The Braess's Paradox (BP) is the observation that adding one or more roads to the existing road network will counter-intuitively increase traffic congestion and slow down the overall traffic flow. Previously, the existence of the BP is modeled using the static traffic assignment model, which solves for the user equilibrium subject to network flow conservation to find the equilibrium state and distributes all vehicles instantaneously. Such approach neglects the dynamic nature of real-world traffic, including vehicle behaviors and the interaction between vehicles and the infrastructure. As such, this article proposes a dynamic traffic network model and empirically validates the existence of the BP under dynamic traffic. In particular, we use microsimulation environment to study the impacts of an added path on a 2-by-3 all stop-controlled grid network. We explore how the network flow, vehicle travel time, and network capacity respond, as well as when the BP will occur. We find that adding a path to the network does not increase the overall network output flow and worsens it when the added path is more attractive. We observe that traffic flow on the added path increases first, but decreases after the demand level reaches an inflection point. The added path worsens the average travel time of all vehicles and does not provide additional operational capacity to the network.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    The Braess's Paradox in Dynamic Traffic


    Beteiligte:
    Zhuang, Dingyi (Autor:in) / Huang, Yuzhu (Autor:in) / Jayawardana, Vindula (Autor:in) / Zhao, Jinhua (Autor:in) / Suo, Dajiang (Autor:in) / Wu, Cathy (Autor:in)


    Erscheinungsdatum :

    08.10.2022


    Format / Umfang :

    1723691 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Queue Spillback in Braess's Paradox Considering Dynamic Traffic Assignment

    Wei, He ;Dai, Ji Feng | Trans Tech Publications | 2013


    Braess's paradox of traffic flow

    Murchland, J.D. | Elsevier | 1970


    Characterizing Braess's paradox for traffic networks

    Hagstrom, J.N. / Abrams, R.A. | IEEE | 2001


    Characterizing Braess's Paradox for Traffic Networks

    Hagstrom, J. N. / Abrams, R. A. / IEEE | British Library Conference Proceedings | 2001