A latent class modeling approach for identifying vehicle driver injury severity factors at highway-railway crossings

Accident; Analysis and Prevention
Naveen EluruLiping Fu

Abstract

In this paper, we aim to identify the different factors that influence injury severity of highway vehicle occupants, in particular drivers, involved in a vehicle-train collision at highway-railway grade crossings. The commonly used approach to modeling vehicle occupant injury severity is the traditional ordered response model that assumes the effect of various exogenous factors on injury severity to be constant across all accidents. The current research effort attempts to address this issue by applying an innovative latent segmentation based ordered logit model to evaluate the effects of various factors on the injury severity of vehicle drivers. In this model, the highway-railway crossings are assigned probabilistically to different segments based on their attributes with a separate injury severity component for each segment. The validity and strength of the formulated collision consequence model is tested using the US Federal Railroad Administration database which includes inventory data of all the railroad crossings in the US and collision data at these highway railway crossings from 1997 to 2006. The model estimation results clearly highlight the existence of risk segmentation within the affected grade crossing population by...Continue Reading

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Citations

May 3, 2015·Journal of Safety Research·Kirolos Haleem, Albert Gan
Dec 3, 2014·Accident; Analysis and Prevention·Shanshan Zhao, Aemal Khattak
Aug 21, 2013·Accident; Analysis and Prevention·Shamsunnahar Yasmin, Naveen Eluru
Jun 23, 2016·Psychometrika·Eleni MatechouBergljot Gjelsvik
Jul 22, 2016·Accident; Analysis and Prevention·Shamsunnahar Yasmin, Naveen Eluru
Sep 14, 2016·Journal of Safety Research·Bhaven NaikAemal J Khattak
Jun 14, 2018·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Yong PengShiyang Tan
Mar 10, 2020·International Journal of Injury Control and Safety Promotion·Sina Darban KhalesBranislav Dimitrijevic

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