| Answer | Crossword Clue |
|---|---|
| MAINE | U.S. 1's northern terminus |
| MAINE | Northern terminus of U.S. 1 |
| KEYWEST | Terminus of U.S. 1 |
| CAPECOD | Eastern terminus of 3,205-mile-long U.S. Route 6 |
| ATTU | Northern U.S. outpost |
| SNOWBELT | Northern parts of the U.S. |
| THULE | Northern air base of U. S. and Denmark. |
