Data for figure 6,,,,,,,,,,,
Growth in U.S. Domestic Freight Ton-Miles by Mode: 1980 - 2004,,,,,,,,,,,
(index: 1980=100),,,,,,,,,,,
Year,Mode of Transportation,,,,,,,,,,
,Air ,Truck ,Railroad,Water ,Pipeline ,Total,,,,,
1980,100.0,100.0,100.0,100.0,100.0,100.0,,,,,
1981,105.2,100.2,99.1,100.8,95.8,99.0,,,,,
1982,106.2,102.7,86.9,96.2,92.9,94.0,,,,,
1983,121.3,107.0,90.2,99.8,89.2,95.8,,,,,
1984,134.3,112.3,96.6,96.3,92.1,98.4,,,,,
1985,138.6,113.8,94.0,96.9,90.3,97.6,,,,,
1986,151.7,116.8,95.6,94.7,90.6,98.1,,,,,
1987,179.1,123.1,102.1,97.1,92.9,102.4,,,,,
1988,192.8,127.2,110.1,96.5,95.9,106.0,,,,,
1989,211.0,131.6,112.2,88.5,95.3,105.1,,,,,
1990,215.3,135.9,114.2,90.4,95.0,106.9,,,,,
1991,205.8,138.9,111.8,92.0,95.2,107.3,,,,,
1992,227.1,142.6,117.9,92.9,97.5,110.5,,,,,
1993,238.4,148.8,121.8,85.7,98.9,111.2,,,,,
1994,248.6,158.4,131.0,88.4,99.4,116.4,,,,,
1995,262.8,165.7,141.3,87.6,101.9,121.1,,,,,
1996,284.3,170.3,147.8,83.0,104.6,123.2,,,,,
1997,287.2,178.0,149.3,76.7,104.5,123.4,,,,,
1998,292.1,182.7,155.4,73.0,104.3,124.9,,,,,
1999,299.6,188.6,161.3,71.1,103.9,127.0,,,,,
2000,326.7,191.3,165.9,70.1,101.0,127.8,,,,,
2001,274.5,194.6,171.6,67.4,99.2,128.7,,,,,
2002,285.9,199.7,172.3,66.4,101.6,130.2,,,,,
2003,311.9,201.0,172.1,65.8,100.3,129.9,,,,,
2004,350.0,208.0,178.6,64.1,100.9,132.8,,,,,
"
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics: 1990 - 2003 data from the Journal of Transportation and Statistics, vol 8 no.1, 2005, Scott M Dennis, ""Improved Estimates of Ton-Miles,"" pp 23-44; other data are special tabulations from BTS using the same methodology. ",,,,,,,,,,,