4-9 U.S. Merchandise Trade with Canada and Mexico by Mode Share: 2010

4-9 U.S. Merchandise Trade with Canada and Mexico by Mode Share: 2010

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Mode Value (percent) Weight (percent)
NAFTA trade, total 100.0 100.0
Trucka 60.7 29.0
Raila 14.3 20.8
Pipelinea 6.9 16.4
Air 4.9 0.1
Water 8.9 32.4
Other and unknowna 4.4 1.3
U.S.-NAFTA imports, total 100.0 100.0
Truck 53.8 21.1
Rail 16.9 18.3
Pipeline 11.4 23.9
Air 4.0 0.0
Water 11.5 36.0
Other and unknown 2.4 0.6
U.S.-NAFTA exports, total 100.0 100.0
Trucka 69.2 42.2
Raila 11.1 24.9
Pipelinea 1.3 3.8
Air 6.0 0.1
Water 5.6 26.5
Other and unknowna 6.8 2.5

aBecause export weights for surface modes are not currently reported, BTS estimated the export weight for truck, rail, pipeline, and other and unknown based on value-to-weight ratios from the import data.

Note: U.S. North American Free Trade Agreement (NAFTA) refers to U.S. trade with Canada and Mexico.

Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Transborder Freight Data, available at http://www.bts.gov/programs/international/transborder/ as of September 2011, and BTS special calculation, September 2011.