Robust Wardrop's user equilibrium assignment under stochastic demand and supply: Expected residual minimization approach

Chao Zhang, Xiaojun Chen and Agachai Sumalee

Transportation Research Part B: Methodological, 2011, vol. 45, issue 3, 534-552

Abstract: Various models of traffic assignment under stochastic environment have been proposed recently, mainly by assuming different travelers' behavior against uncertainties. This paper focuses on the expected residual minimization (ERM) model to provide a robust traffic assignment with an emphasis on the planner's perspective. The model is further extended to obtain a stochastic prediction of the traffic volumes by the technique of path choice approach. We show theoretically the existence and the robustness of the ERM solution. In addition, we employ an improved solution algorithm for solving the ERM model. Numerical experiments are carried out to illustrate the characteristics of the proposed model, by comparing with other existing models.

Keywords: Wardrop's; user; equilibrium; Robust; traffic; assignment; Demand; and; supply; uncertainty; Nonadditive; cost; Expected; residual; minimization (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (17)

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