NDLI: Modeling Factors Contributing to Injury and Fatality of Run-off-Road Crashes in Ohio

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Modeling Factors Contributing to Injury and Fatality of Run-off-Road Crashes in Ohio

Content Provider	Semantic Scholar
Author	Eustace, Deogratias Al-Mutairi, Omar Hovey, Peter W.
Copyright Year	2016
Abstract	The main objective of this study was to determine the factors that contribute significantly to the levels of injury severity when run-off-road (ROR) crashes occur. This study used a 5-year crash data for years 2008 2012 from the state of Ohio. The decision tree model in conjunction with generalized ordered logit model was used to investigate characteristics of injury and fatality of run-off-road crashes in Ohio. The decision tree modeling was used for exploratory data analysis identified eight factors that explain a large amount of the variation in the response variable, injury severity. These predictor variables include road condition, ROR crash types, posted speed limit, vehicle type, gender, alcohol-related, road contour, and drug-related.. The results from the generalized ordered logit regression show that the following are significant factors in increasing the likelihood of ROR injury severity levels, i.e., incapacitating and fatal injuries: alcohol and drugs use, curves and grades, female victims, overturn/rollover crashes, ROR crashes on dry roadway surfaces. Additionally, buses, truck, and emergency vehicles, and ROR crashes on roadways with posted speed limits of 40 mph or higher increase the probability of injury severity.
File Format	PDF HTM / HTML
Volume Number	40
Alternate Webpage(s)	https://ecommons.udayton.edu/cgi/viewcontent.cgi?article=1030&context=cee_fac_pub
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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