United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-03-14
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PDF
The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-03-12
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PDF
The Weekly 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 Adminis
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2021-03-11
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PDF
This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-03-07
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PDF
The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by
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The Highway Safety Improvement Program (HSIP) is a core Federal-aid highway program with the purpose to achieve significant reductions in fatalities and serious injuries on all public roads. States implement the HSIP using various safety management approaches to identify, develop, prioritize, and select HSIP projects. State Departments of Transport
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This report presents the methodology and results of the performance measurement and evaluation of the Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle Pilot Deployment. The study evaluated the deployment of CV technology in six use cases to address mobility and safety issues in specific areas of downtown Tampa, Florida. The study im
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-03-05
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PDF
The Weekly 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 Adminis
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United States. Federal Highway Administration. Office of Bridges and Structures
2021-03-03
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PDF
This Technical Brief (TechBrief) provides programmatic and technical considerations for understanding the interaction of limit states and scour depths in foundation design related to provisions of the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications.
This report presents the results of a multiphase research effort, which involved a comprehensive literature review, engagement with highway infrastructure owners and operators (IOOs), and interviews with industry experts and key stakeholders to document the potential impact of automated vehicles (AVs) on highway infrastructure. The study attempts t
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The purpose of this study is to gain a deeper understanding of the factors influencing traveler decisions about driving or taking a shared ride, including learning about the tradeoffs among desired features of different travel options and trip price. The study seeks to understand whether mode-shifting incentives and disincentives could be applied t
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-03-01
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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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United States. Department of Transportation. Federal Highway Administration
2021-03-01
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PDF
This manual has been developed to provide construction project personnel with information and guidance for field activities relating to materials. This manual complements the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects (FP). When the guidelines or directions set forth in this manual conflict with an FLH
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In 2019, the Federal Highway Administration (FHWA) authorized a research and synthesis study to document the progress and direction toward achieving nationwide electronic toll collection (ETC) interoperability. This report discusses the results of that study and identifies current efforts toward nationwide interoperability, challenges to overcome,
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This user manual provides directions and step by step processes for using the Coupled Model Intercomparison Project (CMIP) on-line software tool. The CMIP Tool takes Localized Constructed Analogs (LOCA) downscaled CMIP5 data and processes the information into statistical and other variables that can be used in planning and design with greater ease.
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A successful and proactive preservation scheme (featuring the combined use of SMA, OGFC, and micro-milling) has proven itself as a cost-effective pavement strategy for the Georgia DOT in providing safety and longevity on many of its interstate roadways.
Environmental Product Declarations (EPDs) are developed by the producers of construction materials as tools that communicate the environmental impacts of material production. In recent years, State Departments of Transportation (DOTs), as well as other State and local government agencies, have expressed interest in using EPDs. This document is an e
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The purpose of the Countermeasure Service Life Guide is to provide transportation practitioners with the necessary information to make consistent, data-driven decisions for evaluating and prioritizing safety countermeasures using prescribed countermeasure service lives. The target audience includes transportation professionals implementing safety s
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2021-03-01
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Public Roads
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PDF
Public Roads is the quarterly magazine of the Federal Highway Administration (FHWA). Reading Public Roads is the easiest way to keep up-to-date on developments in federal highway policies, programs, and research and technology. More specifically, the magazine "covers" advances and innovations in highway/traffic research and technology, critical nat
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The monthly webinar series serves as a collective experience with the goal of sharing more about the adoption of various NDE technologies by State departments of transportation (DOTs), and current projects, challenges, and best practices.
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