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Investigating Threshold Distances and Behavioral Factors Affecting Railway Station Accessibility: A Case Study of the Seoul Metropolitan Area, South Korea

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  • Kyujin Lee

    (Department of Transportation Engineering, Ajou University, Suwon 16499, Republic of Korea)

  • Tae-Wan Kim

    (Department of Transportation Engineering, Ajou University, Suwon 16499, Republic of Korea)

  • Jaeho Kwak

    (Korea Railroad Research Institute, Suwon 16105, Republic of Korea)

  • Gyoseok Jeon

    (Department of Transportation Engineering, Ajou University, Suwon 16499, Republic of Korea)

Abstract

This study aimed to analyze the characteristics and influencing factors of the access trips of railway users in the Seoul Metropolitan Area, South Korea. A total of 11 metropolitan railway stations and 4 urban railway stations were selected, and data on users’ travel characteristics—including access modes, travel purposes, demographic attributes, and whether they were accompanied by infants—were collected through one-on-one interviews. Based on 1683 collected cases, the data were analyzed using a multivariate analysis of variance (MANOVA). The results showed a statistically significant difference between bus access distances, which were 1.78 km for metropolitan railways and 1.59 km for urban railways. In contrast, the walking access distances were approximately 620 m for both, showing a minimal difference. The further analysis of factors influencing the access distance revealed that apartment ownership, users’ income level, the presence of accompanying travelers, the distance between stations, the number of transfer routes, and whether users were traveling with infants had significant effects.

Suggested Citation

  • Kyujin Lee & Tae-Wan Kim & Jaeho Kwak & Gyoseok Jeon, 2025. "Investigating Threshold Distances and Behavioral Factors Affecting Railway Station Accessibility: A Case Study of the Seoul Metropolitan Area, South Korea," Sustainability, MDPI, vol. 17(10), pages 1-14, May.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:10:p:4501-:d:1656464
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    References listed on IDEAS

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    3. Phattarasuda Witchayaphong & Surachet Pravinvongvuth & Kunnawee Kanitpong & Kazushi Sano & Suksun Horpibulsuk, 2020. "Influential Factors Affecting Travelers’ Mode Choice Behavior on Mass Transit in Bangkok, Thailand," Sustainability, MDPI, vol. 12(22), pages 1-18, November.
    4. Jun, Myung-Jin & Choi, Keechoo & Jeong, Ji-Eun & Kwon, Ki-Hyun & Kim, Hee-Jae, 2015. "Land use characteristics of subway catchment areas and their influence on subway ridership in Seoul," Journal of Transport Geography, Elsevier, vol. 48(C), pages 30-40.
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