Related Clues:

• Pennsylvania ___ (White House locale: Abbr.)
• Memo-routing abbr
• Many a Monopoly property: Abbr
• Bus. envelope abbr
• Road map abbr
• Abbr. on an itinerary, maybe
• GPS screen abbr
• Boston's Mass ___
• Commonwealth, for ex
• Business-envelope abbr
• Way to go: Abbr
• "Greetings, Caesar"
• "Hey, Caesar"
• Many a state name, in D.C
• St. or blvd. relative