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A Methodology for Driving Risk Evaluation Based on Driving Speed Choice (Focusing on Impacts of Providing In-vehicle Traffic Warning Information)  

Kim, Won-Cheol (교통안전공단 안전진단처)
Publication Information
Journal of Korean Society of Transportation / v.29, no.1, 2011 , pp. 95-102 More about this Journal
Abstract
This paper presents a Driving Risk Model (DRM) based on driving speed choices using an Ordered Response Probit (ORP) model. The DRM is conceptualized based on the relation between speed deviation and the occurrence of crashes found by Solomon. The impacts of various driving risk factors are revealed by applying the DRM to evaluate the effectiveness of In-Vehicle Traffic Warning Information (IVTWI) in expressway driving. Regarding driving risk, the results show that: (1) the risk is lower among male drivers, those with more driving experience and those with less accident history, (2) the risk is higher when driving takes place on wet road surface, in the afternoon, and under conditions of low traffic volume, and (3) the risk is also higher on both downgraded and long curve sections. Additionally, the results provide evidence that provision of IVTWI can decrease the driving risk. The proposed DRM provides a solution for assessing the traffic safety impacts of countermeasures on roadways when there is a shortage of traffic accidents data.
Keywords
Driving risk; Driving speed choice; Ordered Response Probit Model; Speed deviation; Expressway driving;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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