Geometric Design Publications
- AASHTO Highway Safety Manual
- Access Management Manual
- Benefits of Access Management Brochure
- Impact of Shoulder Width and Median Width on Safety (NCHRP Report 633) [PDF, 1.58 MB]
- Improved Procedures for Cost-Effectiveness Analysis of Roadside Safety Features (NCHRP Report 492) [PDF, 707.6 KB]
- Interactive Highway Safety Design Model (IHSDM) Library
- Median Intersection Design for Rural High-Speed Divided Highways (NCHRP Report 650) [PDF, 12.1 MB]
- Mitigation Strategies for Design Exceptions – July 2007 (ARCHIVED) [HTML] [PDF - 8.71 MB]
- NCHRP Project 15-22, “Safety Consequences of Flexibility in Highway Design”
- NCHRP Project 15-31, “Design Guidance for Freeway Mainline Ramp Terminals”
- NCHRP Report 480 “A Guide for Best Practices for Achieving Context Sensitive Solutions”
- NCHRP Report 486: Systemwide Impact of Safety and Traffic Operations Design Decisions for 3R Projects [PDF, 404 KB]
- NCHRP Report 502: Geometric Design Consistency on High-Speed Rural Two-lane Roadways
- NCHRP Report 500 Volume 7: A Guide for Reducing Collisions on Horizontal Curves
- Roundabouts: An Informational Guide, Second Edition (NCHRP Report 672) [PDF, 24.25 MB]
Last updated: Tuesday, May 16, 2023