NOTES: Person trip is a trip by one person in any mode of transportation. Family/Personal Errands includes personal business, shopping, and medical/dental appointments. To or From Work includes work-related business trips.
SOURCE: U.S. Department of Transportation, Federal Highway Administration, 2009 National Household Travel Survey (NHTS), Online Analysis Tool. Available at http://nhts.ornl.gov as of April 2016.
Updated: Saturday, May 20, 2017