On the dual approach to the traffic assignment problem

Masao Fukushima

Transportation Research Part B: Methodological, 1984, vol. 18, issue 3, 235-245

Abstract: This paper attempts to explore the possibility of solving the traffic assignment problem with elastic demands by way of its dual problem. It is shown that the dual problem can be formulated as a nonsmooth convex optimization problem of which the objective function values and subgradients are conveniently calculated by solving shortest path problems associated with the transportation network. A subgradient algorithm to solve the dual problem is presented and limited computational experience is reported. The computational results are encouraging enough to demonstrate the effectiveness of the proposed approach.

Date: 1984
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