TRIP RATE ANALYSIS IN GPS-ENHANCED PERSONAL TRAVEL SURVEYS. IN: TRANSPORT SURVEY QUALITY AND INNOVATION

The chapter first identifies three common reasons for non-reported trips: lack of care in the case of survey periods of several days; the respondents either forgot or considered them redundant; and the respodent's decision "not to report" the trip. Provided is information on: previous GPS study results; sampling and deployment plans; data collection process; data collection results; data processing overview; and summaries.