Physics – Data Analysis – Statistics and Probability
Scientific paper
2008-03-18
International Journal of Modern Physics C, Volume 20, Issue 01, pp. 117-131 (2009).
Physics
Data Analysis, Statistics and Probability
revised according to the helpful comments from the anonymous reviewers
Scientific paper
10.1142/S0129183109013509
To provide a more accurate description of the driving behaviors in vehicle queues, a namely Markov-Gap cellular automata model is proposed in this paper. It views the variation of the gap between two consequent vehicles as a Markov process whose stationary distribution corresponds to the observed distribution of practical gaps. The multiformity of this Markov process provides the model enough flexibility to describe various driving behaviors. Two examples are given to show how to specialize it for different scenarios: usually mentioned flows on freeways and start-up flows at signalized intersections. The agreement between the empirical observations and the simulation results suggests the soundness of this new approach.
Hu Jianming
Ji Yan
Jin Xuexiang
Li Li
Su Yuelong
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