The rationally layout of connecting line is of significance for improving network efficiency and network planning. Under the background of advocating "network integration" and resource sharing, An urban rail transit connecting line planning model considering maintenance resource sharing is proposed, which minimizes the total construction cost of connecting lines and the total transfer time of trains require maintenance. A hybrid algorithm combining CPLEX and NSGA-II is applied to solving the model. The results of case study show that compared with the existing method, the proposed model achieves better effect in maintenance resource sharing based on realizing connection of all lines. Besides, key parameters of the model are discussed. The obtained results provide a consult for the layout determination of connecting lines and urban rail transit heavy repair sharing depots.
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Zihan Yang (2024) studied this question.
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