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Optimization model of emergency station location for urban rail transit

Based on the analysis of various previous location models, the traditional collection coverage model was improved in this paper. The accidents are divided into two levels. An emergency station location model was established, of which goal is the minimization of the total number of emergency stations and constraints are the different emergency response time for the accident. The emergency station location model was solved using 0-1 planning. Finally, this model was used to the emergency station location analysis of Dalian subway.