On the impact of vehicle automation on the value of travel time while performing work and leisure activities in a car

Theoretical insights and results from a stated preference survey – A comment

Journal article (2020)

Authors

B. Pudane Transport and Logistics - TPM
Gonçalo Correia Transport and Planning - CEG
Research Group
Transport and Logistics (TPM) (TU Delft)
Copyright: © 2020 B. Pudane, Gonçalo Correia
DOI
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https://doi.org/10.1016/j.tra.2019.11.019
Automated vehicles Comment Time-use model On-board activities Value of travel time Microeconomics theory
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Published Date

2020

Language

English

Reuse Rights

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Faculty

Technology, Policy and Management

Department

Engineering, Systems and Services

Research Group

Transport and Logistics

Abstract

This note revises the theoretical insights concerning the Value of Travel Time for automated vehicles as derived in a recent paper in this journal (Correia et al., 2019). That paper concluded that Value of Travel Time in an automated vehicle should be lower than in a conventional vehicle by salary rate, if the traveller works during the trip, and unchanged compared to conventional vehicles, if the traveller engages in leisure activities while travelling. However, these conclusions have limited validity, because the models, upon which they are based, contain a term whose interpretation differs across the models. This note clarifies this interpretation and offers an alternative extended model, which allows comparison across models. The alternative model provides an intuitive result: the facilitation-level of on-board activities determines the reduction of the Value of Travel Time in the automated vehicle. If automated vehicles provide identical work or leisure experience to out-of-vehicle locations, then the opportunity costs of travel time are erased and the Value of Travel Time equals the intrinsic costs of travel, which is strictly smaller than the Value of Travel Time in a conventional vehicle.