Design of single-track rail line for high-speed trains |
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| Institution: | 1. College of Civil Engineering, Central South University, Changsha 410075, China;2. National Engineering Laboratory for High Speed Railway Construction, Changsha 410075, China;3. Department of Civil Engineering, University of Maryland, College Park, College Park, MD 20742, United States;1. Politecnico di Bari, Dipartimento di Ingegneria Elettrica e dell’Informazione, Bari, Italy;2. Università di Siena, Dipartimento di Ingegneria dell’Informazione e delle Scienze Matematiche, Siena, Italy;3. Università Roma Tre, Dipartimento di Ingegneria, Roma, Italy;1. Centre for Transport Research, University of Aberdeen, Fraser Noble Building, Aberdeen AB24 3UE, UK;2. Institute of Transport and Logistics Studies, The University of Sydney Business School, NSW 2006, Australia |
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| Abstract: | This paper presents a method for designing a single-track rail line for a reliable high-speed passenger train service. We first consider deterministic train performance and describe a general method for finding the best location and length of the passing tracks. The design is then modified to include slack, which is necessary to ensure on-time performance for trains encountering unexpected delay. An analysis of the robustness of the system to small delays is presented. Robustness to large train delays and slower traffic is incorporated through the provision of additional sidings. Finally, simulation results are presented which compare the performance of a single-track line to a fully double-tracked equivalent. |
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