Table 8,,,,, "Passenger Travel and Freight Transportation Per Capita ",,,,, ,Number,,,, Passenger travel (2001),,,,, Trips,,,,, Daily trips per person,R4.1,,,, Daily trips per person per yeara,R1483,,,, Miles,,,,, 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",,,, a Calculated on an annualized basis.,,,,, Key: R = revised.,,,,, 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.", , , , , , ,