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University of Nebraska - Lincoln
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
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Road Weather Impact Based Decision Support Applications: Developing A Department Of Transportation Winter Severity Index, Curtis Louis Walker
Road Weather Impact Based Decision Support Applications: Developing A Department Of Transportation Winter Severity Index, Curtis Louis Walker
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Adverse weather conditions are responsible for millions of vehicular crashes, thousands of vehicular deaths and billions of dollars in economic and congestion costs. Many transportation agencies utilize a performance or mobility metric to assess how well they are maintaining road access. This research focuses on the development of a winter severity index for the State of Nebraska (NEWINS). NEWINS is an event-driven index that was derived for the Nebraska Department of Transportation (NDOT) and its districts across the state. The NEWINS framework includes a categorical storm classification framework and climatological aspect to capture atmospheric conditions more accurately across diverse spatial …