期刊
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
卷 73, 期 11, 页码 3209-3214出版社
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.73.3209
关键词
traffic flow; signalisation; cellular automata; green wave
We propose a two dimensional probabilistic cellular automata for the description of traffic flow in a small city network composed of two intersections. The traffic in the network is controlled by a set of traffic lights which can be operated both in fixed-time and a traffic responsive manner. Vehicular dynamics is simulated and the total delay experienced by the traffic is evaluated within specified time intervals. We investigate both decentralized and centralized traffic responsive schemes and in particular discuss the implementation of the green-wave strategy. Our investigations prove that the network delay strongly depends on the signalisation strategy. We show that in some traffic conditions, the application of the green-wave scheme may destructively lead to the increment of the global delay.
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