A Study on Pedestrian Flow by Using an Agent Model —A Simulation Analysis on the Asagiri Overpass Accident, 2001—
The purpose of this paper is to analyze pedestrian flows on road crossing and overpasses through applying agent-based simulation that has pedestrian’s 18 behavioral rules on cellular-automata space. As a case study of high-density flow simulation, the authors try to trace an occurrence process of the accident of Asagiri Pedestrian Overpass, Akashi City, which several news media had reported, by the ‘falling down like ninepins by confrontation flows’ hypothesis. In the low-density case, through comparing between the simulation results and the survey data, we have verified similar patterns of the pedestrian flow under our devised rule conditions. In the high-density case, under an assumption of the confrontation flows hypothesis, we verified that the point triggered the actual accident and the simulation result coincided nearly. Thus, our agent simulation has the potentials to get insightful suggestions on analyses on pedestrians’ accidents.
KeywordAgent-Base Simulation Pedestrian Flow Accident Analysis
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