Modelling route choice behaviour in a tolled road network with a time surplus maximisation bi-objective user equilibrium model

Judith Y.T. Wang and Matthias Ehrgott

Transportation Research Part B: Methodological, 2013, vol. 57, issue C, 342-360

Abstract: In this paper, we propose a novel approach to model route choice behaviour in a tolled road network with a bi-objective approach, assuming that all users have two objectives: (1) minimise travel time; and (2) minimise toll cost. We assume further that users have different preferences in the sense that for any given path with a specific toll, there is a limit on the time that an individual would be willing to spend. Different users can have different preferences represented by this indifference curve between toll and time. Time surplus is defined as the maximum time minus the actual time. Given a set of paths, the one with the highest (or least negative) time surplus will be the preferred path for the individual. This will result in a bi-objective equilibrium solution satisfying the time surplus maximisation bi-objective user equilibrium (TSmaxBUE) condition. That is, for each O–D pair, all individuals are travelling on the path with the highest time surplus value among all the efficient paths between this O–D pair.

Keywords: Traffic assignment; Route choice; Equilibrium problem; Multi-objective optimisation (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (15)

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DOI: 10.1016/j.trb.2013.05.011

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