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Connected vehicles at single lane roundabouts and its performance evaluation

Author

Listed:
  • H. Echab

    (Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScI), Unité de Recherche labellisée CNRST, URL-CNRST-17, Faculty of Sciences in Rabat, Mohammed V University in Rabat, P. O. Box 1014, Morocco)

  • L. Kouli

    (Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScI), Unité de Recherche labellisée CNRST, URL-CNRST-17, Faculty of Sciences in Rabat, Mohammed V University in Rabat, P. O. Box 1014, Morocco)

  • H. Ez-Zahraouy

    (Laboratoire de Matière Condensée et Sciences Interdisciplinaries (LaMCScI), Unité de Recherche labellisée CNRST, URL-CNRST-17, Faculty of Sciences in Rabat, Mohammed V University in Rabat, P. O. Box 1014, Morocco)

Abstract

Connected vehicles (CVs) have led to innovative changes in the transportation field. In this wise, an extended CA model was established incorporating the CVs and regular vehicles to investigate a roundabout traffic flow under the open boundary condition. The throughput and the phase diagrams of the system in the (α1,α2) area is constructed in both cases: with and without CVs. The density profile and the capacity are also calculated. The simulation findings show that CVs presentation changes the traffic dynamics, enhancing roundabout capacity in accordance with the CVs penetration rate. Furthermore, it is found that roundabout size plays a dominant role in its performance where it suggests that the midsized roundabouts operate more optimally. Another relevant aspect is the short sized of Splitter Island shows a better performance. Moreover, the traffic dynamics is negatively (resp. positively) correlated to the probability of displaying indicator Pind as well as the probability of aggressive driving behavior of regular vehicles (resp. the cooperation probability Pcop).

Suggested Citation

  • H. Echab & L. Kouli & H. Ez-Zahraouy, 2023. "Connected vehicles at single lane roundabouts and its performance evaluation," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 34(01), pages 1-19, January.
    • Handle: RePEc:wsi:ijmpcx:v:34:y:2023:i:01:n:s0129183123500055
    DOI: 10.1142/S0129183123500055
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