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National Household Travel Survey Statewide Applications

National Household Travel Survey Statewide Applications. May 10, 2007 TRB National Transportation Planning Applications Conference Daytona Beach, Florida. Heather Contrino Travel Surveys Team Lead Federal Highway Administration Office of Highway Policy Information. About the NHTS….

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National Household Travel Survey Statewide Applications

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  1. National Household Travel Survey Statewide Applications May 10, 2007 TRB National Transportation Planning Applications Conference Daytona Beach, Florida Heather Contrino Travel Surveys Team Lead Federal Highway Administration Office of Highway Policy Information

  2. About the NHTS… • National Study on Passenger Travel • Passenger Travel is 82 percent of all VMT • Conducted since 1969 • 1969, 1977, 1983, 1990, 1995, 2001 • All Travel, All Purposes, All Modes • 2001 NHTS • Interviewed about 70,000 households • 175,000 Persons • Travel recorded for an entire day

  3. NHTS General Content • Descriptive statistics • Households • People • Drivers and Workers • Vehicles • Trips • Travel Behavior • Mode share distribution • Travel time, speed, distance, • Work and Non-Work Travel • Special Populations • Older Drivers • Bike and Pedestrian • People with Disabilities • New Immigrants For Each Person: Age Gender Driver status Worker Status Annual Miles For Each Household: Number of people Number of drivers Number of workers Number of vehicles Income For Each Vehicle: Make Model Age (year) How long owned* • Daily Travel Data: • Origin and Destination address (for add-ons) • Time trip started and ended • Distance • Means of transportation: • vehicle type • if household vehicle, which one • if transit, wait time • if transit, access and egress mode* • Detailed purpose* • Number of passengers on trip: • Most recent trip for non-travelers (date)*

  4. State Involvement • Statewide Corridor Planning • MPO Coordination • Statewide Forecasting • Special Populations Research NHTS Add-On Program In 2001, State participation included • NY,WI, HI, TX, KY For 2008, the Add-On program elicited tremendous response • About 85,000 samples (currently) • FL,GA,SC,NC,VA,NY,WI,CA,IN • Many MPOs including Maricopa, Pima, Cedar Rapids, Pikes Peak, and Omaha.

  5. Example NHTS Applications • Safety Planning – California • Travel Demand Forecasting -Wisconsin • Air Quality Analysis – New York • Performance Measures - Virginia • Special Studies - Florida • Congestion Management – U.S. DOT

  6. Safety Planning - California Pedestrian Fatalities per Mile of Exposure Source: 2001 FARS pedestrian Fatalities and NHTS 2001 miles walked

  7. Statewide Forecasting - Wisconsin HBW Observed Vs Predicted Trip Length Frequency Source: 2001 NHTS Bruce Aunet, WI DOT & Cambridge Systematics Inc.

  8. Air Quality - New York Vehicle Starts, Trip Lengths by Time of Day and Vehicle Utilization Source: 2001 NHTS

  9. Performance Measures - Virginia • MPO Areas • Long Range Plan Development • MPO area performance measures Environmental Justice Analysis • Statewide Measures • Person Miles Traveled (PMT), Trip Rates, VMT, Mode share, Fatality Rates, vehicle fleet characteristics

  10. Mode Trip Length Distribution Trips by time of day Source: 2001 NHTS

  11. Special Studies - Florida • Hurricane Evacuation Planning • Weekend and Holiday Travel Planning • Event Planning • Seasonal Resident Impact Broward County, Florida Source: ACS 1999-2002, U.S. Census Bureau

  12. Congestion Management – US DOT Source: 2001 NHTS

  13. NHTS Products • State Profiles • Policy Briefs • Trends Database • Transferability • On-line Analysis Tool • Risk Assessment Tool • AAA Traffic Safety Foundation NHTS Trends CD-ROM

  14. Accessing NHTS Products Contact Heather Contrino, FHWA • State Profiles • Policy Briefs: http://ornl.gov/publications.shtml#issueBriefs • Trends Database: To be posted soon • Transferability • http://fmip.ornl.gov/nhts/ • Risk Assessment Tool: • http://www.aaafoundation.org/trafficSTATS/ • On-line Analysis Tool:http://nhts.ornl.gov • SAS Data Set: http://nhts.ornl.gov/download.shtml

  15. Thank You! Heather Contrino 202-366-5060 Heather.Contrino@dot.gov

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