Related Clues:

• Rte. that runs diagonally, in D.C.
• "Greetings, Caesar!"
• Boston's Commonwealth, e.g. (Abbr.)
• St.'s cousin
• Routing aid: Abbr.
• Fax cover sheet abbr.
• Business memo abbr.
• One of 17 in Monopoly: Abbr.
• MapQuest abbr.
• St. Bernard in New Orleans, e.g.: Abbr.
• St. crosser, in New York City
• Letters in a bus. letter
• N.Y.C.'s Columbus, e.g.
• NYC's ___ of the Americas
• 'Greetings, Galba!'