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Integrated transit service status assessment using smart transit card big data under the x-minute city framework

Author

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  • Liu, Dong
  • Wei, Jiaomin
  • Kan, Zihan

Abstract

The x-minute city concept emphasizes the importance of residents being able to access locations of urban functions by active transportation modes within a short travel time. However, there are inevitably areas where active transportation modes like walking are insufficient to reach certain locations. In such cases, public transit plays a vital role in providing sustainable and healthy transportation options, especially for residents without cars. This research focuses on the integrated assessment of transit coverage status by combining accessibility and connectivity measures based on smart transit card big data within the x-minute city framework. Using smart transit card big data from Beijing, this study employs an enhanced two-step floating catchment area (E2SFCA) method to calculate the accessibility of transit points, such as bus stops and metro stations, within three common x-minute city travel time thresholds (i.e., 5, 10, and 15-min). The accessibility measures are weighted by passenger volume derived from the smart transit card big data. Additionally, transit connectivity is evaluated using a matrix-based approach based on the real-world multi-modal transit network. By integrating both transit accessibility and connectivity, a composite transit index is developed using a modified z-score framework to assess the transit service status of different areas in Beijing.

Suggested Citation

  • Liu, Dong & Wei, Jiaomin & Kan, Zihan, 2025. "Integrated transit service status assessment using smart transit card big data under the x-minute city framework," Journal of Transport Geography, Elsevier, vol. 125(C).
    • Handle: RePEc:eee:jotrge:v:125:y:2025:i:c:s0966692325000808
    DOI: 10.1016/j.jtrangeo.2025.104189
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