A simulation model for estimating train and passenger delays in large-scale rail transit networks
Zhi-bin Jiang , Feng Li , Rui-hua Xu , Peng Gao
Journal of Central South University ›› 2012, Vol. 19 ›› Issue (12) : 3603 -3613.
A simulation model for estimating train and passenger delays in large-scale rail transit networks
A simulation model was proposed to investigate the relationship between train delays and passenger delays and to predict the dynamic passenger distribution in a large-scale rail transit network. It was assumed that the time varying original-destination demand and passenger path choice probability were given. Passengers were assumed not to change their destinations and travel paths after delay occurs. Capacity constraints of train and queue rules of alighting and boarding were taken into account. By using the time-driven simulation, the states of passengers, trains and other facilities in the network were updated every time step. The proposed methodology was also tested in a real network, for demonstration. The results reveal that short train delay does not necessarily result in passenger delays, while, on the contrary, some passengers may get benefits from the short delay. However, large initial train delay may result in not only knock-on train and passenger delays along the same line, but also the passenger delays across the entire rail transit network.
delay simulation / passenger delay / train delay / rail transit network / timetable
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