Office of Operations Freight Management and Operations

Freight Facts and Figures 2009

Tables 2-4 and 2-4M. Hazardous Materials Shipments by Transportation Mode: 2002

Trucks move more than one-half of all hazardous materials shipped from within the United States. However, truck ton miles of hazardous shipments account for a much smaller share, about one-third of all ton miles, because such shipments travel relatively short distances. By contrast, rail accounts for only 5 percent of shipments by weight but 22 percent of ton miles.

Table 2-4 (standard units)

Table in Excel format

Transportation mode Value -
$ Billion
Value -
Percent
Tons -
Millions
Tons -
Percent
Ton miles -
Billions
Ton miles -
Percent

Miles -
Average distance
per shipment

All modes, total 660.2 100.0 2,191.5 100.0 326.7 100.0 136
Single modes, total 644.5 97.6 2,158.5 98.5 311.9 95.5 105
Truck1 419.6 63.6 1,159.5 52.9 110.2 33.7 86
For-hire 189.8 28.8 449.5 20.5 65.1 19.9 285
Private2 226.7 34.3 702.2 32.0 44.1 13.5 38
Rail 31.3 4.7 109.4 5.0 72.1 22.1 695
Water 46.9 7.1 228.2 10.4 70.6 21.6 S
Air 1.6 0.2 <1 <1 <1 <1 2,080
Pipeline3 145.0 22.0 661.4 30.2 S S S
Multiple modes, total 9.6 1.5 18.7 0.9 12.5 3.8 849
Parcel, U.S. Postal Service, or Courier 4.3 0.6 <1 <1 0.1 <1 837
Other multiple modes 5.4 0.8 18.5 0.8 12.4 3.8 1,371
Unknown and other modes, total 6.1 0.9 14.2 0.6 2.3 0.7 57

Key:  S = data are not published because of high sampling variability or other reasons.

1Truck as a single mode includes shipments that went by private truck only, for-hire truck only, or a combination of both.

2Private truck refers to a truck operated by a temporary or permanent employee of an establishment or the buyer/receiver of the shipment.

3Excludes crude oil shipments.

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 1a, available at www.bts.gov/publications/commodity_flow_survey/2002/united_states/ as of March 30, 2009.

 

Table 2-4M (metric units)

Table in Excel format

Transportation mode Value -
$ Billion
Value -
Percent
Metric
tonnes -
Millions
Metric
tonnes -
Percent
Tonne
kilometers -
Billions
Tonne
kilometers -
Percent
Kilometers -
Average distance
per shipment
All modes, total 660.2 100.0 1,988.1 100.0 477.0 100.0 219
Single modes, total 644.5 97.6 1,958.2 98.5 455.4 95.5 169
Truck1 419.6 63.6 1,051.9 52.9 160.8 33.7 138
For-hire 189.8 28.8 407.8 20.5 95.1 19.9 459
Private2 226.7 34.3 637.0 32.0 64.4 13.5 61
Rail 31.3 4.7 99.2 5.0 105.3 22.1 1,118
Water 46.9 7.1 207.0 10.4 103.2 21.6 S
Air 1.6 0.2 <1 <1 <1 <1 3,347
Pipeline3 145.0 22.0 600.0 30.2 S S S
Multiple modes, total 9.6 1.5 17.0 0.9 18.2 3.8 1,366
Parcel, U.S. Postal Service, or courier 4.3 0.6 0.2 <1 0.2 <1 1,347
Other multiple modes 5.4 0.8 16.8 0.8 18.1 3.8 2,206
Unknown and other modes, total 6.1 0.9 12.9 0.6 3.4 0.7 92

Key:  S = data are not published because of high sampling variability or other reasons.

1Truck as a single mode includes shipments that went by private truck only, for-hire truck only, or a combination of both.

2Private truck refers to a truck operated by a temporary or permanent employee of an establishment or the buyer/receiver of the shipment.

3Excludes crude oil shipments.

Note:

1 metric tonne = 1.1023 short tons; 1 tonne kilometer = 0.6849 ton miles. 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 1a, available at www.bts.gov/publications/commodity_flow_survey/2002/united_states/ as of April 13, 2009.

 


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