United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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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.
United States. Federal Highway Administration. Office of International Programs
2022-06-01
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PDF
Improving mobility and managing congestion has been a top focus area for the Federal Highway Administration (FHWA) Office of Operations and the Office of International Programs (HPIP) for several decades. HPIP’s scans of Sweden, Germany, the Netherlands, England, and other countries have yielded information on several effective congestion managemen
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This document is a technical summary of the Federal Highway Administration report Assessment of Federal Highway Administration Highway Project Cost Estimation Tools. This document shows how the Federal Highway Administration (FHWA) and the Office of Federal Lands Highway (FLH) oversee and/or develop cost estimations for transportation construction
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Little is known about how driving performance and attention change over time with increased automation. The current study assessed the effect of varying levels of vehicle automation on driver performance over time. Participants gained experience with advanced driver assistance systems (ADAS) across four sessions in the driving simulator. The specif
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This report provides a roadmap to details contained in four TOSCo Phase 2 detailed reports that focus on specific aspects of the four key technical objectives undertaken in the TOSCo Phase 2 Project. The four key technical objectives that the project team focused their efforts on in the project were: 1. Implement TOSCo vehicle algorithm in vehicles
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The primary objective of this document is to explore a series of techniques to inhibit the corrosion of existing reinforcement in conventional concrete bridge decks prior to installing an overlay, with an emphasis on UHPC overlays. The secondary objective is to assess the bond strength between the overlay and the concrete substrate in the presence
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This report presents the results of a limited analysis of the safety applications deployed in the Wyoming Department of Transportation Connected Vehicle Pilot site. This deployment included the vehicle-to-vehicle forward collision warning (FCW) application and three vehicle-to-infrastructure (V2I) applications that provided advisories, roadside war
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2022-06-01
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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 Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2022-06-01
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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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Congestion and safety at smaller but critical intersections using the modern roundabout (MRB) design principles are common problems today. The mini-roundabout was developed and has been deployed at hundreds of intersections across the United States to address such problems!
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
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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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2022-06-01
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PDF
The second Strategic Highway Research Program (SHRP2) developed data and analysis tools to improve the measurement and management of travel time reliability by transportation practitioners. The SHRP2 Program provided funding to help agencies test the tools and incorporate reliability into their business practices.
This report examines Long-Term Pavement Performance (LTPP) database users’ needs for traffic data and parameters and the extent of traffic data availability in the LTPP database. It identifies and recommends new analysis-ready traffic parameters and traffic data–usability indices for inclusion in the LTPP database. This report also presents a metho
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Ultra-high performance concrete (UHPC) overlays are beginning to be recognized as a viable solution for bridge deck preservation. To accommodate construction sequencing during installation, vertical cold joints between UHPC pours are often unavoidable. Furthermore, the formwork and detailing used at these cold-joint locations are not yet standardiz
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