International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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Analysis of Factors Affecting Traffic Accident Severity on Freeway Climbing Lanes

고속도로 오르막차로 교통사고 심각도 영향요인 분석

  • 윤석민 (한양대학교 교통.물류공학과) ;
  • 주신혜 (한양대학교 교통.물류공학과) ;
  • 이설영 (한양대학교 교통.물류공학과) ;
  • 오철 (한양대학교 교통.물류공학과)
  • Received : 2015.07.01
  • Accepted : 2015.11.30
  • Published : 2015.12.15
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Abstract

PURPOSES : The objective of this study is to analyze factors affecting traffic accident severity for determining countermeasures on freeway climbing lanes. METHODS : In this study, an ordered probit model, which is a widely used discrete choice model for categorizing crash severity, was employed. RESULTS : Results suggest that factors affecting traffic accident severity on climbing lanes include speed, drowsy driving, grade of uphill 3%, gender (male offender and male victim), and cloud weather. CONCLUSIONS : Several countermeasures are proposed for improving traffic safety on freeway climbing lanes based on the analysis of crash severity. More extensive analysis with a larger data set and various modeling techniques are required for generalizing the results.

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