Printed, (after more than a year in “online first” purgatory) and now available for FREE Viewing.
- Di, Xuan, Henry Liu, Shanjiang Zhu, and David Levinson (2017) Indifference Bands for Route Switching. Transportation. 44:1169–1194 [doi] [full-text view only]
Abstract: The replacement I-35W bridge in Minneapolis saw less traffic than the original bridge though it provided substantial travel time saving for many travelers. This observation cannot be explained by the classical route choice assumption that travelers always take the shortest path. Accordingly, a boundedly rational route switching model is proposed assuming that travelers will not switch to the new bridge unless travel time saving goes beyond a threshold or “indifference band”. To validate the boundedly rational route switching assumption, route choices of 78 subjects from a GPS travel behavior study were analyzed before and after the addition of the new I-35W bridge. Indifference bands are estimated for both commuters who were previously bridge users and those who never had the experience of using the old bridge. This study offers the first empirical estimation of bounded rationality parameters from GPS data and provides guidelines for traffic assignment.
Bounded rationality, Indifference band, Empirical estimation, GPS study, Route Choice
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