Strategic assessment of capacity consumption in railway networks: Framework and model |
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| Institution: | 1. State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China;2. Institute of Transportation System Science and Engineering, Beijing Jiaotong University, Beijing 100044, China;3. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;4. Institute for Transport Studies, University of Leeds, Leeds LS2 9JT, United Kingdom;1. Faculty of Transport and Traffic Engineering, University of Belgrade, Serbia;2. Department of Science and Technology, Linköping University, Sweden |
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| Abstract: | In this paper, we develop a new framework for strategic planning purposes to calculate railway infrastructure occupation and capacity consumption in networks, independent of a timetable. Furthermore, a model implementing the framework is presented. In this model different train sequences are generated and assessed to obtain timetable independence. A stochastic simulation of delays is used to obtain the capacity consumption. The model is tested on a case network where four different infrastructure scenarios are considered. Both infrastructure occupation and capacity consumption results are obtained efficiently with little input. The case illustrates the model’s ability to quantify the capacity gain from infrastructure scenario to infrastructure scenario which can be used to increase the number of trains or improve the robustness of the system. |
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| Keywords: | Rail capacity UIC 406 Infrastructure occupation Capacity consumption Robustness Strategic planning |
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