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For this report, new mobility services are defined as innovative transportation services that redefine how people and goods move within the existing transportation system. Examples include micromobility (shared bikes and scooters), car-sharing, ride-hailing, microtransit, and modern goods delivery services. Revenue measures applied to new mobility services can help agencies that own and manage the transportation […]
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 […]
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 […]
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 […]
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 […]
Wrong-way crashes are rare, but often severe events. This brief serves as an update to previous Foundation work examining these crashes from 2010 to 2018. Using FARS data, updated wrong-way crash numbers are provided, previously cited risk factors were examined in relation to the more recent crash data, and potential new risk factors were explored. […]
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 […]
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 […]
The Department oversees and administers programs, policies, and regulations to ensure that our transportation system keeps traveling Americans safe while contributing to the Nation’s economic growth. Congress established the Department in 1966 to consolidate more than 30 transportation agencies and functions. DOT employees work across the country in the Office of the Secretary of Transportation, […]
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 […]