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