United States Department of Transportation
i
Prioritization of Wildlife-Vehicle Conflict in Nevada
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2018-06-01
[PDF-14.98 MB]
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Edition:Final Report
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Abstract:In Nevada each year vehicle collisions with wild and domestic-feral animals result in an average of over 500 reported crashes, cost the Nevada public over $19 million in crash costs, and kill an estimated 5,032 wild animals. While Nevada constructed several dozen wildlife mitigation features to help reduce these crashes and provide wildlife connectivity in certain locations, there was a need to prioritize areas for future wildlife and livestock mitigation. This study identified areas of animal-vehicle conflict of highest priority where NDOT can create mitigation alternatives to reduce these collisions and make roads safer for travelers. The researchers identified the top hotspot locations for potential wildlife mitigation using the Getis-Ord Gi* Optimized Hot Spot Analysis tool in ArcGIS. Different priority areas were mapped based on crash data with all animal types, only wildlife, horse crashes, and cattle crashes. Another top 25 priority map was created using GIS modeling of safety and ecological data to identify areas of potential animal-vehicle conflict. These hotspot areas were where wildlife and livestock presence near roads is predicted based on many factors. These maps and other research results were presented to Nevada Department of Transportation (NDOT) with recommendations on how to integrate results into transportation planning and operations. Tables for priority hotspots were generated for the entire state and each NDOT district.
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