Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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Design Criteria of Traffic Island Considering Pedestrian LOS

보행자 서비스 수준을 고려한 교통섬 설계기준 연구

  • Received : 2012.04.05
  • Accepted : 2012.08.21
  • Published : 2012.10.31
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Abstract

The objective of this study is to develop the design criteria of traffic island considering pedestrian level of service (LOS). In pursuing the above, this study gives particular emphasis to suggesting the minimum design space of traffic island in order to maintain pedestrian LOS C and D, and the critical pedestrian traffic volume that reflects the intersection geometry (2 lanes per direction) through the simulation analysis. The main results are as follows. First, the spaces of 160 traffic islands, which meet the pedestrian LOS C and D and reflects the pedestrian traffic volume by signal cycle, are drawn by using a commercial simulator VISSIM. The relevant spaces of traffic island in terms of both the pedestrian LOS and the pedestrian traffic volume are evaluated to range from $3.0m^2$ to $41m^2$. Second, the critical pedestrian traffic volume for the operation of traffic island is evaluated to be 1,000-1,300 person/hour at LOS C and 1,600-1,800 person/hour at LOS D, respectively, when a cycle of 120-150 seconds were applied to a intersection with two lanes per direction.

이 연구의 목적은 보행자 서비스 수준을 고려한 보행 교통섬의 설계기준을 개발하는데 있다. 이를 위해 이 연구에서는 시뮬레이션 분석을 통해 일정 보행자 서비스 수준 C와 D를 유지할 수 있는 교통섬의 최소 설계 면적과 교차로 기하구조(편도 2차로)를 반영한 임계 보행 교통량을 제시하는데 중점을 두고 있다. 주요 결과는 다음과 같다. 첫째, 보행 서비스 수준 C와 D를 만족하고, 신호주기별 보행 교통량에 따른 총 160개 교통섬의 면적이 VISSIM을 통해 도출된다. 보행 서비스 수준 및 보행 교통량에 따른 교통섬의 면적은 최소 $3.0m^2$에서 최대 $41.0m^2$인 것으로 분석된다. 둘째, 교통섬 운영의 임계 보행 교통량은 편도 2차로와 120-150초 신호주기를 기준으로 서비스수준 C에서 1,000-1,300인/시, 그리고 D에서 1,600-1,800인/시인 것으로 평가된다.

Keywords

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