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National Cooperative Highway Research Program

Reports by the National Cooperative Highway Research Program (listed by most recent release)

Viewing 1 -10 of 1,016

Rehabilitation of Culverts and Buried Storm Drain Pipes (2022)

Guidelines for Treatments to Mitigate Opposite Direction Crashes (2022)

Design Guidelines for Test Level 3 through Test Level 5 Roadside Barrier Systems Placed on Mechanically Stabilized Earth Retaining Walls (2022)

Consideration of Roadside Features in the Highway Safety Manual (2022)

Subsurface Drainage Practices in Pavement Design, Construction, and Maintenance (2022)

Guidebook for Effective Policies and Practices for Managing Surface Transportation Debt (2022)

Practices for Ensuring the Smoothness of Concrete Bridge Decks (2022)

Metropolitan Planning Organizations: Strategies for Future Success

Metropolitan Planning Organizations: Strategies for Future Success (2022)

Highway Safety Manual User Guide

Highway Safety Manual User Guide (2022)