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  • November 6th, 2025

The U.S. scientific enterprise has produced countless discoveries that have led to significant advances in technology, health, security, safety, and economic prosperity. However, concern exists that excessive, uncoordinated, and duplicative policies and regulations surrounding research are hampering progress and jeopardizing American scientific competitiveness. Estimates suggest the typical U.S. academic researcher spends more than 40 percent […]

  • November 6th, 2025

NCHRP Web-Only Document 428: Quality Management for Digital Model–Based Project Development and Delivery, from TRB’s National Cooperative Highway Research Program, addresses two key challenges for state departments of transportation and other highway agencies: the use of 3D models as a new way to review construction designs and the review of the 3D models themselves. Quality […]

  • October 24th, 2025

Lagging indicators in occupational safety and health are required reporting figures that provide an industry-standard metric to measure the number of employees injured annually or impacted by a recordable injury. Recognizing the weaknesses of traditional lagging indicators to proactively manage occupational safety, many organizations and industries have emphasized safety leading indicators; that is, metrics to […]

  • October 24th, 2025

The availability of large-scale, high-resolution, and consistently collected road data will improve the safety of all road users. The use of artificial intelligence (AI), machine learning (ML), and big data is key in providing the information needed to power data-driven, public, and proprietary safety analysis tools, as well as predictive and other systemic safety tools. […]

  • October 24th, 2025

This report explores drivers’ experiences of aggressive driving and road rage conveyed in focus group discussions and provides data on the prevalence of self-reported aggressive driving and road rage behaviors based on a survey of a representative sample of U.S. drivers. Aggressive Driving and Road Rage

  • October 24th, 2025

A new report from the Governors Highway Safety Association and Cambridge Mobile Telematics urges public officials to support and advance predictive analytics to prevent traffic deaths before they happen, marking a fundamental shift in how road safety is approached. With more than 200,000 deaths on U.S. roads since 2020, A Data-Driven Action Plan for Safer Roads presents […]

  • October 24th, 2025

Federal funding is key for many rural and tribal transit providers to meet their communities’ needs, especially the accessible transit needs of older adults and people with disabilities. These needs include accessing jobs, education, and essential services, such as medical appointments and groceries. GAO identified three Federal Transit Administration (FTA) grant programs that rural and […]

  • October 24th, 2025

This fact sheet contains information on fatal motor vehicle traffic crashes based on data from the Fatality Analysis Reporting System (FARS). Refer to the end of this publication for more information on FARS. 2023 State Traffic Safety Facts

  • October 24th, 2025

Demand response transportation (DRT) providers have consistently looked for operational designs and mechanisms to improve service efficiencies and lower operational costs. DRT services, which include ADA (Americans with Disabilities Act) complementary paratransit and general public DRT services, such as advance reservation dial-a-ride services and ondemand microtransit services, are inherently less efficient to operate due to […]

  • October 24th, 2025

Researchers, policymakers, practitioners, and transportation-industry leaders are exploring how additive manufacturing (commonly referred to as 3D printing) and construction technologies can accelerate innovation in transportation infrastructure. Among the impacts being evaluated are supply chains, logistics, infrastructure resilience, and workforce development. TRB Conference on Advancing Additive Manufacturing and Construction in Transportation