United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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The systemic approach to safety involves the use of countermeasures that are widely implemented based on high-risk roadway features correlated with particular severe crash types. Data shows that a majority of fatal crashes occur on rural roads. However, these crashes are scattered across the many miles of rural roadways, making it difficult to isol
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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This report summarizes a peer exchange hosted by the Kentucky Transportation Cabinet (KYTC) and the Kentucky Office of Highway Safety (KOHS) on June 16-17, 2015, in Frankfort, KY. The event included peer representatives from the Georgia Department of Transportation (GDOT), the Missouri Department of Transportation (MoDOT), the FHWA Missouri Divisio
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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PDF
Setting speed limits that are safe, consistent, and reasonable is the first step in speed management and is important in order to protect all roadway users. Transportation practitioners employ a variety of strategies to manage speeds on roadways, and speed limits are an integral part of this. However, simply lowering the speed limit on a particular
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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PDF
Speed limits frame expectations for drivers and other roadway users. Properly set speed limits provide a safe, consistent, and reasonable speed to protect drivers, pedestrians, and bicyclists along the roadway. At the same time, speed limits can be a source of frustration and confusion; for example, not all drivers like to travel at the same speed,
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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In rural areas, many communities are located along higher-speed roadways, but have much lower speed limits inside the city limits. Speed limits can often drop from as high as 55 mph down to 25 mph as the road feeds into the town’s center where pedestrians and bicyclists are more common. Typically, changes such as on-street parking or a greater numb
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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USLIMITS2 is a web-based tool designed to help practitioners set reasonable, safe, and consistent speed limits for specific segments of roads. It is applicable to all types of facilities, from rural local roads and residential streets to urban freeways. The tool provides a suggested speed limit value based on 50th and 85th percentile speeds, roadwa
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2016-06-01
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PDF
The Safety Performance Management Measures regulation supports the Highway Safety Improvement Program (HSIP) and requires State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) to set HSIP targets for 5 safety performance measures. This document highlights the requirements specific to MPOs and provides a compariso
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2016-06-01
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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. Department of Transportation. Federal Highway Administration
2016-05-31
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Memoranda & Guidance: Guidance
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The purpose of this Agreement is to authorize SDOT to determine on behalf of FHWA whether aproject qualifies for a CE action specifically listed in 23 CFR 771.117 (listed in Appendix A andB of this Agreement) or a CE designated for the State (listed in Appendix C of this Agreement).This Agreement also authorizes SDOT to certify to FHWA that an acti
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This report presents recommendations for minimum DSRC device communication performance and securityrequirements to ensure effective operation of the DSRC system. The team identified recommended DSRCcommunications requirements aligned to use cases, performance needs, DSRC functions, existing research, testingand simulation findings, and also develop
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2016-05-19
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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 document describes the Security Management Operating Concept (SMOC) for the New York City Department of Transportation (NYCDOT) Connected Vehicle Pilot Deployment (CVPD) Project. This SMOC outlines the security mechanisms that will be used to protect information flows within NYC CVPD, additional practices to protect privacy and security of dat
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On December 4, 2015, the President signed the Fixing America’s Surface Transportation (FAST) Act into law (Pub. L. 114-94). The FAST Act replaced the Transportation Alternatives Program (TAP) with a set-aside of funds under the Surface Transportation Block Grant Program (STBG). For administrative purposes, the Federal Highway Administration (FHWA)
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This report provides an overview and detail on the use of cellular, GPS, and Bluetooth technologies for origin-destination (O-D) data. It discusses what each technology represents and its capabilities and limitations in relation to accuracy, sample saturation, and frequency. It includes takeaways and lessons learned from numerous studies in recent
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We have received several questions regarding the minimum level of service (LOS) requirements for projects on the National Highway System (NHS). The Federal Highway Administration (FHWA) adopted the American Association of State Highway and Transportation Officials’ (AASHTO) A Policy on Geometric Design of Highways and Streets, 2011 edition (Green B
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2016-05-05
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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 examines the state of the practice in the development and use of statewide transportation improvement programs (STIPs) by state departments of transportation (State DOTs). It includes the results of a scan of all 52 publicly-available STIPs as of January 2014, a more detailed analysis of 14 STIPs which were selected as a group represent
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This Executive Summary provides an overview of key findings from the Arapaho and Roosevelt National Forests Transportation (ARNF) System Alternatives Study. The ARNF Transportation System Alternatives Study was conducted under a Sarbanes Transit in Parks grant awarded to the ARNF in response to previous studies of growing unacceptable congestion an
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