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