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Localized defects in a cellular automaton model for traffic flow with phase separation

Author

Listed:
  • Pottmeier, A.
  • Barlovic, R.
  • Knospe, W.
  • Schadschneider, A.
  • Schreckenberg, M.

Abstract

We study the impact of a localized defect in a cellular automaton model for traffic flow which exhibits metastable states and phase separation. The defect is implemented by locally limiting the maximal possible flow through an increase of the deceleration probability. Depending on the magnitude of the defect three phases can be identified in the system. One of these phases shows the characteristics of stop-and-go traffic which cannot be found in the model without lattice defect. Thus our results provide evidence that even in a model with strong phase separation stop-and-go traffic can occur if local defects exist. From a physical point of view the model describes the competition between two mechanisms of phase separation.

Suggested Citation

  • Pottmeier, A. & Barlovic, R. & Knospe, W. & Schadschneider, A. & Schreckenberg, M., 2002. "Localized defects in a cellular automaton model for traffic flow with phase separation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 308(1), pages 471-482.
    • Handle: RePEc:eee:phsmap:v:308:y:2002:i:1:p:471-482
    DOI: 10.1016/S0378-4371(02)00547-2
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    Citations

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    Cited by:

    1. Ziwen Song & Feng Sun & Rongji Zhang & Yingcui Du & Guiliang Zhou, 2021. "An Improved Cellular Automaton Traffic Model Based on STCA Model Considering Variable Direction Lanes in I-VICS," Sustainability, MDPI, vol. 13(24), pages 1-17, December.
    2. Hou, Guangyang & Chen, Suren & Bao, Yulong, 2022. "Development of travel time functions for disrupted urban arterials with microscopic traffic simulation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 593(C).
    3. Bouadi, M. & Jetto, K. & Benyoussef, A. & El Kenz, A., 2017. "The investigation of the reentrance phenomenon in cellular automaton traffic flow model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 469(C), pages 1-14.
    4. Vranken, Tim & Schreckenberg, Michael, 2022. "Modelling multi-lane heterogeneous traffic flow with human-driven, automated, and communicating automated vehicles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 589(C).
    5. Chmura, Thorsten & Herz, Benedikt & Knorr, Florian & Pitz, Thomas & Schreckenberg, Michael, 2014. "A simple stochastic cellular automaton for synchronized traffic flow," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 405(C), pages 332-337.

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