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The hypothetical alternatives were described in terms of travel time, travel costs and reliability, where reliability was presented to the respondents in the form of five possible travel times which are equally likely to happen.</p><p>For passenger transport (comprising car, train, bus/tram/metro, plane and recreational navigation), we first collected interviews using an existing internet panel. In an additional data collection, recruitment was done by asking travellers at petrol stations/service areas, parking garages, stations, bus stops, airports and ports to participate in the survey. One important conclusion is that the SP survey using members of an internet panel leads to substantially lower VOTs than the SP survey with en-route recruitment, because of self-selection bias in the internet panel. For freight transport, shippers and carriers were interviewed using computer-assisted personal interviews<br><br>We estimated discrete choice models on the passenger SP data in which the values of time differ between trips with different time and costs levels, different time and costs changes offered in the SP, and different characteristics of the respondents (e.g. education, income, age, household composition). By using a panel latent class model, we also account for unobserved differences between respondents in the value of time and for repeated measurements/panel effects. 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