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Publications
A Performance-Based Geometric Design Process (NCHRP Report 839)
An Update to AASHTO’s Guidelines for Geometric Design of Very Low-Volume Local Roads (Incorporated into NCHRP 15-47, Draft transmitted to AASHTO in September 2016)
Guidelines for Implementing Managed Lanes (NCHRP Report 835)
Highway Capacity Manual, 6th Edition
Planning and Preliminary Engineering Guide to the Highway Capacity Manual (NCHRP Report 825)
Roundabout Practices (NCHRP Synthesis 488)
Estimating the Life-Cycle Cost of Intersection Designs (Excel(R) Spreadsheet and NCHRP Web Only Document 220)
Converting Paved Roads to Unpaved (NCHRP Synthesis 485)
Proposed Update of the AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities (NCHRP Project 15-45, Draft guide delivered to AASHTO)
Unsignalized Intersection Guide (developed under NCHRP 03-104, hosted and maintained by ITE with support by FHWA)
Performance-Based Analysis of Geometric Design of Highways and Streets (NCHRP 785)
Design Guidance for Intersection Auxiliary Lanes (NCHRP 780)
Evaluation of the 13 Controlling Criteria for Geometric Design (NCHRP 783)
Superelevation Criteria for Sharp Horizontal Curves on Steep Grades(NCHRP 774)
Evaluating the Performance of Corridors with Roundabouts(NCHRP 772)
Recommended Bicycle Lane Widths for Various Roadway Characteristics (NCHRP 766)
TRB Access Management Manual (developed under NCHRP Project 15-43)
Factors Contributing to Median Encroachments and Cross-Median Crashes (NCHRP 790)
Median Cross-Section Design for Rural Divided Highways (NCHRP 794)
Design Guidance for Channelized Right-Turn Lanes (NCHRP Web-Only Document 208)
Identification and Evaluation of the Cost-Effectiveness of Highway Design Features to Reduce Nonrecurrent Congestion (SHRP 2 L07-RR-01)
Guidelines for the Use of Mobile LIDAR in Transportation Applications (NCHRP Report 748)
Left-Turn Accommodations at Unsignalized Intersections (NCHRP Report 745)
Sag Vertical Curve Design Criteria for Headlight Sight Distance (NCHRP Web-Only Document 198)
Practical Highway Design Solutions (NCHRP Synthesis 443)
Design Guidance for High-Speed to Low-Speed Transition Zones for Rural Highways (NCHRP Report 737)
Design Guidance for Freeway Mainline Ramp Terminals (NCHRP Report 730)
Recent Roadway Geometric Design Research for Improved Safety and Operations (NCHRP Synthesis 432)
Tort Liability Defense Practices for Design Flexibility (NCHRP Legal Digest 57)
Quantifying the Benefits of Context Sensitive Solutions (NCHRP Report 642)
Guide for the Geometric Design of Driveways (NCHRP Report 659)
Guidelines on the Use of Auxiliary Through Lanes at Signalized Intersections (NCHRP Report 707)
Guidelines for Ramp and Interchange Spacing (NCHRP Report 687)
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Current Projects (Year and Quarter are approximate for availability)
Design Guidance for Interchange Loop Ramps (NCHRP 03-105, 2017 Q1)
Development of Performance-Based Geometric Design Content for the Next Edition of the AASHTO Green Book (NCHRP 20-07/374, 2017 Q3)
Guidelines for Designing Low- and Intermediate-Speed Roadways that Serve All Users (NCHRP 15-48, 2017 Q2)
Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation Projects (NCHRP 15-50, 2017 Q3)
Technical Updates and Editing for the 2017 Edition of the AASHTO Policy on Geometric Design of Highways and Streets (NCHRP 20-07/398A, 2017 Q4)
Developing a Context-Sensitive Functional Classification System for More Flexibility in Geometric Design (NCHRP 15-52, 2017 Q2)
Liability of State Departments of Transportation for Design Errors (NCHRP 20-06/22-02, 2017 Q3)
An Assessment of Safety and Geometric Design Criteria for Diverging Diamond Interchanges (being incorporated into NCHRP 03-113, 2017 Q4)
Proposed Update of the AASHTO Guide for the Development of Bicycle Facilities (NCHRP 15-60, 2017 Q4)
Operational and Safety Considerations in Making Lane Width Decisions on Urban and Suburban Arterials (NCHRP 03-112, 2018 Q2)
Horizontal Sightline Offset Design Criteria, Exceptions, and Mitigation Strategies (NCHRP 15-59, 2018 Q2)
Guidance to Predict and Mitigate Dynamic Hydroplaning on Roadways (NCHRP 15-55, 2018 Q3)
Guidelines for Selecting Ramp Design Speeds (NCHRP 15-56, 2018 Q3)
Guidance to Improve Pedestrian and Bicycle Safety at Intersections (NCHRP 15-63, 2018 Q4)
Guidelines for the Design of Unsignalized Median Openings in Close Proximity to Signalized Intersections (NCHRP 15-64, 2019 Q1)
Design and Access Management Guidelines for Truck Routes (NCHRP 15-62, 2019 Q2)
Guide for Pedestrian and Bicycle Safety at Alternative Intersections and Interchanges (A.I.I.) (NCHRP 07-25, 2019 Q4)
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