Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization, provide access to jobs, and achieve safer communities through support of accelerated project deliv
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Overall, 40 percent of crashes in the United States occur at intersections; a total of 57 percent of fatalities from 1997–2004 occurred at stop-controlled intersections, of which 61 percent occurred in rural areas. Factors believed to contribute to these incidents include inadequate surveillance, failure to obey/yield, driver inattention, and speed
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This report is the first in a series of two reports focused on identifying opportunities for application of Intelligent Transportation System (ITS)technology – or equivalent – to address challenges and/or opportunities in the St. Lawrence Seaway. This paper summarizes current condition,challenges faced, and potential opportunities for application o
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This report is the second in a series of two reports focused on identifying opportunities for application of Intelligent Transportation System (ITS)technology – or equivalent – to address challenges and/or opportunities in the St. Lawrence Seaway. The first paper in this series summarized current condition, challenges faced, and potential opportuni
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The primary objective of this project is to develop multiple simulation testbeds and transportation models to evaluate the impacts of Connected Vehicle Dynamic Mobility Applications (DMA) and Active Transportation and Demand Management (ATDM) strategies. This report summarizes the evaluations conducted on the Chicago Testbed. The report summarizes
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This report presents a high-level test and evaluation framework for cooperative driving automation systems that have the potential to significantly improve mobility and enhance traffic flow stability with better safety. It focuses on the test and evaluation of vehicle platooning that uses cooperative adaptive cruise control (CACC) and vehicle-to-ve
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-04-01
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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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This case study describes the Vermont Agency of Transportation’s (VTrans) experience during the development of the first 10-year financial plan associated with its Transportation Asset Management Plan (TAMP). The case study shows the VTrans efforts to meet the state’s requirements and agency objectives for management of transportation assets, while
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This study is the fourth in a series of four experiments exploring human factors issues associated with the introduction of cooperative adaptive cruise control (CACC). Specifically, the goals of this experiment were as follows:Assess drivers’ workloads under two different CACC following gaps (near and far).Assess drivers’ reactions to a vehicle mer
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-04-01
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The objective of this study was to evaluate the safety effectiveness and to develop benefit-cost (B/C) ratios for the application of the SafetyEdgeSM treatment using scientifically rigorous crash-based analysis methods.
The greatest barrier to using 3D digital design data in highway construction is ineffectively managed uncertainty regarding whether the constraints assumed in design reflect actual field conditions. Verifying the original ground close to construction is an effective, digital preconstruction quality control method to avoid basic construction issues.
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-04-01
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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There are numerous benefits afforded to using 3D digital design data in highway construction. These include: the ability to identify and resolve constructability challenges prior to mobilization, more accurate estimation and better control of pavement material quantities through Automated Machine Guidance (AMG), faster execution of construction wit
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Safety service patrols on freeway and arterial roadways provide a traffic management tool for transportation agencies across the country. A swift response to incidents provides effective temporary traffic control and quick clearance practices and reduces the chance of secondary accidents and bottlenecks. As more agencies assess their needs for traf
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The Pikalert System provides high precision road weather guidance. It assesses current weather and road conditions based on observations from connected vehicles, road weather information stations, radar, and weather model analysis fields. It also forecasts future weather and road conditions out to 72 hours utilizing information from numerical weath
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2017-03-23
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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. Federal Highway Administration. Office of Planning, Environment, and Realty
2017-03-09
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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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