Category: Safety Topics

Perceptions of and Experiences with Advanced Driver Assistance Systems Among New and Used Vehicle Purchasers, Renters, and Borrowers

  • June 29th, 2026

Advanced Driver Assistance Systems (ADAS) comprise several different vehicle technologies that work independently and in concert to warn drivers of potential safety hazards, take action to prevent or mitigate a collision, or to provide continuous driving support. It is important for drivers of ADAS-equipped vehicles to understand these technologies and use them appropriately. Although used […]

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Trends in U.S. Drivers’ Perceptions and Attitudes Toward Vehicle Automation, 2019–2025

  • June 29th, 2026

Advances in automotive technology aim to enhance traffic safety beyond the capabilities of earlier vehicles. Vehicle technologies have progressed from basic assistance systems to higher levels of automation, including services like robotaxis. As these technologies continue to develop, it is essential to understand how drivers’ perceptions and attitudes toward these systems are evolving. Examining these […]

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Managing Highway Stormwater Quality: Driving Progress 2026

  • June 29th, 2026

Our roads are both a source of and a conveyance system for pollutants to bodies of water via stormwater runoff. TRB Special Report 360: Managing Highway Stormwater Quality: Driving Progress focuses on engineering and infrastructure strategies to support state departments of transportation (DOT) decision-making regarding stormwater management approaches to comply with regulations. Administered by the […]

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How to Prepare and Execute Performance Based Contracts for Road Asset Management

  • June 29th, 2026

The Guidelines How to Prepare and Execute Performance Based Contracts for Road Asset Management – Interactive PDF For Basic PBC & Advanced Users, offer a comprehensive tool to support the introduction of PBCs. Taking into consideration the wide range of sector maturity across regions, the Guidelines are organized into two workstreams—basic and advanced—so they can […]

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Developing the Fourth Edition of the Transit Capacity and Quality of Service Manual 2026

  • June 29th, 2026

Throughout its more than 25-year history, the Transit Capacity and Quality of Service Manual (TCQSM) has compiled the state of the practice based on peer-reviewed research published by the Transportation Research Board and others. The TCQSM provides transportation practitioners of varying levels of experience and responsibility information, techniques, and resources to support the planning, design, and operation […]

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Intelligent Speed Assistance: A New Tool for Safer Roads

  • June 29th, 2026

Speeding remains one of the most persistent and deadly threats on U.S. roadways. GHSA has produced a comprehensive new guidebook to help states use Intelligent Speed Assistance technology to combat this preventable behavior. The guidebook details steps and actions for State Highway Safety Offices (SHSOs) to help support and advance the adoption of active Intelligent […]

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Federal Workplace Charging Program Guide

  • June 9th, 2026

This program guide is designed to support federal agencies developing and refining workplace charging programs for employee POVs. While it provides guidance and best practices, it does not replace agencywide policies or agency-specific legal counsel. This document contains a roadmap for agency workplace charging programs and defines roles and responsibilities. For example, it recommends that […]

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Addressing Liability Issues of Proactive Safety Improvements

  • June 9th, 2026

State and local transportation agencies increasingly rely on proactive safety analysis to inform roadway design and improvement decisions before crashes occur. However, uncertainty regarding the potential use of proactive safety methodologies, manuals, and guidance in tort litigation has raised concerns about increased exposure to liability. Addressing Liability Issues of Proactive Safety Improvements

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Evaluation of Motorcycle Helmet Test Procedures

  • June 9th, 2026

Motorcycle helmets, specifies minimum performance requirements for helmets designed for use by motorcyclists and other motor vehicle users. FMVSS No. 218 includes three performance test types that have remained largely unchanged since it was first published in 1973: an impact attenuation test, a penetration test, and a retention system test. In 2013 NHTSA initiated a […]

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