Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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A Study on Evolution of Bus Priority System

버스 통행우선신호 도입에 관한 연구

  • Kim Sung-Deuk (School of Civil and Environmental Engineering, University of Ulsan)
  • 김성득 (울산대학교 건설환경공학부)
  • Published : 2005.06.01
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Abstract

In the analysis of the foreign cases on the use of Transit Signal Priority(TSP), the reduction in bus travel time ranged from 6 to $32\%$. This study demonstrates how TSP can be applied to Ulsan Metropolitan City. TSP techniques were used on the bus routes that run eastward for 4.07 kilometers along Munsoo-Ro, a major artery in the most congested part of the city. The simulation was performed on one hour of peak traffic time, using the two TSP strategies of Early Green and Extended Green. The use of the Early Green strategy resulted in an average decrease in travel time ranging from 18.1 to $25.8\%$ and an increase in average travel speed ranging from 30.9 to $40.1\%$. The Extended Green strategy resulted in an average decrease in travel time ranging from 18.1 to $30.3\%$ and an increase in an average travel speed of approximately $30.1\%$. This study demonstrates that TSP is effective in decreasing travel time and increasing travel speed of the bus system in Korea.

버스 통행우선신호(TSP)와 관련된 외국의 사례를 살펴본 결과 버스운행시간이 $6{\~}32\%$감소하였다. TSP 기법을 울산도심의 주간선 도로인 문수로 4.07km 구간에 오전 첨두시 1시간의 동진하는 버스에 대해서 Early Green과 Extended Green기법을 적용하였다. 앞의 기법에서 평균 통행시간이 $18.1{\~}25.8\%$ 단축되었고 통행속도는 $30.9{\~}40.1\%$ 빨라졌다. 뒤 기법에서는 통행시간이 $12.1{\~}30.3\%$ 단축되었고, 통행속도는 $30.1\%$ 빨라졌다. 따라서 우리나라에서도 버스 TSP를 도입할 수 있을 것이다.

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References

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