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Since synchronized flow is observed in the real traffic, its mechanism has been investigated in a great deal of traffic models. Various mechanisms have been proposed to explain synchronized flow. In this paper, we proposed a new mechanism, i.e. speed variation dependent randomization. Based on this mechanism, a new cellular automata model is built. The fundamental diagram and spatiotemporal diagrams...
In this paper, the influence of cell size on the dynamics of traffic flow at an on-ramp is investigated by using cellular automata model. The two common methods, i.e., with or without ramp lane, for modeling the on-ramp system are both adopted. The phase diagram and the capacity of the on-ramp system are studied in detail. Capacity drop is a common phenomenon at traffic bottlenecks, especially at...
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