Table 24 U.S. Merchandise Trade with Canada and Mexico by Mode Share: 2002

Table 24 U.S. Merchandise Trade with Canada and Mexico by Mode Share: 2002

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Mode Value (percent) Weight (percent)
NAFTA trade, totala 100.0 100.0
Truck 65.9 31.2
Rail 15.2 17.1
Pipeline 3.7 13.4
Air 5.0 0.1
Water 5.4 37.9
Other and unknown 4.7 0.2
U.S.-NAFTA imports, total 100.0 100.0
Truck 60.4 22.9
Rail 19.6 18.6
Pipeline 6.3 17.8
Air 3.5 0.0
Water 7.0 40.6
Other and unknown 3.2 0.1
U.S.-NAFTA exports, totala 100.0 100.0
Truck 73.2 50.6
Rail 9.3 13.8
Pipeline 0.3 3.2
Air 7.0 0.2
Water 3.4 31.8
Other and unknown 6.8 0.4

a BTS estimated the export weight for truck, rail, pipeline, and other and unknown based on value-to-weight ratios from the import data. This was necessary, because export weights for surface modes are not currently reported. Weight for water and air exports and imports are from the U.S. Department of Commerce, U.S. Census Bureau.

Note: Value based on millions of U.S. dollars; weight based on millions of short tons.

Sources: Compiled by U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), October 2003. Water and air data-U.S. Department of Commerce, U.S. Census Bureau, Foreign Trade Division, U.S. Exports of Merchandise, CD-ROM and U.S. Imports of Merchandise, CD-ROM, December 2002. Total, truck, rail, pipeline, other and unknown data-USDOT, BTS, Transborder Surface Freight Data 2002; and special calculation, October 2003.