publication . Preprint . 2012

Inter-temporal variation in the travel time and travel cost parameters of transport models

Börjesson, Maria;
Open Access
  • Published: 04 May 2012
Abstract
The parameters for travel time and travel cost are central in travel demand forecasting models. Since valuation of infrastructure investments requires prediction of travel demand for future evaluation years, inter-temporal variation of the travel time and travel cost parameters is a key issue in forecasting. Using two identical stated choice experiments conducted among Swedish drivers with an interval of 13 years, 1994 and 2007, this paper estimates the inter-temporal variation in travel time and cost parameters. It is found that the travel time parameter has remained constant over time but that the travel cost parameter has declined in real terms. The trend dec...
Subjects
free text keywords: Travel demand forecasting; Inter-temporal income elasticity; Marginal disutility of time; Marginal disutility of cost; Time parameter; Cost parameter; Stated preference; Replicated survey, jel:C25, jel:D61, jel:J22, jel:R41, jel:R42
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