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Impact of traffic lights on car accidents at intersections

Author

Listed:
  • R. Marzoug

    (Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma Del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico)

  • N. Lakouari

    (Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma Del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico†Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScl), P. O. Box 1014, Faculty of Sciences, Mohammed V University of Rabat, Morocco)

  • O. Oubram

    (Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma Del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico)

  • H. Ez-Zahraouy

    (#x2020;Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScl), P. O. Box 1014, Faculty of Sciences, Mohammed V University of Rabat, Morocco)

  • A. Khallouk

    (#x2020;Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScl), P. O. Box 1014, Faculty of Sciences, Mohammed V University of Rabat, Morocco)

  • M. Limón-Mendoza

    (Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma Del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico)

  • J. G. Vera-Dimas

    (Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma Del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico)

Abstract

Using the cellular automata Nagel–Schreckenberg (NaSch) model, we numerically study the impact of traffic lights on the probability of car accidents (Pac) at the intersection of two roads. It is found that, the probability Pac is more stable with variation of the green light (T) when the symmetric lights are adopted. Moreover, simulation results show the existence of a critical time Tc, below which (TTc) the growing of α has for effect the decrease of Pac. Furthermore, the decrease of Pac is almost always accompanied by a loss of the flux, especially with asymmetrical lights. To overcome this problem, we proposed a strategy that can greatly increase the flux and keep the probability Pac as small as possible, especially for the low and high injection rates.

Suggested Citation

  • R. Marzoug & N. Lakouari & O. Oubram & H. Ez-Zahraouy & A. Khallouk & M. Limón-Mendoza & J. G. Vera-Dimas, 2018. "Impact of traffic lights on car accidents at intersections," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 29(12), pages 1-14, December.
    • Handle: RePEc:wsi:ijmpcx:v:29:y:2018:i:12:n:s0129183118501218
    DOI: 10.1142/S0129183118501218
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    Cited by:

    1. Marzoug, R. & Lakouari, N. & Ez-Zahraouy, H. & Castillo Téllez, B. & Castillo Téllez, M. & Cisneros Villalobos, L., 2022. "Modeling and simulation of car accidents at a signalized intersection using cellular automata," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 589(C).
    2. Chacoma, A. & Abramson, G. & Kuperman, M.N., 2021. "A phase transition induced by traffic lights on a single lane road," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 568(C).

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