Abstract
With the construction of the urban rail transit (URT) network, the explosion of passenger volume is more rapid than the increased capacity of the newly built infrastructure, which results in serious passenger flow congestion (PLC). Understanding the propagation process of PLC is the key to formulate sustainable policies for reducing congestion and optimizing management. This study proposes a susceptible-infected-recovered (SIR) model based on the theories of epidemiological dynamics and complex network to analyze the PLC propagation. We simulate the PLC propagation under various situations, and analyze the sensitivity of PLC propagation to model parameters. Finally, the control strategies of restricting PLC propagation are introduced from two aspects, namely, supply control and demand control. The results indicate that both of the two control strategies contribute to relieving congestion pressure. The propagating scope of PLC is more sensitive when taking mild supply control, whereas, the demand control strategy shows some advantages in flexibly implementing and dealing with serious congestion. These results are of important guidance for URT agencies to understand the mechanism of PLC propagation and formulate appropriate congestion control strategies.
Highlights
Urban rail transit (URT) plays a critical role in the modern cities with its multiple advantages of
This study proposes control, a susceptible-infected-recovered (SIR) control model based on the shows theories some of epidemiological taking mild supply whereas, the demand strategy advantages in flexibly dynamics and complex network to analyze the passenger flow congestion (PLC) propagation
We propose a model to simulate passenger flow congestion propagation based on the theories of virus propagation dynamics and complex network theory
Summary
Urban rail transit (URT) plays a critical role in the modern cities with its multiple advantages of. 1. Introduction large capacity, high speed, and low energy consumption. There are over 100 cities all over. Urban rail transit (URT) plays a critical role in the modern cities with its multiple advantages of the world that have been operating. 31, 2016, total large capacity, high speed, and URT. 1004152.8 cities allkm over of URT lines theinto world that have been operating URT
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