A REALISTIC TWO-LANE CELLULAR AUTOMATON MODEL FOR TRAFFIC FLOW

Bin Jia, Rui Jiang and Qing-Song Wu ()
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Bin Jia: School of Engineering Science, University of Science and Technology of China, Hefei 230026, P. R. China
Rui Jiang: School of Engineering Science, University of Science and Technology of China, Hefei 230026, P. R. China
Qing-Song Wu: School of Engineering Science, University of Science and Technology of China, Hefei 230026, P. R. China

International Journal of Modern Physics C (IJMPC), 2004, vol. 15, issue 03, 381-392

Abstract: This paper extends a recently proposed single-lane cellular automaton model [Liet al.,Phys. Rev. E64, 066128 (2001)], which considers the velocity effect of the preceding car, to two-lane traffic system. The traffic behaviors in both homogeneous system and inhomogeneous system are investigated. For homogeneous traffic, it is shown that the velocity effect enhances the maximum flux but does not change the qualitative properties of the fundamental diagram. Nevertheless, the qualitative changes of the lane changing frequency and congested pattern occur. In the inhomogeneous system, the honk effect is studied. It is found that the honk effect first strengthens then weakens with the increase ofR, the ratio of slow cars to all cars.

Keywords: Velocity effect; lane changing frequency; honk effect; two-lane (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (2)

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DOI: 10.1142/S0129183104005796

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