Table 1 Characteristics of the surveys compared

Name of survey

Household Travel Surveys (EMD)

Microcensus2000

Belgian mobility survey (MOBEL)

Year

1997 (Strasbourg)

2001 (Rennes)

2002 (Grenoble)

2006 (Lyon)

2000

1998–1999

Survey method

Household interview

Computer-assisted telephone interview (CATI)

Mail-in survey with additional follow-up by telephone, if necessary

Respondents

All persons in household 5 years or +

1 person (+6 years.) per household (if household <4 people); if >4, 2 people surveyed

All people in household + 6 years.

Days of trips

All trips made on the day (weekday) preceding the day of the survey

All trips made 1–2 days before the survey date *

All trips made the day before the inquiry *

Survey period

A reference day over a period of several months in a year (October to May)

A reference day over an entire year

A reference day over a period of several months in a year (October to May)