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TRB Internet Survey

TRB Internet Survey. First Survey 102 Respondents Second Survey 66 Respondents. Number of Surveys Reported. Incentive Provided. Conducting Survey. Survey for Updating Model. Survey Costs. Survey Frequency. Sample Size. Time of Year. Types of Incentives. Trip Data Collected For.

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TRB Internet Survey

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  1. TRB Internet Survey • First Survey 102 Respondents • Second Survey 66 Respondents

  2. Number of Surveys Reported

  3. Incentive Provided

  4. Conducting Survey

  5. Survey for Updating Model

  6. Survey Costs

  7. Survey Frequency

  8. Sample Size

  9. Time of Year

  10. Types of Incentives

  11. Trip Data Collected For

  12. Follow Up Survey • 66 Respondents

  13. Household Survey

  14. Household Survey

  15. External Survey

  16. Types of Legal Restrictions • Could Not Conduct Roadside Interviews • Could Not Stop Vehicles • Could Not Stop Vehicles on Interstates • Privacy Issues with Use of License Numbers • Could Not Use Off-Duty Law Enforcement Officers

  17. Parking Survey

  18. Parking Survey Questions (23 Obs)

  19. Commercial Vehicle Survey

  20. Visitor Survey

  21. Transit On-Board Survey

  22. Work Place Survey

  23. Work Place Survey Sample (9 Obs) • Industry or SIC 56% • No. Employees 22% • Location 22%

  24. Work Place Trip Geocoding (4 Obs) • Traffic Zone 25% • Census Tract 75%

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