Related Clues:

• 1st, 2nd and 3rd, e.g.: Abbr.
• Wall et al.
• Ma and Pa
• Main and Oak (Abbr.)
• Fleet, Wall, etc.: Abbr.
• Holy ones: Abbr.
• Low-quality
• City planning concerns: Abbr.
• Ave. intersectors
• Rds
• Map abbrs.
• Hill and Sesame (Abbr.)
• A, B and C in D.C.
• Manhattan's east/west arteries: Abbr.
• E and G, e.g., in D.C.