|Person trips per person||R 3.79||R 1383.35|
|Person miles of travel per person||R 36.13||R 13187.45|
|Vehicle trips per driver||3.02||1102.30|
|Vehicle miles of travel per driver||28.97||10574.05|
|Domestic Freight Transportation (2007)||Annual|
|Tons per capita||41.6|
|Ton-miles per capita||11,090|
Key: R = revised.
Notes: Tons per capita is calculated with BTS methodology based on data from the 2007 Economic Census: Transportation Commodity Flow Survey. Data based on the National Household Travel Survey presented here use the source frame population estimate, which does not include persons under five years of age.
Sources: Passenger—U.S. Department of Transportation (USDOT), Federal Highway Administration, 2009 National Household Travel Survey, available at http://nhts.ornl.gov/ as of September 2011. Freight—U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009. Population—U.S. Department of Commerce, U.S. Census Bureau, Population Division, Annual Population Estimates, December 2009, available at http://www.census.gov/popest/estbygeo.html as of September 2011.