A Multi-Disciplinary Perspective
Edited by Erik Verhoef, Michiel Bliemer, Linda Steg and Bert van Wee
Chapter 4: Travellers’ Responses to Road Pricing: Value of Time, Schedule Delay and Unreliability
1 Dirk van Amelsfort, Piet Bovy, Michiel Bliemer and Barry Ubbels 4.1 INTRODUCTION In recent years considerable attention has been paid to the inﬂuence of travel-time unreliability on the choice behaviour of travellers. It is clear that the unreliability of travel time inﬂuences diﬀerent choices of travellers such as mode choice, departure-time choice and route choice. These travel choices are also inﬂuenced by the introduction of road pricing, the general topic of this book. The behavioural changes as a result of road pricing are likely to cause changes in network performance, thus inﬂuencing traveltime unreliability. Our overall objective of research is to investigate and model the behavioural responses and network eﬀects of time-varying roadpricing measures. To that end, empirical data were collected about the choice behaviour of commuters, and diﬀerent choice models were estimated. This chapter focuses on how the travel-time unreliability can be taken into account in departure-time choice models and investigates how resulting values of travel time and travel-time reliability, and values of scheduling delay components compare with values found elsewhere. The aim of this chapter is to contribute to the current discussion about modelling choice behaviour, including travel-time unreliability, by presenting results from diﬀerent models estimated on recently collected stated choice data from Dutch commuters. The research discussed in this chapter provides useful new insights into a relatively unknown concept (at least for the Dutch situation), and updates the value of time for an important target group (that is,...
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