National Household Travel Survey Statewide Applications

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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

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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

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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)

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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.

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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

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Safety Planning - California

• Pedestrian Fatalities per Mile of Exposure

Source 2001 FARS pedestrian Fatalities and NHTS
2001 miles walked
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Statewide Forecasting - Wisconsin

• HBW Observed Vs Predicted Trip Length Frequency

Source 2001 NHTS Bruce Aunet, WI DOT Cambridge
Systematics Inc.
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Air Quality - New York

• Vehicle Starts, Trip Lengths by Time of Day and
  Vehicle Utilization

Source 2001 NHTS
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Performance Measures - Virginia

• Statewide Measures
• Person Miles Traveled (PMT), Trip Rates, VMT,
  Mode share, Fatality Rates, vehicle fleet
  characteristics

• MPO Areas
• Long Range Plan Development
• MPO area performance measures Environmental
  Justice Analysis

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Mode
Trip Length Distribution
Trips by time of day
Source 2001 NHTS
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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
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Congestion Management US DOT
Source 2001 NHTS
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NHTS Products

• State Profiles
• Policy Briefs
• Trends Database
• Transferability
• On-line Analysis Tool
• Risk Assessment Tool
• AAA Traffic Safety Foundation

NHTS Trends CD-ROM
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Accessing NHTS Products

• 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

Contact Heather Contrino, FHWA
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Thank You!
Heather Contrino 202-366-5060 Heather.Contrino_at_dot
.gov