Volume 65, Number 2, January 2004
|Page(s)||283 - 289|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 January 2004|
Adaptive drivers in a model of urban traffic
INFM–SMC and Dipartimento di Fisica, Università di Roma “La Sapienza” p.le A. Moro 2, 00185 Roma, Italy
2 The Abdus Salam ICTP - Strada Costiera 14, 34014 Trieste, Italy
3 Henri Poincaré Chair of Complex Systems and Superconductivity Laboratory Physics Faculty and IMRE, Universidad de la Habana - CP 10400, La Habana, Cuba
Accepted: 5 November 2003
We introduce a simple lattice model of traffic flow in a city where drivers optimize their route selection in time in order to avoid traffic jams, and study its phase structure as a function of the density of vehicles and of the drivers' behavioral parameters via numerical simulations and mean-field analytical arguments. We identify a phase transition between a low- and a high-density regime. In the latter, inductive drivers may surprisingly behave worse than randomly selecting drivers.
PACS: 87.23.Ge – Dynamics of social systems / 05.65.+b – Self-organized systems
© EDP Sciences, 2004
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