| Answer | Crossword Clue |
|---|---|
| ADIT | Collier.s route |
| ROAD | Route U. S. 1. |
| OREGONTRAIL | Great pioneer route of U. S. history. |
| SCENIC | Like the West Coast's U.S. Route 101 |
| WILDERNESS | Daniel Boone's road, now U. S. Route 24. |
| ALCAN | U.S.-built route that's mostly outside the U.S. |
| CAPECOD | Eastern terminus of 3,205-mile-long U.S. Route 6 |
