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Over-reporting vs. overreacting: Commuters’ perceptions of travel times

Stefanie Peer (), Jasper Knockaert, Paul Koster () and Erik Verhoef ()

Transportation Research Part A: Policy and Practice, 2014, vol. 69, issue C, 476-494

Abstract: In a large-scale, real-life peak avoidance experiment, we asked participants to provide estimates of their average in-vehicle travel time during their morning commute. After comparing the reported travel times with the actual corresponding travel times, we found that the average travel times were overstated by a factor of 1.5. We showed that driver- and link-specific characteristics partially explained these exaggerations. Using the stated and revealed preference data, we investigated whether the driver-specific reporting errors were consistent with the drivers’ scheduling behaviors in reality and in hypothetical choice experiments. In both cases, we found no robust evidence that drivers behave as if they misperceive travel times to a similar extent as those they misreported, thereby implying that the reported travel times did not represent the actual or perceived travel times in a truthful manner. The results of this study suggest that caution should be recommended when reported travel time data are used in an uncritical manner during transport research and when determining policy.

Keywords: Travel time perception; Reported travel times; Valuation of travel time; Scheduling choices; Panel latent class models; SP & RP data (search for similar items in EconPapers)
Date: 2014
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Working Paper: Overreporting vs. Overreacting: Commuters' Perceptions of Travel Times (2013) Downloads
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DOI: 10.1016/j.tra.2014.07.005

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