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Cellular automaton model in the fundamental diagram approach reproducing the synchronized outflow of wide moving jams
Authors:Jun-fang Tian  Zhen-zhou YuanBin Jia  Hong-qiang FanTao Wang
Institution:MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, People?s Republic of China
Abstract:Velocity effect and critical velocity are incorporated into the average space gap cellular automaton model J.F. Tian, et al., Phys. A 391 (2012) 3129], which was able to reproduce many spatiotemporal dynamics reported by the three-phase theory except the synchronized outflow of wide moving jams. The physics of traffic breakdown has been explained. Various congested patterns induced by the on-ramp are reproduced. It is shown that the occurrence of synchronized outflow, free outflow of wide moving jams is closely related with drivers time delay in acceleration at the downstream jam front and the critical velocity, respectively.
Keywords:Cellular automaton  Velocity effect  Fundamental diagram  Three-phase theory  Synchronized outflow
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