Rail transit passenger fairness based on accessibility calculation of station connection

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  • (College of Transportation Engineering, Dalian Maritime University, Dalian 116026, China)

Received date: 2023-04-18

  Revised date: 2023-05-24

  Accepted date: 2023-05-24

  Online published: 2023-06-09

Abstract

In order to solve the contradiction between the development of urban rail transit system and the unbalanced travel demand of residents, the study on the fairness of rail transit travel was carried out. Taking Dalian rail transit system as an example, firstly, the actual travel demand of rail transit passengers was obtained by using mobile phone signaling data, and the DBSCAN method was used to identify demand intensive areas, with this to determine the core passenger group of rail transit services. Then, the Gaode map API was used to obtain the actual pre and post transit travel times of passengers in the high-density demand areas, and constructed passenger accessibility indicators for rail transit. Finally, the Lorenz curve, Gini coefficient, and Theil index evaluation methods were adopted to evaluate the fairness of rail transit from both temporal and spatial dimensions. Results show that walking is the primary mode of transit connection, and buses are the auxiliary mode; in terms of time fairness, there is a serious unfairness in Dalian’s rail transit system, the Line 2 is more unfair than Line 1; in terms of spatial fairness, unfairness is mainly caused by differences in passenger accessibility within the service scope of rail transit stations.

Cite this article

SUN Shichao, ZHENG Yong, CHENG Luju, ZHANG Xiushuang . Rail transit passenger fairness based on accessibility calculation of station connection[J]. Journal of Dalian Maritime University, 2023 , 49(3) : 1 -10 . DOI: 10.16411/j.cnki.issn1006-7736.2023.03.001

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