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The value of time of car drivers’ route choice

Project Number: 327

Project Leader: Maria Börjesson

Start Date: 2013-05-01

End Date: 2014-12-31

Research Question A crucial parameter when forecasting route choice in networks with road pricing is the assumed value of time for car drivers. This will determine to what extent drivers are willing to take detours to avoid being charged. The purpose of this paper is to investigate this question using survey data from the Stockholm congestion charging trial. During the Stockholm congestion charging trial, drivers between the northern part of Stockholm and the southern part had the choice to pay a congestion charge to go through the city centre, or go around the city centre using the free-of-charge but heavily congested Essinge bypass. Using travel surveys from before and during the trial, it is possible to estimate the implicit value of time for car drivers facing the choice between a shorter, tolled routed and a longer, free route.

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