United States Department of Transportation
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South Dakota Department of Transportation (SDDOT) regional traveler information system for weather responsive traffic management.
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2015-11-01
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[PDF-4.20 MB]
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Abstract:Federal Highway Administration’s (FHWA) Road Weather Management Program (RWMP) strives to promote the
development and implementation of cutting-edge techniques for maintaining safety, mobility, and productivity of roadways
during adverse weather conditions. The FHWA RWMP partnered with the South Dakota DOT to develop and implement a
Weather Responsive Traffic Management (WRTM) strategy that involves mobile data collection and traveler information
dissemination during weather events. A concept of operations and an evaluation plan were developed and utilized in the
project. The objectives of the system were to improve the efficiency of road condition data collection, increase the number
and frequency of road condition reports, improve and expand road weather information provided to travelers, enhance the
perceived benefits to travelers from the new traveler information, and support partner agencies that can use the new
traveler information. This report documents the development, implementation and evaluation of the system. Overall, the
evaluations indicate that travelers value road condition forecasts. Furthermore, after viewing road condition forecasts, the
travelers’ either changed the timing or routing of their trips, or felt more prepared for them. The report also contains
lessons learned and recommendations based on the evaluation results.
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