United States Department of Transportation
i
Highway Incident Detection Timeline
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2017-10-16
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[PDF-2.81 MB]
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Abstract:The Pennsylvania Department of Transportation (PennDOT) maintains information on road conditions through its Road Condition Reporting System (RCRS). PennDOT uses this technology for planning purposes and to report road closures, weather-related road conditions, and similar information to the general public via its official travel information services (511PA) and to outside agencies. The effectiveness of RCRS is dependent on the quality of information and the timeframe in which it is provided. PennDOT is consequently interested in the average time for notification of highway incidents from emergency dispatch centers. This information would support PennDOT in a number of ways: (1) Reduce the overall time to clear incidents and the time gap between when a highway closure occurs and when the public is informed; (2) Provide information to aid PennDOT in policy and decision making process related to traffic incident management; (3) Identify potential key elements and any critical missing information related to traffic incident management; and (4) Improve operation at statewide, regional, and district traffic management centers. Based on the preceding discussion, the general objective of this project was to evaluate the highway incident detection timeline along a number of major highways in the Commonwealth of Pennsylvania, including Primary Interstate Highway I-76, I-80, I-81, and I-95, and Auxiliary Interstate Highway I-78 and I-83. This was accomplished by comparing emergency dispatch records and the PennDOT RCRS for incidents along the aforementioned highways over several years. These databases were normalized, preprocessed, and then examined using an integrated approach. Based on established data pairings, statistical analyses were performed to evaluate the notification time difference across a number of counties in Pennsylvania.
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