Guidelines for deploying weather responsive operations in TxDOT traffic signals.
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2017-02-01
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Alternative Title:Improving safety and efficiency of signalized intersections during inclement weather.
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Abstract:Inclement weather, such as rain, snow, fog, and ice, create special operational challenges for traffic
management agencies. This project provided Texas Department of Transportation with technical guidance
for improving safety and efficiency of signalized intersections during inclement weather. As part of this
project, the research team examined available technologies for detecting adverse weather at signalized
intersections and provided technical guidance on strategies for modifying traffic signal operations during
various types of weather events. A realistic and practical architectural framework for collecting and
disseminating weather information to improve signalized intersection operations was developed by the
research team. The research team deployed the architecture at intersections in Dumas, Burleson, and Nassau
Bay and conducted simulation and field studies to explore the benefits of providing weather responsive
traffic signal operations. The research team also provided guidance for operating traffic signals and
developing traffic signal timing plans for large scale evacuations, such as hurricane evacuations in coastal
regions.
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