Solving UE assignment problem of mixed traffic networks with elastic demands using ant algorithm
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According to the status of Chinese urban road networks containing vehicle and non-vehicle traffic flows,an optimization strategy based on the ant algorithm,is put forward to solve user equilibrium assignment problem of mixed traffic networks on elastic demands.At the same time,based on the principle of the ant algorithm's strategy,the procedure of concrete realization steps is designed for user equilibrium assignment model of mixed traffic networks with elastic demands and tested by using an example.At the end,the computation result shows that the ant colony optimization strategy outperforms the conventional optimal algorithm on the aspects of probability and computing speed.