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Disorder effects in cellular automata for two-lane traffic


  • Knospe, Wolfgang
  • Santen, Ludger
  • Schadschneider, Andreas
  • Schreckenberg, Michael


For single-lane traffic models it is well known that particle disorder leads to platoon formation at low densities. Here we discuss the effect of slow cars in two-lane systems. Surprisingly, even a small number of slow cars can initiate the formation of platoons at low densities. The robustness of this phenomenon is investigated for different variants of the lane-changing rules as well as for different variants on the single-lane dynamics. It is shown that anticipation of drivers reduces the influence of slow cars drastically.

Suggested Citation

  • Knospe, Wolfgang & Santen, Ludger & Schadschneider, Andreas & Schreckenberg, Michael, 1999. "Disorder effects in cellular automata for two-lane traffic," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 265(3), pages 614-633.
  • Handle: RePEc:eee:phsmap:v:265:y:1999:i:3:p:614-633
    DOI: 10.1016/S0378-4371(98)00565-2

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    Cited by:

    1. Lv, Wei & Song, Wei-guo & Fang, Zhi-ming & Ma, Jian, 2013. "Modelling of lane-changing behaviour integrating with merging effect before a city road bottleneck," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(20), pages 5143-5153.
    2. Harris, R.J. & Stinchcombe, R.B., 2005. "Ideal and disordered two-lane traffic models," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 354(C), pages 582-596.


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