Related Clues:

• Urban thoroughfare: Abbr.
• 'Hail!'
• Env. alert
• Old-time welcome
• ''Hail!''
• City map abbr.
• Street crosser: Abbr.
• "__ Maria"
• Abbr. spotted in the mailroom
• St. crossing
• Hadrian's hello
• Greetings from Galba
• Cover sheet abbr.
• Envelope or memo abbr., perhaps
• Madison or Park (Abbr.)