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Table 19. Hazardous Material Shipment Characteristics of Temperature Controlled Shipments (1) by Mode of Transportation for the United States: 2012

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(Estimates are based on data from the 2012 Commodity Flow Survey. Because of rounding, estimates may not be additive)

Mode of transportation Value Tons Ton-miles (2) Average miles per shipment
2012
(million dollars)
Percent of total 2012
(thousands)
Percent of total 2012
(millions)
Percent of total
All modes 52,534 100.0 105,431 100.0 28,717 100.0 152
Single modes 51,101 97.3 103,061 97.8 27,785 96.8 124
Truck (3) 35,090 66.8 80,743 76.6 11,952 41.6 86
 For-hire truck 25,380 48.3 44,662 42.4 8,816 30.7 224
 Private truck 9,710 18.5 36,080 34.2 3,136 10.9 41
Rail 12,953 24.7 17,826 16.9 14,722 51.3 777
Water 2,222 4.2 3,685 3.5 670 2.3 S
 Inland water 2,099 4.0 3,441 3.3 632 2.2 S
 Great Lakes 0 0.0 0 0.0 0 0.0 0
 Deep sea 0 0.0 0 0.0 0 0.0 0
 Multiple waterways S S S S S S S
Air (includes truck and air) S S S S S S 985
Pipeline (4) 418 0.8 796 0.8 S S S
Multiple modes 1,433 2.7 S S 932 3.2 645
Parcel, U.S. Postal Service, or courier 708 1.3 4 Z 3 Z 650
Truck and rail 280 0.5 721 0.7 632 2.2 513
Truck and water S S S S S S 1,156
Rail and water S S S S 122 0.4 S
Other multiple modes 0 0.0 0 0.0 0 0.0 0
Other modes 0 0.0 0 0.0 0 0.0 0

KEY: S = Withheld because estimate did not meet publication standards.

Z = Rounds to zero.

(1) Shipments that are temperature controlled are transported in a vehicle or container that regulates or maintains the temperature when en route to its destination.

(2) Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See “Mileage Calculations” section for additional information.

(3) “Truck” as a single mode includes shipments that were made by only private truck or only for-hire truck.

(4) Estimates for pipeline exclude shipments of crude petroleum (SCTG 16).

NOTES: Value-of-shipments estimates have not been adjusted for price changes. Appendix B tables provide estimated measures of sampling variability. The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design and definitions. Links to this information on the Internet may be found at <www.census.gov/econ/cfs>.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2012 Economic Census: Transportation Commodity Flow Survey, December 2014.

Updated: Friday, May 19, 2017