Related Clues:
- P and Q, in D.C
- GPS grid
- John, Paul and George, but not Ringo: Abbr
- D and C, in D.C
- Highways: Abbr
- Urban network: Abbr
- Hwys. and blvds
- City rtes
- Some GPS lines
- Canonized gp
- Some holiday honorees: Abbr
- Roads that cross avenues: Abbr
- You may pass on these (abbr.)
- Urban thoroughfares: Abbr
- Many GPS lines: Abbr