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Freight Facts and Figures 2009Tables 2-5 and 2-5M. Hazardous Materials Shipments by Hazard Class: 2002Flammable 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 2-5 (standard units)
Note: Numbers and percents may not add to totals due to rounding. Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 2002 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 2004), table 2a, available at www.bts.gov/publications/commodity_flow_survey/2002/united_states/ as of March 30, 2009.
Table 2-5M (metric units)
Note: 1 metric tonne = 1.1 short tons; 1 tonne kilometer = 0.7 ton-miles. Number and percents may not add to totals due to rounding. Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 2002 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 2004), table 2a, available at www.bts.gov/publications/commodity_flow_survey/2002/united_states/ as of April 13, 2009.
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United States Department of Transportation - Federal Highway Administration |