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Lessons from Swiss Mikrozensus 2010: Data Collection and Future Prospects

This presentation explores the Swiss Mikrozensus 2010 data collection methods, including CATI interviews and geocoding. Lessons learned, such as effective route capturing and integration for choice modeling, are highlighted. Suggestions for Mikrozensus 2015 improvements, like random sampling and enhanced routing, are discussed.

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Lessons from Swiss Mikrozensus 2010: Data Collection and Future Prospects

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  1. Preferred citation style for this presentation • Axhausen K.W.(2012) Swiss Mikrozensus and its lessons, presentation at the “National Travel Surveys in Transition: International Perspective”, 91st Annual Meeting of the Transportation Research Board, Washington, D.C., January 2012.

  2. Swiss Mikrozensus and its lessons KW Axhausen January 2012

  3. Acknowledgements • Federal Office of Statistics (Marc Gindraux) • Federal Office of Spatial Development (Kurt Infanger, Helmut Honermann, TimoOhnmacht) • IVT (Claude Weis, Alex Erath) • TransSol (Phillip Fröhlich) • Transoptima (MilenkoVrtic)

  4. Funding: Mikrozensus 2010 • Federal Office of Statistics • Federal Office of Spatial Development • As responsible body for the National Passenger Travel Demand Model (VISUM and VISEVA) • Add-ons bought by various Cantons and municipalities • Support by • Other federal offices • ETHs

  5. Format: Mikrozensus 2010 • Geocoded CATI (LINK) • Person-based interview • Stage-based interview • Car-based routes characterised by two waypoints • Add-on modules (LINK) • Day trips without overnight stays • Journeys with overnights stays • Attitude towards transport policy • Integrated – but independent – SPs (IVT) • Mode choice • Route/departure time choice

  6. Samples: Mikrozensus 2010 • Household-based interviews (59’971) • Person-based interview (62’868) • Stage-based interview (310’193 stages) • Individual motor traffic-routes characterised by two viapoints (> 3km) • Train routes based on digitalised train network and HAFAS • Independent SPs based on following-up recruitment question (IVT)

  7. Protocol: Mikrozensus 2010 • CATI with a series of call attempts (no incentive) (72% response rate) • Recruitment for SP: 50% recruitment rate • Written customised SPs within 12 days of interview (85% of recruited eligible) • 70% response rate to the mailed SP surveys

  8. Lessons of the Mikrozensus 2010 • CATI still works for Switzerland • Geocoding works for 97% of addresses and 93% of stops • Waypoints capture routes (96% of cases); 81% of transit stages • Collect the data for the non-chosen alternatives during the survey • Integrate the SR data collection for the choice modelling within the RP survey • •

  9. Possible ideas for Mikrozensus 2015 • Random sample of persons from the population register (inc.mobile phone) • Routing for cycle and walk stages • Improved routing of bus stages • Geocoding of “visiting friends and relatives via search in the phone book • GPS element

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