United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-03-06
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Special Issue - Weekly Motor Fuel Report
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PDF
The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration
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The purpose of this document is to provide information to bridge owners on previous experience in conducting nondestructive testing (NDT) for a highway bridge constructed with American Association of State Highway and Transportation Officials M 270/M 244 (ASTM A514/517) 100 kilopounds per square inch steel.(1–4) These types of high-strength steel h
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Safety analysis primarily focuses on identifying and quantifying the influences of contributing factors to traffic collisions and the consequences of these factors. A practice of relying on observed data only allows relative comparisons between analysis methods and may not lead to determining how well the methods mimic the true underlying crash-gen
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Partially automated truck platooning is an emerging technology that allows heavy trucks to follow each other at close distances via automated speed control and direct wireless communications between vehicle systems. This technology, known as cooperative adaptive cruise control (CACC), allows vehicles to detect and respond rapidly to changes in the
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Connected and automated vehicle (CAV) technology has been driving multi-billion-dollar investments for over a decade now. While no agreement exists on the exact timeframe and capabilities of these systems, the transportation industry agrees that CAV adoption will eventually occur. Infrastructure owners and operators (IOOs) are making decisions now
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-03-01
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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.
United States. Department of Transportation. Federal Highway Administration
2024-03-01
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PDF
Welcome to the Transportation Pooled Fund (TPF) Program Quarterly Update. This update shares the latest information on the TPF Program including highlights, resources, announcements, open solicitations, and active studies. The TPF Program enables public and private entities to combine resources and subject matter expertise to address transportation
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This manual discusses the physical processes of the hydrologic cycle that are important to highway engineers. These processes include the approaches, methods, and assumptions applied in design and analysis of highway drainage structures. Hydrologic methods of primary interest are frequency analysis for analyzing rainfall and flow data; empirical me
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United States. Department of Transportation. Federal Highway Administration
2024-03-01
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PDF
In May 2021, the North Dakota Department of Transportation (NDDOT) together with the FHWA North Dakota (FHWA-ND) Division Office extended an invitation to the Mobile Asphalt Technology Center (MATC) to conduct a field site visit to an ongoing asphalt paving project. The MATC visit was focused on providing assistance on testing and evaluating some o
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-03-01
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Public Roads
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PDF
Innovative Density Profiling of Asphalt Pavement - Interchange Configurations: Planning-Level Analysis Tool Identifies Expected Safety Performance - Alternative Uses of the Right-of-Way - The New George Washington Memorial Parkway Byway - Speed Safety Cameras.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-03-01
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National Travel Time Dashboard: Interstate Highways
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PDF
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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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-03-01
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PDF
This TechBrief provides a summary/information about the following: Artificial pore solution (APS), The use of a highly alkaline solution, such as APS, has precedence in the construction industry, Selection of repeatable, responsible, and relevant QA/QC tests for concrete materials, The considerations necessary for scaling APS from small numbers of
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2024-03-01
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Pedestrian & Bike Forum Newsletter
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PDF
The Pedestrian and Bike Forum newsletter provides information to FHWA stakeholders on reducing the number of pedestrian- and bicycle-related highway fatalities and serious injuries. Topics include updates on FHWA programs, spotlights on State and local noteworthy practices, initiatives with partner organizations, and upcoming events. It is publishe
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United States. Department of Transportation. Federal Highway Administration
2024-03-01
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PDF
The Federal Highway Administration’s (FHWA) Turner-Fairbank Highway Research Center (TFHRC) is the premier center for infrastructure, operations, and safety highway research that advances innovations to benefit the traveling public. The facility houses 15 state-of-the-art laboratories that address some of the Nation’s most pressing transportation i
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United States. Department of Transportation. Federal Highway Administration
2024-03-01
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FHWA's Fostering Multimodal Connectivity Newsletter
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PDF
The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization, provide access to jobs, and achieve safer communities through support of accelerated project deliv
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A previous study involving a wind tunnel investigation of a stay cable found that rotating the cable along its longitudinal axis changed its wind-induced response, revealing that the slight eccentricity of the cross-sectional shape was influencing the response. The study speculates that surface deformation could have caused nonsymmetrical separatio
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-03-01
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PDF
Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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The purpose of this Guide is to help Long-Term Pavement Performance (LTPP) data users determine traffic parameters suitable for their analyses and identify LTPP tables containing such parameters. This Guide describes available tools and specific procedures for extracting these parameters from the LTPP database and provides practical examples with s
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