Safety is the very foundation of every transportation agency’s mission and enables the safe and efficient movement of road users across the country. While all transportation agencies (from State departments of transportation, to local, regional, and Tribal governments, to transit agencies) strive to guarantee safety for both their users and workers
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This tech brief highlights the research conducted by the Office of Safety Research and Development. The purpose of this research was to evaluate the appropriateness and applicability of infrared thermal imaging sensors for collecting vulnerable road user count data—under variable conditions—that can provide information for measuring exposure to cra
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
In the past, the Michigan Department of Transportation (MDOT) used a more traditional approach to transportation safety – placing responsibility for traffic safety on individuals and focusing on improving human behavior, controlling speeding through education and enforcement, and reacting based on crash history. However, like most States, fatal and
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This TechBrief provides an overview of the redesign of the Pavement Testing Facility (PTF) that has been in operation since 1986. The PTF was originally developed to generate accelerated pavement testing performance data related to design, rehabilitation, and the effect of increased loads, and to support the long-term research efforts of the Strate
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-06-01
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Urban Congestion Report (UCR)
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PDF
The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
This TechNote presents some of the successes of sprayed ultra-high performance concrete (UHPC) in Europe and the United States and discusses some of the challenges of using it, thus aiming to encourage and facilitate its adoption in the United States. This technology shows great promise, given its potential to lower UHPC placement costs and enable
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development
2024-06-01
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PDF
The primary objective of the study was to provide a qualitative analysis of asphalt binders that can determine consistency in binder supply, assess aging potential based on spectral changes with conditioning, and identify any potential modification of the binder.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-06-01
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Public Roads
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Transportation Cybersecurity: Changes and Developments Over the Last Decade - FHWA’s Human Factors Vehicle Automation Research - Garrett A. Morgan: The Man. The Inventor. The Inspiration. The Program - Collaborative Highway Asset Research: Integrated Sensor-Model Application (CHARISMA) - Smart Community Resource Center: Resources to Advance ITS Dep
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
Temporary lane shifts in roadway construction projects, essential for providing space for work activities, often create challenges for drivers, particularly for commercial motor vehicle operators of truck tractor-trailer combinations. Traditional lane shift deployments can lead to difficulties in maintaining lane positioning, resulting in vehicle e
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
This toolkit includes information references, agency policies, processes, and other resources and procedures that can help agencies overcome the obstacles limiting them from implementing separated bicycle lanes where users most require separation from motor vehicles: on higher speed roads. Despite their importance in higher speed contexts, installa
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The National Electric Vehicle Infrastructure (NEVI) program and the Charging and Fueling Infrastructure (CFI) program play a pivotal role in supporting public EVCI. This report delves into the challenges and characteristics of the EV market, the role of the public sector, rapid technological changes, uncertain revenue generation, risk allocation, a
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This report documents research to advance mechanistic models, performance analysis and evaluation, and design methodologies to aid agency efforts to understand asphalt pavement performance. The research team developed FlexMAT™ version 2.1 and FlexPAVE™ version 2.0 as the material-level and pavement-level analysis tools, respectively. FlexPAVE 2.0 i
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
Recognizing the imperative of enhancing efficiency, accuracy, collaboration, and adaptability, the New York State Department of Transportation (NYSDOT) acknowledges the necessity for a robust data management strategy. This strategy aims to facilitate the seamless exchange of information through digital-as-builts (DABs) during the transition to digi
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This report synthesizes information from a desk scan of bridge construction procedures and processes of participating State transportation agencies (DOTs) and summarizes the proceedings of a peer exchange discussing these topics. The peer exchange was held on December 5-6, 2023, in Nashville, Tennessee. Sessions of the peer exchange consisted of pr
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Part-time shoulder use (PTSU) has recently become an accepted active transportation and demand management strategy for periods of capacity-related congestion. When FHWA published Use of Freeway Shoulders for Travel—Guide for Planning, Evaluating, and Designing Part-Time Shoulder Use as a Traffic Management Strategy in 2016, there was a void in info
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United States. Department of Transportation. Federal Highway Administration. Central Federal Lands Highway Division
2024-06-01
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PDF
This document provides a guide to the Central Federal Lands standard procedure for calculating and representing earthwork volumes in the plans. Typically, earthwork representation in the plans includes the Grading Summary and cross sections. On larger jobs a Mass Haul Diagram will be included. This guide applies to both internal designers and A/E c
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United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
2024-06-01
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PDF
This fact sheet highlights the Minnesota Department of Transportation's (DOT’s) Clear Roads Winter Maintenance Research (Clear Roads) Transportation Pooled Fund (TPF) study is one of the winners of the inaugural 2024 TPF Excellence Awards. The Clear Roads study was selected from a competitive field of 11 applicants for its extensive collaboration w
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United States. Federal Highway Administration. Center for Accelerating Innovation
2024-06-01
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Innovator
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PDF
Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
Some industrial wastes (often called industrial byproducts, waste products, or waste materials) can be used as replacements for virgin aggregates or pozzolans, reducing the need for additional virgin material and saving landfill space that would otherwise be used for industrial waste disposal. These industrial wastes include fly ash from coal combu
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