The Federal Highway Administration’s HIgh PERformance PAVing (HIPERPAV®) software program has been upgraded to include the following new features in its latest version, HIPERPAV III®, version 3.3: • The coarse aggregate input now includes an option for use of blast furnace slag aggregate. • The user has the ability to download forecasted weather da
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2015-05-01
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The goal of this research effort was to improve pedestrian safety at urban and suburban crossing locations by identifying and evaluating low- to medium-cost pedestrian treatments. The treatments were to have the potential to reduce pedestrian crashes at both midblock and intersection locations. While several treatments were considered during early
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A news update of research, technology, and development from the U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA). The news update gives information on General/Administrative, Infrastructure, Safety, Operations, and Recent Periodicals.
Active Traffic Management (ATM) concepts, strategies, and supporting technologies have been receiving significant attention given the potential operational benefits that have and can potentially accrue from deploying these strategies. Implementing these ATM concepts and strategies can also involve significant capital costs, followed by ongoing oper
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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.
United States. Federal Highway Administration. Center for Accelerating Innovation
2015-05-01
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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.
Improvements in the Long-Term Pavement Performance (LTPP) Program’s climate data are needed to support current and future research into climate effects on pavement materials, design, and performance. The calibration and enhancement of the Mechanistic-Empirical Pavement Design Guide (MEPDG) is just one example of these emerging needs. A newly emergi
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2015-05-01
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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
2015-05-01
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Northern California, near the Oregon State line is home to the Redwood National and State Parks, which span over 200 square miles and are some of the most environmentally diverse areas in the United States. Accordingly, transportation construction projects that disturb existing conditions within the parks’ limits are subject to stringent environmen
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-05-01
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A one-mile section of US 25 in Greenville County had been a cause for concern for the South Carolina Department of Transportation (SCDOT) for many years. Located in rural, mountainous terrain, and often subject to inclement weather including rain, snow, ice, and fog, US 25 carries traffic on two lanes in each direction and is separated only by a da
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-05-01
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The Highway Safety Improvement Program (HSIP) is a core Federal-aid program with the purpose to achieve a significant reduction in fatalities and serious injuries on all public roads. Similar to other Federal-aid programs, the HSIP is a federally-funded, Stateadministered program. While FHWA establishes the general program requirements, State DOTs
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This report describes the performance and results of the INFLO Prototype Small-Scale Demonstration. The purpose ofthe Small-Scale Demonstration was to deploy the INFLO Prototype System to demonstrate its functionality andperformance in an operational traffic environment and to capture data that can help assess hypotheses pertaining tosystem functio
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This document constitutes the Impact Assessment Report for Emergency Communications for Evacuation (EVAC) inNew Orleans. Response, Emergency Staging and Communications, Uniform Management, and Evacuation(R.E.S.C.U.M.E.) is a bundle of applications that targets the improvement of traffic safety and mobility during crashesand other emergencies that a
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-04-23
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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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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2015-04-13
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The Virginia Department of Transportation (VDOT) emphasizes data-driven decision-making and desires to improve safety and safety data. From this desire, VDOT implemented a comprehensive set of State-specific Safety Performance Functions (SPFs) covering 98 percent of its State-maintained roadway locations. The impetus for VDOT developing their own S
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In 2013, the Federal Highway Administration (FHWA) sponsored climate resilience pilot studies in selected states and metropolitan areas in the U.S. The intent of these pilot studies was to examine approaches to “conduct climate change and extreme weather vulnerability assessments of transportation infrastructure and to analyze options for adapting
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This How-to report shares why and how TAZs were developed for the new Tennessee statewide model using a travelshed paradigm rather than traditional network-based boundaries. Using travelsheds to define TAZs results in a clearer relationship between the zones and the underlying roadway network with less ambiguity around the placement of loading poin
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2015-04-09
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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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2015-04-07
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FHWA Highway History Website Articles
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Historian Mark H. Rose explained some of the effects of the change on the urban vision conceived along with the Interstate System: In many instances, engineers and local planners and politicians had sketched those routes years before, often as far back as 1939 when the neighborhoods were populated mostly by white householders . . . . By the early 1
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2015-04-03
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FHWA Highway History Website Articles
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The Rambler offers an anecdote of Mark Twain's brief career as a secretary to a Senator and his role in answering correspondence. The Rambler then gives context for and replies to selected letters related to transportation and highways sent to Presidents Jefferson and Lincoln by members of the public.
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