The guide rail is an important and commonly used tool to organize passenger flow in subway stations, but still lacks theoretical supports about how to set it for better passenger evacuation in case of emergency. This paper fits the density-velocity relationship of the passengers according to the results of horizontal channel evacuation experiments and observational data. Then, using AnyLogic (7.1.2) as a simulation analysis tool, it compares passenger evacuation time and efficiency in settings with no guide rail, a continuous but fixed guide rail, and an optimized layout in the entrance-exit area, platform, and hall. The results show that the density-velocity relationship of passengers in a horizontal channel is close to the cubic polynomial function. The passenger emergency evacuation efficiency is higher when the entrance-exit is a set guide rail with channel type, while the platform and the subway hall channel use the discontinuous rail of the mobile gate.
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