| Answer | Crossword Clue |
|---|---|
| RTEI | U.S. highway. |
| ROUTE | U.S. highway. |
| RTI | U.S. highway |
| ITEN | Southernmost cross-country U.S. highway |
| MAIN | Street that may be a U.S. highway |
| THREE | U.S. ..., known in New Hampshire as the Daniel Webster Highway |
| NINE | U.S. highway with a ferry connection between Delaware and New Jersey |
