An Efficient Method for Computing Traffic Equilibria in Networks with Asymmetric Transportation Costs

Sang Nguyen and Clermont Dupuis
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Sang Nguyen: University of Montreal, Montreal, Quebec, Canada
Clermont Dupuis: University of Montreal, Montreal, Quebec, Canada

Transportation Science, 1984, vol. 18, issue 2, 185-202

Abstract: In the presence of several user categories or transportation modes, or when transportation costs on each arc of a network depend on the flows on adjacent arcs, the traffic equilibrium problem may be expressed as a variational problem. Methods for determining traffic equilibria are then adaptations of techniques for solving variational inequalities. In this paper, we present a new convex optimization formulation for the general traffic equilibrium problem, and propose a simple iterative method for calculating traffic equilibria, which essentially involves postoptimizing a linear sub-problem at each iteration. Preliminary computational results are reported.

Date: 1984
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Persistent link: https://EconPapers.repec.org/RePEc:inm:ortrsc:v:18:y:1984:i:2:p:185-202

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