Sign photos from Oklahoma.
| Description | Photographer | Date |
|---|---|---|
| I-40 Exit 53. A shot of a typical Oklahoma freeway exit sign, complete with the old round state highway shield. Beginning in 2006, Oklahoma changed their state route signs to an outline of the state. | Earl Cochran | May 2006 |
| I-40 Rest Area. Honoring Oklahoma's Veterans. | Earl Cochran | May 2006 |
