The Illinois data system includes the following basic files:Accident data; Roadlog File; Bridge (Structures) File; RR Grade Crossing File. The first two of these files are currently being captured in the HSIS. Raw file data are provided to the Highway Safety Research Center where they are retained as backup information. The documentation (variable
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The Illinois data system includes the following basic files: Accident data, Roadlog File, Bridge (Structures) File, RR Grade Crossing File. The first two of these files are currently being captured in the HSIS. Raw file data are provided to the Highway Safety Research Center where they are retained as backup information. The documentation (variable
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Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
This report synthesizes six topics related to geosynthetic reinforced soil (GRS) design: embedment length, pullout check, eccentricity, lateral pressures, the W-equation for GRS capacity and required reinforcement strength, and geosynthetic reduction factors. The synopsis for each topic includes a summary of the relevant research and a review of pe
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The Minnesota Department of Transportation (MN DOT) hosted a peer exchange February 3-4, 2015, in St. Paul, Minnesota. The event included peer representatives from the Nevada Department of Transportation (NV DOT), the Ohio Department of Transportation (Ohio DOT), and the Vermont Agency of Transportation (VTrans) and was supported by the Federal Hig
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2015-02-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-02-01
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PDF
Systemic 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 not evenly distributed across the many miles of rural roadways, making it difficult to isolate
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-02-01
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PDF
Systemic 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 not evenly distributed across the many miles of rural roadways, making it difficult to isolate
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-02-01
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PDF
This report summarizes a peer exchange held in September 2013 sponsored by the Federal Highway Administration (FHWA) Office of Safety. FHWA organized the peer exchange at the request of the Virginia Department of Transportation (VDOT). VDOT was looking to confer with their peers regarding specifications, construction and contracting issues on four
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The performing organization, on behalf of the FHWA Office of Planning, Environment, and Realty, conducted a benefit-cost assessment of programmatic agreements and approaches. The assessment consisted of a case study approach that evaluated three agreement types within seven States. The results of the analysis indicate that programmatic agreements a
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This report provides insights on effective practices in performance based planning by Metropolitan Planning Organizations (MPOs) that plan for Urbanized Areas with populations less than 200,000. It references existing best practices research on performance based planning for MPOs in general, and presents key themes from interviews with small MPOs a
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-01-29
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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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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-01-22
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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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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-01-15
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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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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-01-08
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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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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2015-01-01
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PDF
Connected vehicle safety applications are designed to increase situational awareness and reduce or eliminate crashes through vehicle-to-infrastructure (V2I), vehicle-to-vehicle (V2V), and vehicle-to-pedestrian (V2P) data transmissions. Applications support advisories, warnings, and vehicle and/or infrastructure controls.This resource includes a bri
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2015-01-01
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PDF
For the past decade, the U.S. Department of Transportation (USDOT) has beenresearching and testing a system of vehicles that can sense the environmentaround them and communicate with other vehicles and with infrastructure. Thisvehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications willenable safety, mobility, and environmental
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The objective of this project, “Connected Vehicle Impacts on Transportation Planning,” is to comprehensively assess how connected vehicles shouldbe considered across the range of transportation planning processes and products developed by States, Metropolitan Planning Organizations (MPO),and local agencies throughout the country. While the focus is
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The Federal Highway Administration (FHWA) conducted an international review to study how international transportation agencies are addressing issues related to adapting highway infrastructure to the impacts of climate change. The review involved transportation agencies from Australia, Canada, Denmark, Korea, New Zealand, the Netherlands, Norway, an
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This report highlights key recommendations and noteworthy practices identified at the workshop on “Performance-based Planning and Programming in the Context of MAP-21” held on March 6-7, 2014 in New York City, New York and via video teleconference. This event was sponsored by the Transportation Planning Capacity Building (TPCB) Peer Program, which
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