Waiting and Retention Characteristics of Metro Based on AFC Data: A Case Study of Beijing
Received date: 2022-05-18
Online published: 2022-11-18
To scientifically analyze the capacity of metro to relieve passenger flow and formulate reasonable operation and scheduling plans, a model for calculating the waiting time and retention times of passengers was proposed based on automatic fare collection (AFC) data and metro operation data. Firstly, the whole process of metro travel for non-transfer passengers and transfer passengers was studied, which was subdivided into five stages: inbound stage, waiting stage, boarding stage, transfer stage and exiting stage. Then the calculation method of passenger waiting time and retention times was proposed based on data driven and discriminant analysis. Finally, the waiting characteristics and retention characteristics of Beijing′s metro was analyzed from both passenger and station levels. The results show that: the waiting time of passengers shows a positive skewed distribution, more than 90% of passengers can board the train within 6.5 minutes; the average waiting time per hour is inversely proportional to the passenger flow; the number of passengers detained in each hour is positively proportional to the passenger flow, but the proportion of stranded passengers in each hour is basically maintained at about 5%. Therefore, in the operation and management of metro in big cities, it is suggested to pay more attention to the waiting time and retention times at stations with large passenger flows during peak hours to avoid crowding and stampede events.
Key words: metro; AFC data; travel time; waiting time; retention times
ZHANG Kai-ting , CAO Bing-xin , CHEN Yan-yan , ZHANG Di , LI Yu-jie . Waiting and Retention Characteristics of Metro Based on AFC Data: A Case Study of Beijing[J]. Transport Research, 2022 , 8(5) : 30 -37 . DOI: 10.16503/j.cnki.2095-9931.2022.05.004
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