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(Thousands of short tons)
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Highway gasoline 6,072 5,811 5,548 5,287 5,026 4,765 4,705 4,509 4,312...(Percent)
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 33.8 31.6 28.6 26.0 23.9 22.7 21.4 20.4 25.4 24....Excel | CSV | Graphic Version
Number of vehicles Households (millions) Percent of Households None 8.5 7.9 1 33.7 31.4 2 39.9 37.1 3 16.2 15.1 4 6.0 5.6...Excel | CSV | Graphic Version
Person-trips for all modes 4.1 Person-trips in personal vehicles 3.5NOTE: Data are from the daily travel segment of the 2001 National Household Travel Survey. Long-distance...
(Number)
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1993 1994 1995 1996 1997 1998 1999 2000 2001 Large buses 23,338 24,398 27,420 29,073 29,684 33,512 36,029 37,581 40,501...Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Ton-miles (billions) 3,196 3,233 3,337 3,364 3,527 3,648 3,725 3,...(Billions of current dollars)
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Federal (direct) 2.0 2.6 2.4...(Miles)
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Purpose Average trip length Vacation (Includes rest and relaxation) 37 Work-related business 29 Visit friends/relatives 14 To/from work 12...(Millions of current dollars)
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Overall (exports plus imports) Balance (exports minus imports) Vehicles other than railway 233,027 -108,005 Aircraft,...(Injuries per 100 million passenger-miles)
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Vehicle type 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001...