- Ascertain the mobility of the population and the characteristics of the journeys made.
- Institutions that intervene
- General description (main variables)
- Place of origin and destination, reason for the journey, duration, number of participants, means of transport. By sample.
- Family households
- Frequency of data collection
- Budgetary credits necessary for its finance in the four-year period 1997-2000 (in thousands pesetas)