Figure 1 - Growth in Domestic Freight Ton-Miles: 1975-1999

Figure 1 - Growth in Domestic Freight Ton-Miles: 1975-1999

(Index: 1975 = 1.0)

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Year Air carrier Intercity truck Class I rail Water Pipeline
1975 1.0 1.0 1.0 1.0 1.0
1980 1.3 1.2 1.2 1.6 1.2
1985 1.5 1.3 1.2 1.6 1.1
1990 2.6 1.6 1.4 1.5 1.2
1991 2.6 1.7 1.4 1.5 1.1
1992 2.8 1.8 1.4 1.5 1.2
1993 3.1 1.9 1.5 1.4 1.2
1994 3.4 2.0 1.6 1.4 1.2
1995 3.6 2.0 1.7 1.4 1.2
1996 3.7 2.1 1.8 1.4 1.2
1997 3.9 2.3 1.8 1.2 1.2
1998 4.0 2.3 1.8 1.2 1.2
1999 4.0 2.4 1.9 1.2 1.2

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2001 (Washington, DC: 2002).