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Optimizing the Mixed Passenger and Freight Transport Scheme of Cross-line Urban Rail Transit with Dynamic and Flexible Marshalling
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Jing YAO1, Lanfang ZHANG2, Haodong YIN1
Urban Rapid Rail Transit | 2025, 38(4) : 43 - 52
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Urban Rapid Rail Transit | 2025, 38(4): 43-52
• Academic Discussion •
Optimizing the Mixed Passenger and Freight Transport Scheme of Cross-line Urban Rail Transit with Dynamic and Flexible Marshalling
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Jing YAO1, Lanfang ZHANG2, Haodong YIN1
Affiliations
  • 1.School of Systems Science, Beijing Jiaotong University, Beijing 100044
  • 2.Key Laboratory of China-ASEAN Comprehensive Transportation, Nanning University, Nanning 530000
Published: 2025-08-10 doi: 10.3969/j.issn.1672-6073.2025.04.006
Outline
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To address the issues of wasted capacity during off-peak hours in urban rail transit and the increasing urban logistics demand alongside worsening traffic congestion, this paper proposes an online flexible train formation optimization model for mixed passenger and freight transportation in urban rail transit. The research first analyzes the feasibility and necessity of implementing freight services in rail transit systems. Subsequently, a mixed passenger and freight transportation optimization model with online flexible train formation is constructed based on Y-shaped lines, and solved using the GUROBI solver. Results indicate that the flexible train formation scheme for mixed transportation can effectively match capacity with demand, reduce the number of trains required, achieve efficient capacity utilization, and enhance economic benefits through freight revenue, thus providing new perspectives for urban rail transit development.

urban rail transit  /  mixed passenger and freight transportation  /  flexible train formation  /  mixed-integer linear programming
尧靖, 张兰芳, 尹浩东. 基于动态灵活编组的跨线城轨客货混运方案优化研究. 都市快轨交通, 2025 , 38 (4) : 43 -52 . DOI: 10.3969/j.issn.1672-6073.2025.04.006
Jing YAO, Lanfang ZHANG, Haodong YIN. Optimizing the Mixed Passenger and Freight Transport Scheme of Cross-line Urban Rail Transit with Dynamic and Flexible Marshalling[J]. Urban Rapid Rail Transit, 2025 , 38 (4) : 43 -52 . DOI: 10.3969/j.issn.1672-6073.2025.04.006
Appendix
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Year 2025 volume 38 Issue 4
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Article Info
doi: 10.3969/j.issn.1672-6073.2025.04.006
  • Receive Date：2025-03-26
  • Online Date：2026-10-19
  • Published：2025-08-10
Article Data
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History
  • Received：2025-03-26
  • Revised：2025-06-03
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Affiliations
    1.School of Systems Science, Beijing Jiaotong University, Beijing 100044
    2.Key Laboratory of China-ASEAN Comprehensive Transportation, Nanning University, Nanning 530000
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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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