($ millions)
| Rank | State | Total | Exports | Imports |
|---|---|---|---|---|
| 1 | Michigan | 24,266 | 3,992 | 20,274 |
| 2 | Illinois | 8,259 | 4,669 | 3,590 |
| 3 | Texas | 7,001 | 4,635 | 2,366 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Transborder Surface Freight Data, 2008.