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Travel and Congestion Study Update

Travel and Congestion Study Update. Johanna Zmud Project Director NuStats January 23, 2002. Introduction. Review data flow model Current Status Fall Post-Mortem Spring Production Strategies Data Results. Data Flow per Sample Type (6). Mode Intercept. Recruit. Travel . Retrieve.

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Travel and Congestion Study Update

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  1. Travel and Congestion Study Update Johanna Zmud Project Director NuStats January 23, 2002

  2. Introduction • Review data flow model • Current Status • Fall Post-Mortem • Spring Production Strategies • Data Results Study Status Update

  3. Data Flow per Sample Type (6) Mode Intercept Recruit Travel Retrieve Edit Check Deliver Geocode Study Status Update GPS Recruit GPS Data Comparison

  4. Data Collection Status by Sample Type Study Status Update

  5. Data Collection Status for Mode Augment Study Status Update

  6. Main Sample Mode Augment Sample Study Status Update *Target mode used in 1 trip in household file

  7. Fall Post-Mortem – Main Sample Study Status Update

  8. Fall Post-Mortem – Weekend Sample Study Status Update

  9. Status – Delivered Cases Study Status Update *Trip data only; no raw GPS data; deliveries will start in February

  10. Spring Production Strategies • Increase CATI Capacity • Web survey • Use of Partial Completes Study Status Update

  11. Increase CATI Capability • New DataSource facility in Texas (San Marcos) • Caltrans finished – These DataSource surveyors now on SCAG • Datascension (Riverside, CA) Study Status Update

  12. Data Collection Distribution by Facility Study Status Update

  13. Web Survey Option • Travel information retrieval (Main, RSA) • Mode effect measurement • www.surveycafe.com • Test next two weeks • Start using with February recruits Study Status Update

  14. December 1 – 19, 2001 December 14, 2001 January 7, 2002 January 25, 2002 April 28, 2002 PnR to Rail and Bus Intercepts Start Spring CATI Recruitment First Spring Travel Day Next Data Delivery Last Travel Day Current Schedule Study Status Update

  15. Spring Production Plan Study Status Update

  16. Draft Report • Draft delivered – Starting February 28 • Methods Documentation and Data Users Guide • Survey Findings • Compendium of Tables • GPS Analysis • Census data for weighting and expansion not accessible until June 2002 • Final report – raw or expanded? Study Status Update

  17. Summary Statistics – Main Sample (N=2420, unweighted) Study Status Update

  18. Household Trips by County of Residence and Sample Type (N=4,440, unweighted) Study Status Update *1-day trip rates shown ** None or small number of cases

  19. Person Trips by County of Residence and Sample Type (N=10,024, unweighted) Study Status Update *1-day trip rates shown ** None or small number of cases

  20. Total, Vehicle, and Non-Vehicle Trips by County of Residence (Main Sample, unweighted) Study Status Update

  21. Total Household Trips by Vehicle Ownership by Sample Type (unweighted) Study Status Update * None or small number of cases

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