한국ITS학회 논문지 (The Journal of The Korea Institute of Intelligent Transport Systems)

  • 제18권6호
  • /
  • Pages.137-154
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  • 2019
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  • 1738-0774(pISSN)
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  • 2384-1729(eISSN)
한국ITS학회 (The Korea Institute of Intelligent Transport Systems)
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중앙제어방식 긴급자동차 우선신호 현장적용성 분석

Field Application Analysis of Center Control Emergency Vehicle Preemption System

  • 투고 : 2019.10.24
  • 심사 : 2019.12.10
  • 발행 : 2019.12.31
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초록

본 연구에서는 중앙제어방식 긴급자동차 우선신호를 강북소방서 주변 1.782km 구간에 시험하고 그 효과를 분석하였다. 기존 연구를 검토하여 중앙제어방식과 현장제어방식에 대한 장단점을 비교하였고, 소방서 주변 도로 중 평균 통행속도가 높은 상위 지역 중 왕복 4차로에서 6차로에 해당되는 지역을 시험 대상 지역으로 선정하였다. 우선신호는 긴급자동차 속도로 교차로 도착 예정 시각을 산정, 녹색 신호를 연장하는 방식을 적용하였다. 우선신호 적용 효과는 긴급 자동차 GPS 궤적을 분석하여 속도와 이동시간으로 분석하였고, 주변 교통흐름에 미치는 영향은 긴급자동차 주행방향과 다른 방향의 대기행렬 길이조사를 통해 분석하였다. 시범사업 결과 긴급차량의 평균 통행시간이 41.81% 감소하였고 혼잡한 몇 개의 교차로를 제외한 대부분의 교차로에서의 지체 증가는 매우 적었다. 향후 Early Green과 전이과정에서 우선신호에 대한 보상방법에 대한 연구를 한다면 긴급자동차 우선신호 적용지역을 확대할 수 있을 것으로 기대된다.

This study analysed the center control emergency vehicle preemption[EVP] test result on the 1.782 km section around Gangbuk Fire Station. The pros and cons between center control and site control EVP was compared through the review of existing research. The test site was selected based on the higher link speed for choosing low congested area and 4 to 6 lane road. EVP operates green extension under the estimated arrival time to each intersection. This study is about EVP system field application and its evaluation by analyzing EVP operation result with the emergency vehicle's trace, GPS data. The impact on the surrounding traffic was analysed in delay from the queue length survey. Analysis showed the decrease in averge travel time 41.81%, but the increase in delay of surrounding traffic slightly. It is expected that EVP can be applied to the expanded area by researching EVP compensation scheme.

키워드

참고문헌

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