Analyzing time sensitivity to discomfort in the Paris subway: an interval data model approach

Document Type

Journal Article

Publication Date


Subject Area

place - europe, mode - subway/metro, planning - surveys, ridership - elasticity, economics - willingness to pay, economics - value of time


Travel discomfort-time tradeoff, Stated choice survey, Interval data model


We analyze individual travel discomfort-time tradeoffs in the Paris subway using stated choice experiments. The survey design allows to set up in a willingness-to-pay space to estimate the distributions of elasticities of values of travel time to crowd density and time multipliers. Several formulations of a generalized travel cost function are tested. Accounting for heterogeneity in preferences, the econometric models all take the form of an ordered probit with known bounds. We derive several estimates that could be used for fine-tuning of traffic simulation systems and more general transportation policy analysis.


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