Journal of Korean Society for Geospatial Information Science (대한공간정보학회지)

Korea Spatial Information Society (대한공간정보학회)
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Micro-scale Public Transport Accessibility by Stations - KTX Seoul Station Case Study -

정류장 단위의 미시적 대중교통 접근성 분석 - KTX 서울역 사례연구 -

  • 최승우 (서울시립대학교 공간정보공학과) ;
  • 전철민 (서울시립대학교 공간정보공학과) ;
  • 조성길 (서울시립대학교 공간정보공학과)
  • Received : 2015.11.26
  • Accepted : 2016.01.11
  • Published : 2016.03.31
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Abstract

As the need of eco-friendly transportation systems for sustainable development increases, public transport accessibility has been considered as an important element of transportation system design. When analyzing the accessibility, shortest path algorithms can be utilized to reflect the actual movement and we can obtain high resolution accessibility for all other stations on the network with shortest distance and time. This study used the algorithm improved by reflecting the penalty of number of transfers and waiting time of overlapped routes to get the accessibility. KTX Seoul Station is a target place and this algorithm is applied to multi-layer subway bus network of Seoul to calculate the accessibility, therefore this study presented the accessibility of KTX Seoul station by stations.

지속가능한 성장을 위한 친환경 교통체계 구축의 필요성이 증대되면서 대중교통 접근성은 교통체계 설계에 중요한 요소로 고려되고 있다. 대중교통 접근성을 분석할 때 실질적인 이동경로를 반영하기 위해 최단거리 알고리즘을 활용할 수 있으며, 한 지점에서 네트워크상의 다른 모든 지점에 대하여 얻은 최단거리 및 시간을 이용해 정류장 단위의 세밀한 접근성을 도출할 수 있다. 본 연구는 접근성 계산을 위해 환승횟수에 따른 페널티와 다수 노선들의 대기시간을 반영하여 개선한 최단거리 알고리즘을 이용하였다. KTX 서울역을 대상으로 다층 네트워크로 구현한 서울시 지하철 버스 네트워크에 알고리즘을 적용하여 KTX 서울역의 대중교통 접근성을 정류장 단위로 확인하였다.

Keywords

References

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