The Federal Highway Administration (FHWA) with the assistance of the Volpe Center Acoustics Facility finalized the Traffic Noise Model (TNM®) version 3.0. This step-by-step guide introduces users to some of the basic concepts in highway-related noise modeling by using TNM 3.0. It provides detailed steps to create a basic project with two roadways,
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This technical manual describes the Federal Highway Administration’s Traffic Noise Model (TNM®) Version 3.0. Chapter 2 describes the process of determining noise emissions and levels at a reference location 15 m (50 ft) from the traffic noise source. This includes: the geometric discretizing of the study in the horizontal plane into elemental trian
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-12-24
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ZIP
The Federal Highway Administration (FHWA) developed the innovative CARMASM Platform to encourage collaboration with the goal of improving transportation efficiency and safety. FHWA's interest in advancing Transportation Systems Management and Operations (TSMO) strategies with automated driving technology is focused on how infrastructure can move tr
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The successful deployment and operation of connected vehicle systems will require that devices, systems, and applications developed by different providers are compatible, interoperable, non-interfering, and in some instances, perhaps, interchangeable. Some devices, systems, and applications, such as active safety applications, may be required to me
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The successful deployment and operation of connected vehicle systems will require that devices and applications developed by different providers are compatible, interoperable, non-interfering, and in some instances, perhaps, interchangeable. Some devices, systems, and applications, such as active safety applications, may be required to meet minimum
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The successful deployment and operation of connected vehicle systems will require that devices, systems, and applications developed by different providers are compatible, interoperable, non-interfering, and in some instances, perhaps, interchangeable. Some devices, systems, and applications, such as active safety applications, may be required to me
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This report by The Cadmus Group, Inc. is the result of a contracted study and analysis of comparative and determinate sale price data of owner-occupied single-family residential dwelling (SFRD) units to facilitate the Federal Highway Administration’s (FHWA) consideration of whether there is a need to continue the Temporary Waiver of Methodology for
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2019-12-17
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PDF
Travelers depend on the U.S. transportation system every day to meet commitments for work and friends and family, acquire/deliver goods and services, and respond to emergencies. If the system operates as expected and enables travel within a predictable amount of time, we can rely on it. When it doesn't, we can't. This lack of reliability affects ou
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2019-12-17
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FHWA Highway History Website Articles
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PDF
In November 1956, the American Municipal Association (AMA) and the American Association of State Highway officials (AASHO) formed a Joint Committee on Highways to help advance the expanded highway program by gathering a wider range of urban data than was available and to cooperate with highway and city officials. On January18, 1962, the AMA-AASHO C
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2019-12-12
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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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This report describes the approach and procedures that the Texas A&M Transportation Institute (TTI) Evaluation Team plans to use in performing a national assessment of the potential benefits associated with extrapolating the safety, mobility, environment, and public agency (SMEP) results from the three connected vehicle (CV) pilot deployments—Wyomi
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There is a widespread recognition and desire need by agencies and asphalt paving industry to use performance testing to complement volumetric properties and help ensure satisfactory asphalt pavement performance. Accordingly, there has been several initiatives throughout the nation to develop Performance Engineered Mixture Design (PEMD) processes fo
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While the second Strategic Highway Research Program (SHRP2) Roadway Information Database (RID) was designed to link to SHRP2 Naturalistic Driving Study data, the level of coverage and accuracy of its mobile data, combined with the inclusion of supplemental data from existing sources, makes the RID a powerful stand-alone database as well. The RID as
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This report summarizes the work under FHWA contract DTFH6117P00139 to critically evaluate the standard data format for two-dimensional/three-dimensional (2D/3D) pavement surface images. First, the standard data format was clarified as a container-codec format, which meets the state of the practice of using 2D/3D images for pavement condition evalua
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The Fixing America's Surface Transportation Act or "FAST Act" established the Advanced Transportation Congestion Management Technologies Deployment (ATCMTD) Program to make competitive grants for the deployment of advanced transportation technologies. The legislation also mandates reporting requirements for the grantees, including data on the benef
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-12-01
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PDF
The Federal Highway Administration’s (FHWA) Safety Compass newsletter aims to increase highway safety awareness and to provide resources to the highway safety community to help save lives. The newsletter is published three times a year, and includes articles on safety-focused offerings from FHWA, other DOT modes; our State, Local, and Tribal partne
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The opportunity to work on leading-edge transportation research in world-class facilities with top-notch experts might sound like a dream for some postdoctoral candidates pursuing a transportation related career in business, academia, or government. For these doctoral candidates, their dream can become a reality if they become a research associate
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The objective of this project is to demonstrate and motivate the use of regional travel demand models in an exploratory/experimental manner, as opposed to the traditional single point predictive approach, specifically for analyzing the impacts of new technology. The study contributes to our understanding of the impact that the rapid technological e
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-12-01
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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. Office of Highway Policy Information
2019-12-01
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PDF
On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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