Application Study of Petri-Net Simulator to Bus Traffic Simulation

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For planning on bus priority systems, we need sensible to constrain from the real space on site. In this paper, we try fundamental study to apply Petri-net Traffic Simulator, which use visual net description of planning alternatives on the real space, to bus priority problem. The simulator has dealt with traffic flows of regular sized cars only. As buses are large sized cars, we first expand description net of traffic flow by introducing new type places denoted P (-3), which correspond to “bus presence in the block ” and occupy two blocks of regular sized cars. Next, we expand Vptimer.txt., which rules renewal of vehicle's desired speed in simulation, and add the renewal table for buses. We success construction and demonstration of mixed traffic flow net of regular and large sided cars using our software of Petri-net Traffic Simulator. We apply this expanded net to bus traffic simulation by adding other sub-nets like on-and-off service at bus stop. Finally, we construct simulation nets of both cases of on-and-off of bus priority lane at real road in Kanazawa and do some verification discussion.