|Passenger travel (2001)|
|Daily trips per person||R4.1|
|Daily trips per person per yeara||R1483|
|Daily miles per person||R40|
|Daily miles per person per yeara||R14524|
|Freight transportation (2000)|
|Tons per person, annually||50.3|
|Ton-miles per person, annually||13,846|
Notes: Data used for passenger travel are from the National Household Travel Survey (NHTS) travel-day file and include trips of all lengths made by respondents on a single day; about 95 percent of these daily trips were 30 miles or less. Calculations are based on weighted estimates from the 2001 NHTS.
Sources: Passenger-USDOT, Federal Highway Administration and Bureau of Transportation Statistics, National Household Travel Survey, available at http://nhts.ornl.gov/2001/index.shtml, as of December 2003. Freight-USDOT, Bureau of Transportation Statistics, and U.S. Department of Commerce, U.S. Census Bureau, 1997 Commodity Flow Survey (Washington, DC: 1999); BTS special tabulations, October 2002.