Related Clues:

• Urban rtes.
• Brutus' birds
• Class of birds
• Lex and Park, e.g., in N.Y.C.
• Hwys., e.g.
• Map parts: Abbr.
• Pennsylvania and others: Abbr.
• Rural sts.
• Turnoffs, e.g.: Abbr.
• Some lead to forks, briefly
• Bird classification
• City rtes.
• St. intersectors
• Erstwhile ova
• 1st, 2nd and 3rd, perhaps