Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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Express Train Choice and Load Factor Analysis as Line Extension in Seoul Metro 9

서울지하철 9호선 2단계 개통에 따른 급행열차 선택 및 혼잡도 변화분석

  • Kim, Kyung Min (Rail Traffic & Mobility Research Team, Korea Railroad Research Institute) ;
  • Oh, Suk Mun (Rail Traffic & Mobility Research Team, Korea Railroad Research Institute) ;
  • Rho, Hag Lae (Rail Traffic & Mobility Research Team, Korea Railroad Research Institute)
  • Received : 2016.06.17
  • Accepted : 2016.10.10
  • Published : 2016.10.31
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Abstract

This paper investigates how to change passengers' preferences for express trains according to line extension in Seoul Metro Line 9. Before-and-after line extension, we traced passengers' path choices using Smart Card data via the method suggested by Kim et al. (2015). We developed two multinomial logit models before-and-after line extension. Transferability test showed that there is no difference between the two models. However, the load factor of the express train increased by 6.7% and the gap between the local and express trains became significantly wider.

본 연구에서는 교통카드자료를 기반으로 한 김경민 외[1]의 승객경로추적 방법을 이용하여 서울지하철 9호선 2단계 개통에 따른 급행열차 선택에 대한 변화를 분석하였다. 분석결과 2단계 개통 전과 비교하였을 때, 1단계 구간 기존 승객들의 급행열차 선택 비율은 변하지 않음을 확인하였다. 개통 전 후로 나누어 각각에 대한 다항로짓모형을 개발하였고 개통 전 후 모형의 전이성을 확인하였다. 하지만, 급행열차에 대한 선택이 높은 장거리 승객의 증가로 인해 2단계 개통 후 급행열차의 혼잡도가 약 6.7% 상승하였고 일반열차와의 혼잡도 차이는 증가하였다.

Keywords

References

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