| Answer | Crossword Clue |
|---|---|
| HWY | Interstate abbr. |
| RTE | Interstate (abbr.) |
| RTE | Interstate: Abbr. |
| RTE | Interstate abbr. |
| HGWY | Interstate: Abbr. |
| RTE | Interstate sign: Abbr. |
| RTE | Interstate sign abbr. |
| HWY | Interstate, e.g.: Abbr. |
| RRS | Subjects of interstate regulation: Abbr. |
