Related Clues:
- Series of turns: Abbr.
- Rounds: Abbr.
- Scenic or alt. way
- Mail carriers' assignments: Abbr.
- Driving-directions listings: Abbr.
- Bus spec.
- Rural rds.
- Travel options: Abbr.
- Delivery person's ter.
- Sales rep's assignment: Abbr.
- Mail carrier's beat: Abbr.
- Abbr. found on many maps
- GPS lines
- 66, for one (Abbr.)
- GPS data