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신호교차로의 자전거 좌회전 운영방안 평가에 관한 연구

Assessment of Bicycle Left-turn Traffic Control Strategies at Signalized Intersections

  • 이충민 (아주대학교 교통시스템공학과) ;
  • 이상수 (아주대학교 교통시스템공학과) ;
  • 조한선 (한국교통연구원 교통안전도로본부) ;
  • 남두희 (한성대학교 정보시스템공학과)
  • Lee, Chung Min (Department of Transportation System Engineering, Ajou University) ;
  • Lee, Sang Soo (Department of Transportation System Engineering, Ajou University) ;
  • Cho, Hanseon (Department of Transport Safety & Highway, The Korea Transport Institute) ;
  • Nam, Doohee (Department of Information Engineering, Hansung University)
  • 투고 : 2014.04.01
  • 심사 : 2014.11.06
  • 발행 : 2014.12.31

초록

본 연구는 자전거 좌회전 교통류를 수용한 신호교차로 운영방안으로 Bike Box, Hook-turn, 그리고 6현시의 3가지 방식을 다양한 교통상황 및 조건하에서 평가하였다. 분석결과, Bike Box방식과 Hook-turn 방식 모두 대기공간의 크기가 신호운영 결과에 큰 영향을 미치는 것으로 파악되었다. 비포화와 근포화 교통상황에서 Hook-turn과 Bike Box방식은 자동차지체 차이는 거의 없으나 자전거 지체는 Hook-turn이 Bike Box 방식에 비해 2.5-29.9초/대 높게 나타났다. 6현시 방식은 Bike Box 방식에 비해 자동차와 자전거 지체가 모두 매우 크게 나타났다. 포화 교통상황에서는 Bike Box방식이 Hook-turn과 6현시운영에 비해 자동차지체는 작게 나타났으나, 자전거지체는 자전거 교통량이 700대/시에서 6현시 방식보다 오히려 증가하였다. 자전거지체는 Hook-turn방식은 자전거교통량이 300대/시 이후, Bike Box방식은 500대/시 이후부터 지체가 급격하게 증가하였다. 그리고 Bike Box와 Hook-turn 방식 모두 대기공간이 증가시 자전거 지체가 매우 큰 폭으로 감소하였다. 또한 동-서 및 북-서 교통량 패턴 모두 Bike Box가 Hook-turn 방식보다 자동차와 자전거 지체가 작게 나타났다.

In this study, three signal control strategies such as Bike box, Hook-turn, and 6-phase were assessed for various traffic conditions at signalized intersections incorporating bicycle left-turn traffic. Results showed that the size of a waiting zone mainly affected the performance of signal control in both Bike box and Hook-turn. Both Bike box and Hook-turn yielded an identical vehicle delay, but Bike box produced less bicycle delay than Hook-turn by 2.5~29.9 sec/veh for undersaturated traffic conditions. For saturated traffic condition, Bike box produced less vehicle delay than Hook-turn and 6-phase strategies, but bicycle delay was found to increase at the 700 vph of bicycle traffic compared to 6-phase. Bicycle delay was greatly increased under Hook-turn and Bike box strategies when bicycle traffic was greater than 300 vph and 500 vph, respectively. It was also shown that bicycle delay could be significantly reduced by providing appropriate size of queueing space. In addition, Bike box was likely to yield less vehicle and bicycle delay than Hook-turn for traffic volume patterns investigated in this study.

키워드

참고문헌

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피인용 문헌

  1. A Study on Determining the Optimal Size of Bicycle Waiting Zone under Hook-Turn Operation vol.15, pp.5, 2016, https://doi.org/10.12815/kits.2016.15.5.042