Modeling and solving the dynamic user equilibrium route and departure time choice problem in network with queues

Modeling and solving the dynamic user equilibrium route and departure time choice problem in network with queues

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Article ID: iaor20031162
Country: United Kingdom
Volume: 36B
Issue: 3
Start Page Number: 253
End Page Number: 273
Publication Date: Mar 2002
Journal: Transportation Research. Part B: Methodological
Authors: ,
Keywords: transportation: general, programming: transportation, networks: path, numerical analysis, queues: applications
Abstract:

This paper considers a simultaneous route and departure time choice equilibrium assignment problem in network with queues. The problem is modeled on discrete-time basis and formulated as an equivalent ‘zero–extreme value’ minimization problem, in which the first-in-first-out behavior at intersection is guaranteed by proper formulation of the dynamic link travel times. A heuristic solution algorithm is proposed, which simulates a normal day-to-day dynamic system by a route/time-swapping process, thereby reaching to an extreme point of the minimization problem. The existence of discrete-time dynamic user-equilibrium solutions is investigated. The iteration-to-iteration stability of the proposed algorithm is discussed, together with numerical results on two example networks.

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