3-3 U.S.-NAFTA Merchandise Trade by Mode: 2012 (Table)

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Value of trade by mode

millions of nominal dollars

Mode Value Percent
Truck 665 60
Rail 168 15
Water 106 10
Air 44 4
Pipeline 77 7
Otherb 50 5
Total 1,110 100


Weight of trade by mode

millions of short tons

Mode Weight Percent
Trucka 196 28
Raila 154 22
Water 196 28
Air <0.5 <0.5
Pipelinea 136 19
Othera,b 21 3
Total 703 100

aExport weights for land modes are estimated by the Bureau of Transportation Statistics using value-to-weight ratios derived from import data. bIncludes mail, other, unknown, and shipments through Foreign Trade Zones.

Notes: Percents do not add to 100 due to rounding. Excludes intransit data (merchandise shipped from one foreign country to another via a U.S. port). 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 Transporation Statistics, special tabulation and North American Transborder Freight Data, available at transborder.bts.gov as of October 2013.