Table 6,,,,,,
Hazardous Material Shipment Characteristics by Mode of Transportation: 2002,,,,,,
(Commodity Flow Survey data only),,,,,,
Mode of transportation,Value,,Tons,,Ton-miles,
,"2002 
(million $)",Percent,"2002 
(thousands)",Percent,"2002 
(millions)",Percent
All modes," 660,181 ", 100.0 ," 2,191,519 ", 100.0 ," 326,727 ", 100.0 
Single modes," 644,489 ", 97.6 ," 2,158,533 ", 98.5 ," 311,897 ", 95.5 
Truck (1)," 419,630 ", 63.6 ," 1,159,514 ", 52.9 ," 110,163 ", 33.7 
For-hire truck ," 189,803 ", 28.8 ," 449,503 ", 20.5 ," 65,112 ", 19.9 
Private truck," 226,660 ", 34.3 ," 702,186 ", 32.0 ," 44,087 ", 13.5 
Rail," 31,339 ", 4.7 ," 109,369 ", 5.0 ," 72,087 ", 22.1 
Water," 46,856 ", 7.1 ," 228,197 ", 10.4 ," 70,649 ", 21.6 
Air (includes truck and air)," 1,643 ", 0.2 , 64 , -   , 85 , -   
Pipeline (2)," 145,021 ", 22.0 ," 661,390 ", 30.2 , S , S 
Multiple modes," 9,631 ", 1.5 ," 18,745 ", 0.9 ," 12,488 ", 3.8 
"Parcel, postal, or courier"," 4,268 ", 0.6 , 245 , -   , 119 , -   
Other multiple modes," 5,363 ", 0.8 ," 18,500 ", 0.8 ," 12,369 ", 3.8 ,,,,,
Other and unknown modes," 6,061 ", 0.9 ," 14,241 ", 0.6 ," 2,342 ", 0.7 ,,,,,
"
KEY: – Represents and estimate equal to zero or less than 1 unit of measure; S = Estimate does not meet publication standards because of highly sampling variability or poor response quality.",,,,,,,,,,,
"
(1) ""Truck"" as a single mode includes shipments that were made by private truck, for-hire truck, or a combination of private and for-hire truck. 
(2) Estimates for pipeline exclude shipments of crude petroleum.",,,,,,,,,,,
"SOURCE:  Bureau of Transportation Statistics (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics, and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.",,,,,,,,,,,

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