Table 3-4 Value and Tonnage of U.S. Merchandise Trade with Canada and Mexico by Transportation Mode: 2000, 2005, 2010, and 2011

Excel

Billions of current U.S. dollars and millions of short tons

  2000 2005 2010 2011
Mode Value Weight Value Weight Value Weight Value Weight
Trucka 429 NA 491 191 557 187 626 208
Raila 94 NA 116 141 131 134 152 142
Air 45 <1 33 <1 45 <1 46 <1
Water 33 194 58 256 81 210 108 188
Pipelinea 24 NA 52 86 63 106 81 123
Othera 29 NA 39 5 40 9 46 13
Totala 653 NA 790 679 918 646 1,058 675

a The U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics estimated the weight of exports for truck, rail, pipeline, and other modes using weight-to-value ratios derived from imported commodities.

KEY: NA = not available.

NOTES: 1 short ton = 2,000 pounds. "Other" includes shipments transported by mail, other and unknown modes, and shipments through Foreign Trade Zones. Numbers may not add to totals due to rounding.

SOURCES: Truck, Rail, Pipeline, and Other modes: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, North American Transborder Freight Data, available at www.bts.gov/transborder as of June 2012; Air and Water: U.S. Department of Commerce, Census Bureau, Foreign Trade Division, FT920 - U.S. Merchandise Trade: Selected Highlights (Washington, DC: annual issues).