"Figure 4:  BTS Ton-mile Calculations by Mode (rail, truck, water, & pipeline in trillions, air in billions)",,,,,,,,,,,,,,,,,,,,,,,,,,
,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005
Truck,0.63,0.63,0.65,0.67,0.71,0.72,0.74,0.77,0.80,0.83,0.85,0.87,0.89,0.93,0.99,1.03,1.06,1.11,1.14,1.18,1.19,1.21,1.25,1.26,1.28,1.29
Railroad,0.93,0.92,0.81,0.84,0.90,0.88,0.89,0.95,1.03,1.05,1.06,1.04,1.10,1.14,1.22,1.32,1.38,1.39,1.45,1.50,1.55,1.60,1.61,1.60,1.68,1.73
Water,0.92,0.93,0.89,0.92,0.89,0.89,0.87,0.90,0.89,0.82,0.83,0.85,0.86,0.79,0.81,0.81,0.76,0.71,0.67,0.66,0.65,0.62,0.61,0.61,0.62,0.59
Pipeline ,0.92,0.88,0.85,0.81,0.84,0.82,0.82,0.84,0.87,0.87,0.86,0.87,0.89,0.90,0.91,0.93,0.96,0.96,0.95,0.95,0.93,0.91,0.93,0.93,0.94,0.90
Air,5,5,5,6,7,7,7,9,9,10,10,10,11,12,12,13,14,14,14,15,16,13,14,15,16,16
"NOTE: The figure for air ton-miles (blue) is in billions; the figures for truck, rail, water, and pipeline are in trillions.",,,,,,,,,,,,,,,,,,,,,,,,,,
"SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculations using data from various sources. See box on previous page for details.",,,,,,,,,,,,,,,,,,,,,,,,,,