Possible Clues:

• They run North-South in N.Y.C.
• Map parts: Abbr.
• Brutus' birds
• Urban rtes.
• Lexington and others, in N.Y.C.
• Fifth and Mad.
• Indiana and Illinois, in Monopoly: Abbr.
• Some Monopoly buys (Abbr.)
• Madison and Fifth, e.g.: Abbr
• They intersect rds