한국안전학회지 (Journal of the Korean Society of Safety)

  • 제32권6호
  • /
  • Pages.131-136
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  • 2017
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  • 1738-3803(pISSN)
  • /
  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
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차종별 소규모 회전교차로 사고의 분석 및 논의

Analysis and Discussion of Small-size Roundabout Accidents by Vehicle Type

  • Cho, Ah Hae (Department of Urban Engineering, Chungbuk National University) ;
  • Park, Byung Ho (Department of Urban Engineering, Chungbuk National University)
  • 투고 : 2017.06.20
  • 심사 : 2017.08.29
  • 발행 : 2017.12.31
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초록

This study deals with the small-size roundabout accidents. The purpose of this study is to analyze the characteristics of small-size roundabout accidents from developing various types of accident models, and to discuss the improvement countermeasures by vehicle type. The geometric characteristics of 36 roundabouts are surveyed, and the traffic accident data from 2008 to 2014 are collected and classified as those of car, truck and motor cycle. In this study, dependent variable is the number of accident and independent variables are such 15 variables as geometry and traffic volume. The main results are as follows. First, the null hypotheses that the size of roundabout and type of vehicle are not related to traffic accident are rejected. Second, 8 count data models which are all statistically significant are developed. Third, the number of circulatory roadway lane and sidewalk are selected as common variables of roundabout size. Finally, the number of entry and circulatory roadway lane are selected as common variables of vehicle type.

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참고문헌

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