HAZMAT Table 7a ,,,,,,,
"Hazard Material Shipment Characteristics by Hazard Class Division and Mode of Transportation
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"[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]
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Hazard Class Division and Mode of Transportation,Value,,Tons,,Ton–miles,,"Average miles 
per shipment"
,"2002 
(million $)",Percent,"2002 
(thousands)",Percent,"2002 
(millions)",Percent,
"Division 1.1, Explosives with a mass explosion hazard",,,,,,,
All modes,470,100.0,S,S,S,S,S
Single modes,458,97.5,S,S,S,S,S
Truck (1),458,97.5,S,S,S,S,S
For–hire truck ,337,71.7,S,S,S,S,849
Private truck,S,S,S,S,S,S,56
Rail,—,—,—,—,—,—,—
Water,—,—,—,—,—,—,—
Air (includes truck and air),—,—,—,—,—,—,—
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,S,S,S,S,S,S,916
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,916
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,S,S,S,S,S,S,4
"Division 1.2, Explosives with a projection hazard",,,,,,,
All modes,S,S,S,S,S,S,"1,045"
Single modes,S,S,S,S,S,S,"1,045"
Truck (1),S,S,S,S,S,S,"1,045"
For–hire truck ,S,S,S,S,S,S,"1,045"
Private truck,—,—,—,—,—,—,—
Rail,—,—,—,—,—,—,—
Water,—,—,—,—,—,—,—
Air (includes truck and air),—,—,—,—,—,—,—
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,—,—,—,—,—,—,—
"Parcel, U.S.P.S. or courier",—,—,—,—,—,—,—
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,—,—,—,—,—,—,—
"Division 1.3, Explosives with predominantly a fire hazard",,,,,,,
All modes,S,S,27,100.0,21,100.0,786
Single modes,S,S,27,100.0,21,100.0,786
Truck (1),S,S,S,S,19,89.5,779
For–hire truck ,S,S,S,S,S,S,861
Private truck,S,S,S,S,S,S,239
Rail,S,S,S,S,S,S,836
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,S,S,S,S,"2,310"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,—,—,—,—,—,—,—
"Parcel, U.S.P.S. or courier",—,—,—,—,—,—,—
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,—,—,—,—,—,—,—
"Division 1.4, Explosives with no significant blast hazard",,,,,,,
All modes,"5,245",100.0,597,100.0,426,100.0,834
Single modes,"5,108",97.4,587,98.4,415,97.5,836
Truck (1),"5,033",96.0,586,98.3,414,97.1,802
For–hire truck ,"4,594",87.6,564,94.6,406,95.4,964
Private truck,S,S,22,3.7,S,S,243
Rail,S,S,S,S,S,S,534
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,1,—,S,S,"2,001"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,136,2.6,S,S,S,S,835
"Parcel, U.S.P.S. or courier",136,2.6,S,S,S,S,835
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,S,S,S,S,S,S,S
"Division 1.5, Very insensitive explosives, blasting agent",,,,,,,
All modes,944,100.0,"4,325",100.0,"1,113",100.0,S
Single modes,940,99.6,"4,322",99.9,"1,113",100.0,S
Truck (1),888,94.1,"3,972",91.8,768,69.0,139
For–hire truck ,144,15.2,960,22.2,410,36.8,405
Private truck,742,78.6,S,S,358,32.1,91
Rail,48,5.1,350,8.1,345,31.0,984
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,S,S,S,S,"2,197"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,S,S,S,S,S,S,615
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,615
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,S,S,S,S,S,S,8
"Division 2.1, Flammable gases",,,,,,,
All modes,"39,955",100.0,"122,465",100.0,"22,064",100.0,96
Single modes,"39,626",99.2,"121,749",99.4,"21,795",98.8,95
Truck (1),"16,998",42.5,"44,031",36.0,"5,295",24.0,81
For–hire truck ,"6,241",15.6,"18,571",15.2,"3,651",16.5,461
Private truck,"10,757",26.9,"25,460",20.8,"1,643",7.4,27
Rail,"7,579",19.0,"22,755",18.6,"13,061",59.2,659
Water,"1,528",3.8,"6,206",5.1,"1,248",5.7,226
Air (includes truck and air),S,S,S,S,S,S,"1,549"
Pipeline (2),"13,463",33.7,"48,740",39.8,S,S,S
Multiple modes,122,0.3,530,0.4,262,1.2,805
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,715
Other multiple modes,76,0.2,529,0.4,260,1.2,S
Other and unknown modes,S,S,186,0.2,8,—,S
"Division 2.2, Nonflammable, nontoxic compressed gases",,,,,,,
All modes,"27,024",100.0,"66,329",100.0,"9,012",100.0,92
Single modes,"26,260",97.2,"66,118",99.7,"8,918",99.0,83
Truck (1),"25,111",92.9,"40,261",60.7,"6,540",72.6,81
For–hire truck ,"13,254",49.0,"4,598",6.9,"2,137",23.7,630
