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도시철도 개통에 따른 대중교통 통행량 변화 분석: 대구도시철도 3호선 개통을 대상으로

Will the Addition of Competing Transit Systems Increase Overall Transit Passengers? Lessons Learned from Urban Rail Transit Line 3 in Daegu

  • 황정훈 ((사)미래도시교통연구원) ;
  • 정연식 (영남대학교 도시공학과)
  • 투고 : 2022.01.17
  • 심사 : 2022.03.03
  • 발행 : 2022.06.01

초록

도시철도와 버스는 대표적인 대중교통 시스템이며, 서로 공생하기도 하며 서로 경쟁하기도 한다. 즉, 경쟁적인 대중교통 시스템의 추가로 인해 전체 대중교통 수요가 증가할 가능성과 경쟁 시스템으로의 수요 전환 수준에 머물 가능성도 존재한다. 본 연구의 목적은 경쟁적인 대중교통 시스템이 존재하는 도시에 추가 경쟁 노선을 도입한 경우, 대중교통 통행량의 변화를 분석하는 것이다. 이를 위해, 도시철도와 버스라는 2개의 대중교통 시스템이 존재하는 대구시에 도시철도 3호선의 도입 전·후에 대한 대중교통 통행 변화를 분석하였다. 정확한 분석을 위해, 2015, 2016, 2019년 4월 두 번째주 1주일간 교통카드 빅 데이터를 수집하여 활용하였다. 분석 결과, 기존 도시철도의 추가적인 개통으로 철도망 확장에 따른 통행량 증대는 있었으나 대중교통 전체 통행량 변화는 미미한 것으로 나타났다. 즉, 기존 버스 통행량이 도시철도로 전환된 것으로 판단된다. 또한, 분석결과를 활용하여 단순히 대중교통 노선의 추가가 아닌 대중교통 수요 증대를 다양한 정책적 제언을 제시하였다.

Urban rails and buses are representative public transit systems that not only cooperate with each other, but also compete with each other. In other words, there is a possibility that the overall demand for public transportation may increase due to the introduction of a competitive public transportation system, or there is a possibility that demand will be maintained at the level that is simply converted to a competitive system. The objective of this study is to analyze the change in public transit flow when an additional transit system is introduced in a city with alternative public transit systems. To carry out this objective, we analyzed changes in public transit passenger flow before and after the introduction of an urban rail transit line 3 in Daegu Metropolitan City, where two public transit systems, urban rail and bus, exist. For accurate analysis, big data collected by passenger transportation cards were utilized for one week in the second week of April 2015, 2016, and 2019. From the analysis, it was found that although the urban rail passenger flow increased due to the additional urban rail transit system, the change in the overall public transit passenger flow in the city was insignificant. In other words, it is interpreted that the bus transit passengers have been shifted to the urban transit systems. Based on the results, this study suggested various policies to increase the demand for public transit rather than simply adding public transit systems.

키워드

참고문헌

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