Physics – Physics and Society
Scientific paper
2005-11-16
J. Phys. Soc. Jpn. 73, 3209 ( 2004)
Physics
Physics and Society
8 pages, 10 eps figures, Revtex
Scientific paper
10.1143/JPSJ.73.3209
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 {\it 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.
Fouladvand Ebrahim M.
Sadjadi Zeinab
Shaebani Reza M.
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