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Tables 2-14 and 2-14M: U.S. Hazardous Materials Shipments by Hazard Class: 2002

Flammable liquids, especially gasoline, are the predominant hazardous material transported in the United States. In terms of ton-miles, flammable liquids account for about 67 percent of total ton-miles of hazardous materials shipments. The next largest class of hazardous materials in terms of ton-miles is gases at about 11 percent.

Table 2-14 (standard units)
Table in Excel format

Hazard class Description Value
$ Billions
Value
Percent
Tons
Millions
Tons
Percent
Ton-miles
Billions
Ton-miles
Percent
Class 1Explosives7.91.25.00.21.60.5
Class 2Gases73.911.2213.49.737.311.4
Class 3Flammable liquids490.274.31,789.081.6218.666.9
Class 4Flammable solids6.61.011.30.54.41.3
Class 5Oxidizers and organic peroxides5.50.812.70.64.21.3
Class 6Toxic (poison)8.31.38.50.44.31.3
Class 7Radioactive materials5.90.90.10.0030.040.01
Class 8Corrosive materials38.35.890.74.136.311.1
Class 9Miscellaneous dangerous goods23.63.661.02.820.26.2
Totalempty Cell660.2100.02,191.5100.0326.7100.0

Source: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 2002 Economic Census, Transportation, 2002 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 2004), table 2a.


Table 2-14M (metric units)
Table in Excel format

Hazard class Description Value
$ Billions
Value
Percent
Metric tonnes
Millions
Metric tonnes
Percent
Tonne-kilometers
Billions
Tonne-kilometers
Percent
Class 1Explosives7.91.24.50.22.30.5
Class 2Gases73.911.2193.69.754.411.4
Class 3Flammable liquids490.274.31,622.981.6319.166.9
Class 4Flammable solids6.61.010.30.56.41.3
Class 5Oxidizers and organic peroxides5.50.811.50.66.21.3
Class 6Toxics8.31.37.70.46.21.3
Class 7Radioactive materials5.90.90.10.0030.10.01
Class 8Corrosive materials38.35.882.34.152.911.1
Class 9Miscellaneous dangerous goods23.63.655.42.829.46.2
Totalempty Cell660.2100.01,988.1100.0477.0100.0

Note: 1 ton = 0.91 metric tonne; 1 ton-mile = 1.46 tonne-kilometer.

Source: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 2002 Economic Census, Transportation, 2002 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 2004), table 2a.

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