24th EANN 2023, 14 - 17 June 2023, León, Spain

Optimal Traffic Flow Distributions on Dynamic Networks

Armen Bagdasaryan, Antonios Kalampakas, Mansoor Saburov, Stefanos Spartalis


  In a parallel network, the Wardrop equilibrium is the optimal distribution of the given total one unit flow across alternative parallel links that minimizes the effective costs of the links which are defined as the sum of the latency at the given flow and the price of the link. Meanwhile, the system optimum is the optimal distribution of the given total one unit flow for which the average effective cost is minimal. In this paper, we study the so-called Wardrop optimal flow that is the Wardrop equilibrium as well as the system optimum of the network. We propose a discrete-time replicator equation on a Wardrop optimal network for which the Nash equilibrium, the Wardrop equilibrium and the system optimum are the same flow distribution in the dynamic network.We also describe the conceptual and functional model of intelligent information system for dynamic traffic flow assignment in transportation networks.  

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