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2009/07/17

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Editor-in-Chief: Carlos Gershenson
Founding Editor: Gottfried Mayer

Modeling self-organizing traffic lights with elementary cellular automata,
arXiv
 









Excerpt: There have been several highway traffic models proposed based on
cellular automata. The simplest one is elementary cellular automaton rule 184.
We extend this model to city traffic with cellular automata coupled at
intersections using only rules 184, 252, and 136. The simplicity of the model
offers a clear understanding of the main properties of city traffic and its
phase transitions.  We use the proposed model to compare two methods for
coordinating traffic lights: a green-wave method that tries to optimize phases
according to expected flows and a self-organizing method that adapts to the
current traffic conditions. The self-organizing method delivers considerable
improvements over the green-wave method. (...)
Source: Modeling self-organizing traffic lights with elementary cellular
automata[ http://arXiv.org/abs/0907.1925 ], Carlos Gershenson and David A.
Rosenblueth, arXiv:0907.1925, 2009/07/10

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