A Safe System starts with quality data. Data-driven safety analysis (DDSA) is essential to making sound decisions on the safety, design, and operations of roadways for all road users. The Model Inventory of Roadway Elements Version 2.1(MIRE 2.1) is the latest guideline resulting from two decades of Federal safety data policy and national best pract
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The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of California HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1991–2017) are available on request from the virtual HSIS
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The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of Charlotte HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (2004–2017) are available upon request to the virtual HSIS L
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This manual explains the fundamental concepts of structural design with ultra-high performance concrete (UHPC) as covered in the AASHTO Guide Specifications for Structural Design with UHPC. The manual includes a basic overview of the learning objectives associated with the Structural Design with UHPC Workshop initially developed and delivered by FH
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The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of Illinois HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1985–2017) are available on request from the virtual HSIS La
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United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This factsheet summarizes emerging practices for planning, designing, and implementing NBS. FHWA published an Implementation Guide in 2019 to help transportation practitioners understand how and where to use NBS for highway resilience to protect coastal roads and bridges from flooding, erosion, storm surge, and sea level rise. In 2021, FHWA conduct
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This TechNote provides an overview of the research that was conducted to study early-age and long-term material properties and complete multiscale durability investigations. Guidance for alternative cementitious materials (ACM) selection and mixture design for use in transportation infrastructure, including highway structures and rigid pavements, w
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The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of Minnesota HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1985–2017) are available on request from the virtual HSIS L
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United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-08-01
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Fast Lane - Exploring Human Behavior
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The Human Factors Team biannual highlights cover past, current, and planned future research being conducted at the Turner-Fairbank Highway Research Center.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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PDF
The Federal Highway Administration (FHWA) and the National Highway Traffic Safety Administration (NHTSA) published the Speed Safety Camera Program Planning and Operations Guide in 2023. This checklist, based on the guide, provides a high-level list of steps and considerations for State and local practitioners who are developing a program for implem
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Highway agencies are demonstrating significant interest in enhancing the quality assurance of asphalt pavement compaction by initiating the Transportation Pooled Fund project TPF-5(443). This pooled fund explores a nondestructive testing technology known as the density-profiling system (DPS). Currently, compaction assessment relies on field coring,
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This TechBrief highlights the efforts of the research team, that conducted a multiyear research project for the Federal Highway Administration (FHWA). It focused on evaluating how converting from conventional intersections to alternative intersections affects safety and operational performance. This research may be of interest to transportation pra
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This document is an updated concept of operations (ConOps) for developing a snowplow adaptive route optimization (ARO) solution incorporating insights from transportation agencies that reviewed the first version. The information in this ConOps supports systems engineering for creating an ARO capability or tool that incorporates real-time and histor
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-08-01
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National Travel Time Dashboard: Interstate Highways
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The Monthly Urban Congestion Report (UCR) provides a state-level overview of traffic congestion and reliability trends on Interstate highways. Published every month, the report compares data from the most recent month with the same month in the previous year. It uses travel time data from the Federal Highway Administration’s National Performance Ma
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This report explains in detail how to use the modified compression field theory (MCFT) for shear load rating of pretensioned concrete members. The report includes a summary of MCFT theory and application, possible shear failure mechanisms that may occur in pretensioned members, and a recently recommended methodology for an iterative process for usi
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United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This post card is to congratulate the winners of the of the Inaugural 2024 TPF Excellence Awards. Administered by FHWA and AASHTO, the TPF Excellence Awards recognize TPF studies that demonstrate the power of collaboration, add value to the transportation industry, and advance research and innovation.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This fact sheet provides an overview of the Multidisciplinary Data Management Support. The Multidisciplinary Data Management Support (MDMS) project supports Federal Highway Administration (FHWA) Federal and contract project managers in managing their data and current FHWA-sponsored projects and in archiving project data for future use. The purposes
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-08-01
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Collecting and reporting Nonmotorized travel is growing in importance due to the significant efforts being made to encourage investment and use of more active modes of transportation (e.g., walking, biking, scootering, battery-powered devices). It is, therefore, important to be able to track changes in walking, biking, scootering, etc. that result
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The current program of Quality Assurance Stewardship Reviews was established by the Federal Highway Administration (FHWA) in fiscal year (FY) 2003 to assess agency quality assurance (QA) practices. By the end of 2017, all 52 State highway agencies (SHA) including Puerto Rico and the District of Columbia had undergone at least one review. This Summa
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An overarching goal of road corridor projects is to reduce traffic delays and improve safety for all users, including drivers, pedestrians, cyclists, and delivery vehicles. Doing so often involves changing the way road users access sites along the road, such as by removing or relocating driveways; adding medians, turning restrictions, service and f
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