FHWA's Localized Bottleneck Reduction Initiative (LBR) program focuses attention on mitigating the operational causes of recurring congestion "hot spots" (i.e., traffic bottlenecks) at ramps, merges, lane drops, intersections, weaves, etc. One of the efforts of the LBR program is to encourage agencies to adopt a defined, "named" annualized spot-con
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This document represents the "State of the Practice" with respect to all aspects of accelerated bridge construction (ABC). The intent of this manual is to fill in the gaps left by publication of the previous manuals. The manual covers ABC techniques, project planning and scoping, implementing ABC in a Transportation Agency, prefabricated elements,
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United States. Federal Highway Administration. Office of Operations R&D
2011-01-01
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The report summarizes a workshop held in May 2010 as part of an ongoing effort to examine Agent-Based Modeling and Simulation and its application in transportation research.
This report summarizes the proceedings of the Asset Management and Safety Peer Exchange hosted by the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO). The peer exchange was held in Cheyenne, WY on August 2, 2011. The peer exchange addressed various aspects of asset management
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Bridge stewards and owners need to become more strategic by adopting and implementing systematic processes for bridge preservation as an integral component of their overall management of bridge assets. This guide provides bridge related definitions and corresponding commentaries, as well as the framework for a systematic approach to a preventive ma
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This TechBrief provides an overview of blended and performance cements for use in transportation infrastructure. The relatively new labeling for ASTM C595 blended cements, including ternary cements, is described. ASTM C1157 performance cements are also described with particular focus on portland-limestone cements and activated fly ash. An overall s
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Motor fuel and other highway use taxes provide the primary source of funding for the Nation’s highway transportation system. However, loss of revenue due to evasion has been estimated to be from $1 billion annually to as much as 25 percent of total revenues. "Supply Chain-Based Solution to Prevent Fuel Tax Evasion" is a Federal Highway Administrati
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This practitioner's guide is a collection of the observed successes and lessons learned from four metropolitan regions as they developed Regional Concepts for Transportation Operations (RCTOs), a management tool used by planners and operations practitioners to define a strategic direction for implementing effective regional transportation managemen
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According to the Federal Highway Administration, over 6 million lane-miles of roadway are in rural areas, and more than two-thirds of these rural roads are owned and operated by local entities. In 2008 56 percent of the 37,261 fatalities on U.S. roadways occurred in rural areas. Rural areas face a number of highway safety challenges due to the natu
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According to the Federal Highway Administration, over 6 million lane-miles are in rural areas, and more than two-thirds of these rural roads are owned and operated by local entities. In 2008, 56 percent of highway fatalities occurred in rural areas. Rural areas face a number of highway safety challenges. Data is the foundation of any roadway safety
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-01-01
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PDF
Safety is the number one priority for the U.S. Department of Transportation (USDOT) and it’s the agency’s policy to provide safe and effective pedestrian accommodation wherever possible. The Federal Highway Administration (FHWA) encourages the use of specific proven pedestrian safety countermeasures that can help achieve local, State and National s
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-01-01
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PDF
Safety is the number one priority for the U.S. Department of Transportation (USDOT) and it’s the agency’s policy to provide safe and effective pedestrian accommodation wherever possible. The Federal Highway Administration (FHWA) encourages the use of specific proven pedestrian safety countermeasures that can help achieve local, State and National s
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This Technical Brief provides an overview of the intent of the Superpave MSCR procedure to evaluate asphalt binder and its relation to asphalt pavement performance.
This document presents a detailed discussion of the key components of WZ RUC, input needs, and available tools. Step-by-step procedures to derive unit costs for monetary RUC components based on available cost sources and models are also provided. Finally, this document presents a process for applying RUC concepts in selecting an appropriate MOT and
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United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management
2011-01-01
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PDF
Focus (ISSN 1060-6637), which is published monthly by the U.S. Department of Transportation’s Federal Highway Administration (FHWA), covers the implementation of innovative technologies in all areas of infrastructure. Its primary mission is twofold: (1) to serve the providers of highway infrastructure with innovations and support to improve the qua
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