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Vehicles are evolving through automation and electrification. The National Academies assess safety standards, emissions, and technology integration to support a cleaner, smarter fleet.

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

Air Quality Inside Buses

2026

Low-Impact Frog Design Primer and Research Roadmap

2026

Public Transportation in Rural Areas and Tribal Communities: Guide for Service Improvements

2025

2025 Cooperative Research Programs Annual Report

2026

Public Transit Workforce Development for Zero-Emission Vehicles

2025

Featured work

Critical Issues in Transportation

Other

Intercity Passenger Travel: Opportunities and Issues in Short-haul Markets

Consensus/Advisory Activity

Powering the U.S. Army of the Future

Consensus/Advisory Activity

The Role of Public Transportation and Mobility Management in an Era of New and Expanding Shared Mobility Options

Consensus/Advisory Activity

Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles–Phase 3

Consensus/Advisory Activity

Truck Size and Weight Limits Research Plan

Consensus/Advisory Activity

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

Consensus/Advisory Activity

Research Methodologies and Statistical Approaches to Understanding Driver Fatigue Factors in Motor Carrier Safety and Driver Health

Consensus/Advisory Activity

Assessment of Technologies and Approaches for Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles, Phase 2

Consensus/Advisory Activity

Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles – Phase 2

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

Center for Advancing Science and Technology (CAST)

Oversight Unit

Transit Cooperative 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

Board on Army Research and Development (BOARD)

Standing Committee

Recently Completed

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