Abstract
The Beijing Subway system carries about 8 million passengers per day in 2012, and the congestions caused by large passenger volume has become a major issue in transit stations especially transfer ones. In order to suppress the congestion to an acceptable level, an indicator reflecting transit station service level is urgently needed. However, previous researches mainly focus on the passenger density of certain areas, such as stairs and walking corridors. This paper aims to propose a composite indicator reflecting the service level of a whole transit station. Filed investigation of several transfer stations was conducted during peak commuting period, in order to find out the usual congestion points of each passenger flow line. According to investigation results, Platform stair, Exit AGM (Automatic Gate Machine), Platform and Corridor entrance were chosen as key nodes to reflect transit station service level. And the weight of each key node was decided by the average passenger density ratio, based on simulation experiment of SHD station. Finally, the service level of SHD station was evaluated with fuzzy comprehensive evaluation.
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