In the last few decades, several "soft" transport policy measures have arisen in order to shift people voluntarily out of their cars to public transport or non-polluting travel modes, such as walk or bicycle. Considering the activities as precursor of trips, travel changes affect the way people manage their agendas, so it is clear to think that behaviour change is associated with the flexibility to change daily schedules. The aim of this paper is to present a preliminary analysis of the

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... ns on the activity-travel scheduling process, particularly in the rescheduling time horizon, after participation in Travel Behavior Change Programs (TBCP). For this purpose, it has been used a new dataset from a two-wave activity scheduling process panel survey conducted over a period of two years in the city of Valencia (Spain). Part of the respondents participated in TPCP between both waves. Results show that there are significant differences in the rescheduling time horizon between those respondents who participated in TBCP and those who did not.