Related Clues:

• 1st, 2nd and 3rd, e.g.: Abbr.
• Some people pass on them: Abbr.
• Wall et al.
• Ma and Pa
• Main and Oak (Abbr.)
• Interstate syst.
• Expys.
• Fleet, Wall, etc.: Abbr.
• Routes: Abbr.
• Holy ones: Abbr.
• Low-quality
• County streets (Abbr.)
• Aves., sts., etc.
• City planning concerns: Abbr.
• Ave. intersectors