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Reliable measures of the valuation of travel time savings (VTTS) are a crucial input into policy planning in any regional or national context. However, the evidence from secondary or parallel VTTS studies often differs from those of official or national studies. In this paper, we present evidence from a study aimed at merging evidence from four separate VTTS studies conducted in Switzerland. The analysis shows the potential of models estimated jointly on the combined data, and produces very stable results that should be more representative of the overall population. Hess, S., Erath, A. and Axhausen, K.W. 3

Estimates of the valuation of travel time savings in Switzerland obtained from pooled data