United States. Department of Transportation. Federal Highway Administration. Office of Operations
2021-12-01
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Urban Congestion Report (UCR)
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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.
The Exploratory Advanced Research (EAR) Program addresses the need for longer term, higher risk research with the potential for transformative improvements to transportation systems. The EAR Program seeks to leverage expertise and advances in science and engineering to create breakthrough solutions to critical transportation issues. Broad scientifi
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United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2021-12-01
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The V2X Hub project seeks to build on existing open-source software (OSS) applications for communication among all parts of a connected deployment, including vehicles, infrastructure, pedestrians, cyclists, and emergency services, to create an interoperable software environment for V2X research and deployment.
This is one of five case studies highlighting FHWA’s Every Day Counts initiative known as Targeted Overlay Pavement Solutions (TOPS). The purpose of TOPS is to integrate innovative overlay procedures into practices to improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Reflective cracking can be a concern for reh
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2021-12-01
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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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The Federal Highway Administration's Long-Term Bridge Performance (LTBP) program issues a quarterly newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, and data analysis.
Highly modified asphalt (HiMA) is an asphalt mixture containing asphalt binder that is typically modified with 7 to 8 percent polymer. Styrene-butadiene-styrene is most commonly used and is more than twice what is typically used in conventional polymer-modified binders. By increasing the polymer content, the structure changes to a swollen polymer w
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e-Construction practice highlights the drive toward paperless construction. Paper-based load delivery tickets on highway construction projects are a cumbersome and outdated practice. Collecting paper tickets from haul vehicles exposes construction inspectors and contractor personnel to safety hazards in work zones. Paperbased ticketing is a linear
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United States. Department of Transportation. Federal Highway Administration
2021-12-01
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Realty Digest
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The Federal Highway Administration's (FHWA) Office of Real Estate Services Newsletter is a resource which is intended to provide right-of-way professionals with the latest best practices, research results, training information, and information on policy and regulatory updates to ensure that Federal, State and local right-of-way program delivery is
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The Federal Highway Administration (FHWA) Global Benchmarking Program (GBP) supports access, evaluation, and implementation of proven, global technology innovations and best practices that can improve highway transportation in the United States. The GBP Building Information Modeling for Infrastructure1 (referenced as BIM below) study documents how
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The Federal Highway Administration (FHWA) staff and our consultants regularly provide technical assistance and training to State departments of transportation (DOT). Through these interactions, we have determined that many transportation professionals view natural river functions, such as channel shifting and sediment movement, as important design
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During the last 20 yr, the Federal Aviation Administration made significant efforts to develop one of the most comprehensive specifications to prevent alkali-silica reaction (ASR) in new construction [see the Advisory Circular (AC) 150/5370-10H, Item P-501]. The AC was effective, to a large extent, in preventing ASR in new airport pavements during
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
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2021-12-01
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Cooperative driving automation (CDA) enables communication and cooperation between vehicles with driving automation features, other road users, and transportation infrastructure.1 CDA has the power to solve or mitigate many existing transportation issues such as safety, emissions, and fuel consumption. A low-cost approach to testing CDA features is
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United States. Department of Transportation. Federal Highway Administration
2021-12-01
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PDF
The VOICES project aims to create a platform for facilitating collaboration on future surface transportation automation and connectivity technologies that have the potential to significantly benefit the safety, efficiency, and environmental impacts of transportation. A diverse group of stakeholders will design, build, test, and evaluate the perform
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United States. Federal Highway Administration. Center for Accelerating Innovation
2021-12-01
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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.
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 purpose of this report is to provide a full description of all planned outreach efforts for all phases of the California Association for Coordinated Transportation ITS4US Deployment Project. The overarching outreach goals of this project are to encourage adoption of data and procurement guidelines or usage of sponsored technologies and to conne
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This report provides an overview of all project plans that involve the use of human subjects and the scope of those plans. It details this project’s work with the Institutional Review Board (IRB) that will review and approve all human subject use and lists the specific vulnerable populations that may be engaged in the research. The goal purpose of
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-11-28
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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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