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회전교차로 용량분석 방법에 대한 고찰

A Review of Roundabout Capacity Model

  • 안홍기 (Huaiyin Institute of Technology 교통공학과) ;
  • 김동선 (대진대학교 도시부동산공학과)
  • 투고 : 2020.10.31
  • 심사 : 2020.11.18
  • 발행 : 2021.04.01

초록

회전교차로는 신호 교차로와 비교 시 용량증대, 안전성 증대 및 대기오염 감소 등의 장점으로 인해 국내외적으로 널리 사용되고 있다. 2011년 시작된 국내 회전교차로의 역사는 어느덧 10년이 되었다. 그러나 여전히 불명확한 통행우선권 및 부족한 자료의 축적 그리고 해외 용량분석과 비교시 차이점으로 인해 회전교차로의 장점을 최대한 활용하지 못한다고 볼 수 있다. 또한 국내 연구는 회전교차로 용량모형에 관한 연구보다는 회전교차로 설치 시 효과분석에 집중된 성향이 있다. 따라서 본 논문은 회전교차로의 대표적 모형인 경험적 모형과 간격수락 모형에 대해 살펴보고 호주의 SIDRA 모형과 미국의 USHCM 2010 모형을 국내 도로용량편람 2013 모형과 비교해 보았다. 향후 국내 회전교차로 용량의 예측 시, 더욱 정확한 용량분석에 도움이 되기를 기대한다.

Roundabouts have been spreading out all over the world quickly with their attractions including capacity enhancement, safety increase and pollutant emission decrease. The history of Korean roundabout has already been 10 years. However, due to the accumulation of unclear right of way and insufficient data, the advantages of the roundabout are not fully utilized so far. Moreover, there are some differences in the capacity model of roundabouts compared to overseas capacity models. In addition, most research tend to concentrate in evaluation of roundabout performance using computer software. This paper, therefore, investigated overseas typical roundabout capacity models; empirical model and gap acceptance model, and then KHCM 2013 was compared to SIDRA model and USHCM 2010 model. It is expected that this paper will assist and guide practitioners in analyzing and estimating roundabout capacity more precise.

키워드

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