4-6 Value of U.S. International Merchandise Trade by Mode of Transportation: 2011 (millions of current U.S. dollars)
| Exports | Modal % | Imports | Modal % | Total trade | Total modal % | |
|---|---|---|---|---|---|---|
| Total | 1,480,665 | 100.0 | 2,206,956 | 100.0 | 3,687,622 | 100.0 |
| Water | 570,286 | 38.5 | 1,159,096 | 52.5 | 1,729,382 | 46.9 |
| Air | 424,265 | 28.7 | 493,038 | 22.3 | 917,303 | 24.9 |
| Truck | 322,846 | 21.8 | 303,012 | 13.7 | 625,857 | 17.0 |
| Rail | 54,431 | 3.7 | 97,422 | 4.4 | 151,852 | 4.1 |
| Pipeline | 9,703 | 0.7 | 71,024 | 3.2 | 80,727 | 2.2 |
| Other, unknown & miscellaneous | 99,135 | 6.7 | 83,365 | 3.8 | 182,500 | 4.9 |
Notes: Individual categories may not sum to totals due to rounding.
Excludes intransit data (merchandise shipped from one foreign country to another via a U.S. port).
Imports—excludes imports valued at $2,000 or less. Import value is based on U.S. general imports, customs value basis.
Exports—excludes exports valued at less than $2,500. Export value is FAS (free alongside ship) and represents the value of exports at the port of export, including the transaction price and inland freight, insurance, and other charges.
The data for other, unknown & miscellaneous are derived by subtracting the sum of water, air, truck, rail and pipeline from the total value of merchandise trade.
Sources: Total, water and air—U.S. Department of Commerce, U.S. Census Bureau, Foreign Trade Division, FT920 U.S. Merchandise Trade: Selected Highlights, December 2011, available at http://www.census.gov/foreign-trade/Press-Release/ft920_index.html accessed August 2012. Truck, rail, and pipeline—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/ accessed August 2012.