Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 354, Issue -, Pages 582-596Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2005.02.030
Keywords
nonequilibrium physics; two-lane traffic; disorder; asymmetric exclusion process
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We introduce a simple lattice-based exclusion model which can be considered as a crude representation of traffic on a two-lane motorway. The model is a two-lane generalization of the asymmetric simple exclusion process which is known to reproduce some of the features of single-lane traffic such as shocks and jams. A mean-field analysis for the steady state of the pure two-lane system is supported by Monte Carlo simulations. We then discuss the effect of quenched bond disorder on the current-density relation and draw comparisons with the disordered single-lane case. (c) 2005 Elsevier B.V. All rights reserved.
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