10-66	Predicting In-Service Performance of Flexible Pavements from Accelerated Pavement Testing	Completed
NCHRP 10-67	Texturing of Concrete Pavements	Active
NCHRP 10-68	Guidelines for the Use of Highway Pavement Warranties	Active
NCHRP 10-69	Guidelines for Dowel Alignment in Concrete Pavements	Active
NCHRP 10-70	Cost-Effective Connection Details for Highway Sign, Luminaire, and Traffic Signal Structures	Active
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	Pending
NCHRP 10-75	Guide for Pavement-Type Selection	Pending
NCHRP 10-76	Methodologies for Evaluating Pavement Strategies and Barriers for Noise Mitigation	Pending
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 - All Research Fields