Private truck,"11,847",43.8,"35,479",53.5,"4,219",46.8,42
Rail,218,0.8,385,0.6,S,S,857
Water,S,S,S,S,S,S,100
Air (includes truck and air),186,0.7,S,S,S,S,"1,298"
Pipeline (2),S,S,S,S,S,S,S
Multiple modes,547,2.0,65,0.1,S,S,629
"Parcel, U.S.P.S. or courier",467,1.7,S,S,6,—,624
Other multiple modes,80,0.3,S,S,S,S,"1,053"
Other and unknown modes,217,0.8,147,0.2,S,S,S
"Division 2.3, Gases toxic by inhalation",,,,,,,
All modes,"6,953",100.0,"24,564",100.0,"6,186",100.0,117
Single modes,"6,850",98.5,"24,239",98.7,"6,155",99.5,117
Truck (1),"4,911",70.6,"12,574",51.2,"1,702",27.5,105
For–hire truck ,"2,366",34.0,"6,190",25.2,998,16.1,212
Private truck,"2,542",36.6,"6,368",25.9,S,S,60
Rail,"1,169",16.8,"6,090",24.8,"3,226",52.2,549
Water,S,S,S,S,S,S,460
Air (includes truck and air),S,S,S,S,S,S,610
Pipeline (2),624,9.0,"4,685",19.1,S,S,S
Multiple modes,S,S,S,S,S,S,316
"Parcel, U.S.P.S. or courier",S,S,S,S,—,—,318
Other multiple modes,S,S,S,S,S,S,1
Other and unknown modes,86,1.2,S,S,31,0.5,S
"Division 4.1, Flammable solids",,,,,,,
All modes,"3,229",100.0,"9,214",100.0,"3,123",100.0,256
Single modes,"2,787",86.3,"9,185",99.7,"3,108",99.5,S
Truck (1),"2,369",73.4,"5,051",54.8,513,16.4,S
For–hire truck ,321,9.9,"3,442",37.4,398,12.7,283
Private truck,"2,048",63.4,"1,609",17.5,115,3.7,S
Rail,S,S,"2,795",30.3,"2,118",67.8,859
Water,16,0.5,"1,263",13.7,S,S,269
Air (includes truck and air),S,S,S,S,S,S,"1,974"
Pipeline (2),S,S,S,S,S,S,S
Multiple modes,S,S,S,S,S,S,"1,023"
"Parcel, U.S.P.S. or courier",41,1.3,1,—,1,—,883
Other multiple modes,S,S,S,S,S,S,"4,858"
Other and unknown modes,S,S,S,S,S,S,S
"Division 4.2, Spontaneously combustible materials",,,,,,,
All modes,"1,849",100.0,927,100.0,526,100.0,108
Single modes,"1,750",94.7,917,98.9,512,97.3,84
Truck (1),"1,552",84.0,616,66.5,S,S,82
For–hire truck ,S,S,551,59.4,S,S,191
Private truck,474,25.6,65,7.0,S,S,41
Rail,195,10.5,S,S,250,47.5,819
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,S,S,S,S,"2,002"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,97,5.2,6,0.7,S,S,254
"Parcel, U.S.P.S. or courier",96,5.2,6,0.6,S,S,254
Other multiple modes,S,S,S,S,S,S,"1,913"
Other and unknown modes,S,S,S,S,S,S,S
"Division 4.3, Dangerous when wet materials",,,,,,,
All modes,S,S,"1,159",100.0,S,S,369
Single modes,S,S,"1,105",95.4,S,S,315
Truck (1),S,S,"1,044",90.0,S,S,310
For–hire truck ,S,S,S,S,S,S,615
Private truck,168,11.3,410,35.3,S,S,79
Rail,S,S,S,S,S,S,"1,507"
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,S,S,S,S,"2,498"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,56,3.8,S,S,S,S,604
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,592
Other multiple modes,S,S,S,S,S,S,"1,081"
Other and unknown modes,S,S,S,S,S,S,S
"Division 5.1, Oxidizers",,,,,,,
All modes,"4,610",100.0,"11,773",100.0,"3,807",100.0,398
Single modes,"4,475",97.1,"11,403",96.9,"3,598",94.5,353
Truck (1),"3,737",81.1,"8,976",76.2,"2,303",60.5,343
For–hire truck ,"1,664",36.1,"5,897",50.1,S,S,539
Private truck,"2,066",44.8,"3,023",25.7,278,7.3,68
Rail,736,16.0,"2,427",20.6,"1,295",34.0,623
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,—,—,S,S,"1,071"
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,84,1.8,S,S,S,S,"1,173"
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,"1,216"
Other multiple modes,74,1.6,S,S,S,S,S
Other and unknown modes,S,S,S,S,S,S,S
"Division 5.2, Organic peroxides",,,,,,,
All modes,861,100.0,S,S,S,S,511
Single modes,857,99.5,S,S,S,S,484
Truck (1),S,S,S,S,S,S,480
For–hire truck ,S,S,S,S,S,S,574
Private truck,S,S,14,1.5,2,0.4,77
Rail,S,S,S,S,S,S,"2,245"
Water,—,—,—,—,—,—,—
Air (includes truck and air),S,S,S,S,S,S,823
Pipeline (2),—,—,—,—,S,S,S
Multiple modes,S,S,S,S,S,S,633
"Parcel, U.S.P.S. or courier",S,S,S,S,S,S,633
Other multiple modes,—,—,—,—,—,—,—
Other and unknown modes,S,S,S,S,S,S,"1,208"
"
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 only private truck, only for–hire truck, or a combination of private and for–hire truck. 
(2) Estimates for pipeline exclude shipments of crude petroleum.      
          
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"
SOURCE: 
Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.",,,,,,,