Related Clues:
- Numbered highway (Abbr.)
- Path on a GPS (Abbr.)
- Newspaper delivery assignment (Abbr.)
- Hwy. with a number
- Numbered road (Abbr.)
- USPS circuit
- FedEx rounds, briefly
- Road map abbreviation
- Rd. or hwy
- Road trip path (Abbr.)
- Google Maps might provide several of them: Abbr
- Road sign abbr
- Mail carrier's circuit: Abbr
- GPS abbreviation
- Hwy. 1, for one