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 Paper-based load delivery tickets on highway construction projects are a cumbersome and outdated practice.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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PDF
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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This report is the initial Safety Management Plan for the Transportation Data Equity Initiative (TDEI) project, an effort funded by the Federal Highway Administration’s ITS4US Program. The project, led by the University of Washington’s (UW) Taskar Center for Accessible Technology and the Washington State Transportation Center, will develop a nation
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-11-26
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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. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-11-21
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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
2021-11-19
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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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This plan documents the transition of the New York City Connected Vehicle Pilot Deployment project from its Phase 3 operation to a shutdown state beginning January 4, 2022 whereby the City can certify that the lower 45 MHz of Dedicated Short Range Communications spectrum is no longer in use per the Federal Communication Commission’s Docket 19-138 F
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This document describes the Operational Capability Showcase Summary (OCSS) for the New York City Department of Transportation (NYCDOT) Connected Vehicle Pilot Deployment (CVPD) Project. As part of USDOT Connected Vehicle (CV) Pilot Deployment program, NYCDOT held the Operational Capability Showcase (OCS) as a virtual event on July 20, 2021. While i
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