Abstract
An extended cell transmission model is proposed to simulate bi-directional pedestrian flow in the corridor. In the model, the walking space is discretized into regular hexagonal cells. Three walking preferences of pedestrians are taken into account, including walking on the right-hand side, following front people in the same direction, and avoiding conflicts with ones in the opposite direction. An implementation of the model with periodic boundary condition is then presented. Furthermore, by simulation experiments, we show the effects of the model parameters on flow distributions and fundamental diagrams. The model is also calibrated through comparing the flow-density relationships from empirical data and model simulations. In addition, the model can successfully reproduce typical self-organization phenomena in bi-directional pedestrian flow, e.g., two-lane formation and multi-lane formation, although it is not a microscopic model.
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