Related Clues:
- Road map lines: abbr.
- Some NYC block separators
- B'way crossers
- Urban rds.
- Teresa and Helena: Abbr.
- Ave. crossers, often
- Urban gridwork: Abbr.
- D.C. has lettered ones
- Urban grid: Abbr.
- They run North-South in N.Y.C.
- Elm and Maple, briefly
- Indiana and Illinois, in Monopoly: Abbr.
- Pat and Pete, among others
- They cross rds.
- N. Dakota or S. Dakota, for two