• Type of survey: continuous on a monthly basis.
  • Population scope: companies involved in passenger transport irrespective of their main activity.
  • Geographical scope: the entire national territory.
  • Reference period of the results: month
  • Reference period of the information: month
  • Sample size: approximately 1,500 companies
  • Type of sampling: stratified random sampling of companies, by AACC, number of employees and type of transport.
  • Collection method: completion of the questionnaire by the respondent using one of the following means: Internet (IRIA system), e-mail, fax, telephone or postal mail.

Methodological documents , questionnaires , classifications ...