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Road Transportation

Road transportation underpins economic activity and everyday life. The National Academies explore traffic safety, infrastructure design, and technology to make roads safer and more resilient.

What's happening

Video Recordings from TRB Annual Meeting Now Available

Announcement

The 2026 TRB Annual Meeting brought together thousands of transportation researchers, practitioners, and policymakers to share current research and discuss pressing issues across all transportation modes. Watch sessions featuring high-profile speakers focused on the surface transportation funding reauthorization bill, megaprojects, road safety, and modernizing transportation systems.

Tackling the Road Safety Crisis: Saving Lives Through Research and Action — New Report Sep 24, 2024 Media Advisory

Featured Publications

Pedestrian Safety Enhancements by State DOTs

2026

Recommended Procedures for the Safety Performance Evaluation of Highway Features

1993

Strategies to Improve Reporting of Impaired and Distracted Driving in Motor Vehicle Crashes

2026

Evaluating the Safety Effects of Automated Traffic Signal Performance Measures

2026

Crash Modification Factors for Automated Traffic Signal Performance Measures

2026

Featured work

Transit Research Analysis Committee

Other

Study on Data, Metrics, and Analytic Tools for Transportation Investments that Support Family Quality of Life and Communities

Consensus/Advisory Activity

Review of Approaches for Managing Pollutant Loads in Highway Stormwater Runoff

Consensus/Advisory Activity

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Review of Federal Highway Administration Infrastructure R&D

Consensus/Advisory Activity

Future Interstate Highway System Study

Consensus/Advisory Activity

Review of the Compliance, Safety, Accountability Program of the Federal Motor Carrier Safety Administration

Consensus/Advisory Activity

Review of Federal Highway Administration Infrastructure R&D - Expert Task Group on Pavements

Consensus/Advisory Activity

Upcoming events

Units

Transportation Research Board Executive Office

Oversight Unit

Behavioral Traffic Safety Cooperative Research Program

Oversight Unit

National Cooperative Highway Research Program

Oversight Unit

TRB Consensus and Advisory Studies Division

Oversight Unit

Technical Activities Division

Oversight Unit

Transportation Research Board (TRB)

Oversight Unit

Cargo train transportation - Freight railway. Used for TRB

Board on Human-Systems Integration

Standing Committee

Committee on Geological and Geotechnical Engineering

Standing Committee

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