Related Clues:

• Pedestrians cross them: Abbr
• 22-Down lines
• Streets (Abbr.)
• Crossing guards help people cross them (Abbr.)
• Some grid lines: Abbr
• Canal and Mott, in N.Y.C
• Aves. or blvds
• City map lines: Abbr
• NY and LA
• C and D in D.C