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Table 3-3 Hazardous Materials Shipments by Transportation Mode: 2007 and 2012

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Transportation mode Value ($ billions) Tons (millions) Ton-miles1 Average distance per shipment (miles)
2007 2012 2007 2012 2007 2012 2007 2012
All modes, total 1,448.2 2,334.4 2,231.1 2,580.2 323.5 307.5 96 114
Single modes, total 1,370.6 2,304.7 2,111.6 2,552.9 279.1 275.6 65 68
Truck2 837.1 1,466.0 1,202.8 1,531.4 104.0 96.6 59 56
For-hire 358.8 870.9 495.1 882.3 63.3 62.0 214 150
Private 478.3 595.1 707.7 649.1 40.7 34.5 32 33
Rail 69.2 79.2 129.7 111.0 92.2 84.9 578 808
Water 69.2 217.8 149.8 283.6 37.1 54.9 383 212
Air 1.7 4.4 S Z S Z 1,095 1,120
Pipeline3 393.4 537.3 628.9 626.7 S S S S
Multiple modes, total 71.1 29.7 111.0 27.3 42.9 31.9 834 654
Truck and rail 7.1 13.3 11.7 17.0 10.1 16.6 779 954
Truck and water 23.5 S 36.6 S 12.4 S 1010 1,181
Rail and water 5.2 2.5 5.7 4.6 2.9 1.4 1,506 S
Parcel, U.S. Postal Service, or Courier 7.7 10.3 0.2 0.3 0.2 0.2 836 650
Other multiple modes 27.7 0.0 56.8 0.0 17.3 0.0 233 0
Other modes 6.5 0.0 8.5 0.0 1.5 0.0 58 0

KEY: S = data are not published because estimate did not meet publication standards. By far, the most common reason for suppressing a cell is a high coefficient of variation (greater than 50 percent).; Z = rounds to zero.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.

2 Truck as a single mode includes shipments that went by private truck only or by for-hire truck only.

3 Excludes crude petroleum shipments.

NOTE: Value-of-shipment estimates have not been adjusted for price changes. Numbers and percents may not add to totals due to rounding.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 2012 Commodity Flow Survey, Hazardous Materials (Washington, DC: February 2015), table 1b, available at www.bts.gov/publications/commodity_flow_survey/ as of March 2016.

Updated: Saturday, May 20, 2017