International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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Development of Traffic Accident Models at Rural Signalized Intersections by Day and Night

지방부 신호교차로 주·야간 교통사고 예측모형 개발 및 비교 분석

  • 이근희 (한양대학교 도시대학원) ;
  • 정상운 (한양대학교 도시대학원) ;
  • 박민호 (한국건설기술연구원 도로연구소) ;
  • 이동민 (서울시립대학교 교통공학과) ;
  • 노정현 (한양대학교 도시대학원)
  • Received : 2015.04.16
  • Accepted : 2015.05.25
  • Published : 2015.06.15
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Abstract

PURPOSES : The purposes of this study are to compare the day and night characteristics and to develop the models of traffic accidents. in Rural Signalized Intersections METHODS : To develop day and night traffic accident models using the Negative Binomial Model, which was constructed for 156 signalized intersections of rural areas, through field investigations and casualty data from the National Police Agency. RESULTS : Among a total of 17 variances, the daytime traffic accident estimate models identified a total of 9 influence factors of traffic accidents. In the case of nighttime traffic accident models, 11 influence factors of traffic accidents were identified. CONCLUSIONS : By comparing the two models, it was determined that the number of main roads was an independent factor for daytime accidents. For nighttime accidents, several factors were independently involved, including the number of entrances to sub-roads, whether left turn lanes existed in major roads, the distances of pedestrian crossings to main roads and sub-roads, lighting facilities, and others. It was apparent that if the same situation arises, the probability of an accident occurring at night is higher than during the day because the speed of travel through intersections in rural areas is somewhat higher at night than during the day.

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References

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