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A Study on Crash Causations for Railroad-Highway Crossings  

O, Ju-Taek (교통개발연구원)
Sin, Seong-Hun (교통개발연구원)
Seong, Nak-Mun (교통개발연구원)
Park, Dong-Ju (광주대학교 건설환경공학부)
Choe, Eun-Su (철도기술연구원)
Publication Information
Journal of Korean Society of Transportation / v.23, no.1, 2005 , pp. 33-44 More about this Journal
Abstract
Railroad crossing crashes are fewer than road crashes, but with regard to crash severity, they can be serious injury crashes. There should be, therefore, enormous efforts to increase the safety of railroad crossings. The objective of this paper is to identify and understand factors associated with railroad crossing crashes. Statistical models are used to examine the relationships between crossing accidents and geometric elements of crossings. The results show the Poisson model is the most appropriate method for the crossing accidents, because overdispersion was not observed. This study identifies seven significant factors associated with railroad crossing crashes through the main and variant models. With regard to explanatory factors on crossing safety, the total traffic volume, daily train volume, presence of commercial area around crossings, distance of train detector from crossings, time duration between the activation of warning signals and gates, crossing types, and speed hump were found to affect the safety of railroad crossings.
Keywords
철도건널목;안전;사고모델;포아송 회귀분석;과분산;
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