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Model Task Force Data Committee

October 17, 2008. Model Task Force Data Committee. National Household Travel Survey (NHTS) Add-on Status. Presentation Overview. Funding and NHTS Background Sampling Plan Current Status Discussion. Funding and NHTS Background. Funding approved by MPOAC via PL Funds

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Model Task Force Data Committee

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  1. October 17, 2008 Model Task Force Data Committee National Household Travel Survey (NHTS) Add-on Status

  2. Presentation Overview • Funding and NHTS Background • Sampling Plan • Current Status • Discussion

  3. Funding and NHTS Background • Funding approved by MPOAC via PL Funds • Total cost for 12,000 urban samples is $2,100,000 • Data analysis & tabulation $500,000 • FDOT allocated $350,000 for 2,000 rural samples

  4. Funding and NHTS Background • Daily data collected includes: • Purpose of the trip (work, shopping, etc.) • Means of transportation used (car, bus, subway, walk, etc.) • How long the trip took (i.e., travel time) • Time of day when the trip took place • Day of week when the trip took place • Private vehicle trip details • number of people in the vehicle (i.e., vehicle occupancy) • driver characteristics (age, sex, worker status, education level, etc.) • vehicle attributes (make, model, model year, amount of miles driven in a year)

  5. Funding and NHTS Background • Data used to: • Quantify travel behavior • Analyze changes in travel characteristics over time • Relate travel behavior to the demographics of the traveler • Study the relationship of demographics and travel over time • Data items not included: • Travel costs • Information on specific routes • Longitudinal information • Reasons for specific mode

  6. Sampling Plan • Proposed Sampling Plan • Region 1 – Collier, Lee, Charlotte, Sarasota, and Manatee (Census 2000 Households: 545,158 ) • Region 2 – Duval, St. Johns, Clay, Nassau, and Alachua (Census 2000 Households: 613,890 ) • Region 3 – Leon, Gadsen, Wakulla, Walton, Okaloosa, Santa Rosa, Escambia, and Bay (Census 2000 Households: 424,149 ) • Region 4 – Broward, Miami-Dade, Palm Beach, Indian River, St. Lucie, and Martin (Census 2000 Households: 2,150,666 ) • Region 5 – Orange, Osceola, Seminole, Lake, Sumter, Brevard, Volusia, and Marion (Census 2000 Households: 1,040,095 ) • Region 7 – District 7 (except Citrus) and Polk (Census 2000 Households: 1,196,954 ) • Region 8 – Rural counties not in the first six (Census 2000 Households: 370,209 )

  7. Sampling Plan

  8. Sampling Plan

  9. Sampling Plan • MPO Sample Size • Each MPO will be sampled such that atleast 80% of the sampled households from the MPO are included in the region sample • Why do this? • Makes data collection more cost effective • Ensures sufficient samples for segmentation

  10. Sampling Plan Rural Counties

  11. Current Status • Very positive response rate • Slated to complete in April 2009

  12. Current Status

  13. Current Status

  14. Current Status

  15. Current Status

  16. Current Status

  17. Discussion

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