Urban travel survey methods: measuring the present, simulating the future. – The quality of data from urban travel surveys has always been a major pre-occupation of survey designers and managers. This issue has become even more acute now that most urban areas face the triple dilemma of reconciling urban travel demand with the problems of financing, congestion and environmental quality. In this context, the search is on for innovative solutions, notably improved demand management measures. The evaluation of these measures call for more detailed and reliable survey data, and for a better understanding of the processes underlying shifts in travel behaviour; both are needed to build and feed models which are sensitive to policies aimed at modif...