摘要: The recent shift in transport policy to emphasise travel demand management has directed the attention of planning research towards dynamic processes behaviour: learning and change on one side rhythms routines other. Progress understanding these requires data over long durations, from observation or self- reports. survey reported here provides for first time 30 years a source suitable address issues. project Mobidrive, funded by German ministry Research Education, conducted six-week continuous diary, with aim analyse behaviour respondents. dairy was Karlsruhe Halle, two cities about 300'000 inhabitants, fall 1999. A total 317 persons 6 age 139 households participated main study. description covers development forms, design protocol, screening experiences (including participation rates) an assessment quality terms item/unit non-response reporting fatigue. paper closes outlook analyses planned team.