DATELINE DATELINE EXTRA PMWG Meeting, Luxembourg, 24/25 April 2003 Design and Application of a Travel survey for European Long-distance trips based on an International Network of Expertise DATELINE EXTRA PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Index Presentation DATELINE EXTRA Background Objectives Methodology Expected results Response figures Planning PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Background DATELINE SURVEY IN THE NETHERLANDS From June 2001 to May 2002 Goal was EU sample (2940) + extension (3750) = 6690 persons Result was 7460 persons EXTENDED SAMPLE IS INTENDED TO BE USED FOR National analysis Planning purposes PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Background Within the survey period September 11th happened Need to know the effects to build a solid database Therefore extension survey to cover respective period again Opportunity to test a methodology how surveying day-to-day and long-distance mobility can be combined PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 September 11th Effect EU + SWITZERLAND: Long-distance journeys by travel month (%) PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Objectives TWO MAIN OBJECTIVES Surveying the period October 2002 to May 2003 in order to correct the DATELINE database for the effects of September 11th Testing methodology in which the collection of long-distance data (DATELINE-survey) and daily mobility data (National Travel Survey) is combined PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Methodology Survey period is October 2002 to March 2003 1.200 usable returns (200 each month) PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Methodology Additionally 1.500 persons will be interviewed for their day-to-day mobility The questionnaire from the pilot study for the National Travel Survey (OVG) will be used Survey period is September 2002 to February 2003 Following the respondents will be interviewed for their long-distance travelling in the following month (October 2002 to March 2003) Expected respondents for follow up 1.200 PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Methodology Total long-distance survey will end up with 2.400 returns. In the National Travel Survey some key questions concerning long-distance mobility have been placed. This gives the possibility to correct for non-respondents in de DATELINE survey PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Expected Results Alignment of the DATELINE surveys for building the reference dataset Determination of the September 11th effect and derivation of correction factors for DATELINE survey 2000 / 2001 Examination of a satellite structure of the OVG and reviewing the effect by comparing the two DATELINE samples Building an integrated database, combining the total mobility (daily and long-distance) for analysis PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Response Figures NTS DATELINE DATELINE DATELINE NTS only Total Sept 81% Okt 82% 86% 78% 82% Nov 82% 87% 80% 84% Dec 83% 90% 78% 83% Jan 85% 87% 77% 81% Feb 84% 89% 74% 82% PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Response Rates SURVEY MONTH DATELINE DATELINE PHASE I PHASE II October November December January February March 82% 84% 83% 81% 92% 94% 93% 91% PMWG Meeting, Luxembourg, 24/25 April 2003
PMWG Meeting, Luxembourg, 24/25 April 2003 Planning February 2003 last month NTS March 2003 last month DATELINE August 2003 Final results and end of project PMWG Meeting, Luxembourg, 24/25 April 2003