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Impact of Rail Transit Integration on Accessibility to Tertiary Hospitals and Its Spatial Equity in the Metropolitan Area
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Yisheng PENG1, Jiahui LIU2, Lin CHEN3, Han FANG1, Linchuan YANG1
Urban Rapid Rail Transit | 2026, 39(1) : 19 - 24
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Urban Rapid Rail Transit | 2026, 39(1): 19-24
• Rail Transit Equity and Accessibility •
Impact of Rail Transit Integration on Accessibility to Tertiary Hospitals and Its Spatial Equity in the Metropolitan Area
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Yisheng PENG1, Jiahui LIU2, Lin CHEN3, Han FANG1, Linchuan YANG1
Affiliations
  • 1.School of Architecture, Southwest Jiaotong University, Chengdu 611756
  • 2.Faculty of Social Sciences, The University of Hong Kong, Hong Kong 999077
  • 3.Southwest Jiaotong University Chengdu Design Institute Co., Ltd., Chengdu 610031
doi: 10.3969/j.issn.1672-6073.2026.01.003
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Most existing studies have overlooked the impact of rail transit integration at the metropolitan scale on accessibility to tertiary hospitals and its spatial equity. To address this gap, this study uses the two-step floating catchment area (2SFCA) model and the adjusted mean absolute deviation to measure accessibility to tertiary hospitals and its spatial equity, sets two scenarios (the status quo and the rail transit integration scenario), and evaluates the impact of rail transit integration on accessibility to tertiary hospitals and its spatial equity in the Chengdu Metropolitan Area. The results show that rail transit integration has substantially improved accessibility to tertiary hospitals. As rail transit integration progresses, spatial polarization in accessibility has gradually weakened, and the number of high-accessibility areas has declined. However, the accessibility gap between the eastern and western sides of the Longquan Mountains has become increasingly pronounced. Rail transit integration has reduced spatial disparities in accessibility to tertiary hospitals and fostered spatial equity. These findings provide valuable insights for the rational allocation of high-quality medical and rail transit resources.

rail transit integration  /  tertiary hospital  /  accessibility  /  spatial equity  /  Chengdu Metropolitan Area
彭一升, 刘嘉慧, 陈林, 方翰, 杨林川. 轨道交通同城化对都市圈三级医院可达性及其空间公平性的影响. 都市快轨交通, 2026 , 39 (1) : 19 -24 . DOI: 10.3969/j.issn.1672-6073.2026.01.003
Yisheng PENG, Jiahui LIU, Lin CHEN, Han FANG, Linchuan YANG. Impact of Rail Transit Integration on Accessibility to Tertiary Hospitals and Its Spatial Equity in the Metropolitan Area[J]. Urban Rapid Rail Transit, 2026 , 39 (1) : 19 -24 . DOI: 10.3969/j.issn.1672-6073.2026.01.003
Appendix
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Year 2026 volume 39 Issue 1
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Article Info
doi: 10.3969/j.issn.1672-6073.2026.01.003
  • Receive Date：2025-07-23
  • Online Date：2026-09-20
Article Data
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History
  • Received：2025-07-23
  • Revised：2025-09-17
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Affiliations
    1.School of Architecture, Southwest Jiaotong University, Chengdu 611756
    2.Faculty of Social Sciences, The University of Hong Kong, Hong Kong 999077
    3.Southwest Jiaotong University Chengdu Design Institute Co., Ltd., Chengdu 610031
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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