Related Clues:

• Downing and others, briefly
• Rd. alternatives
• Alternatives to Sts.
• HI and OK
• Urban intersectors (Abbr.)
• 1st to 220th, in Manhattan: Abbr.
• Bourbon and Sesame: Abbr.
• Some sweepers sweep them: Abbr.
• Wall and Bourbon, e.g.: Abbr.
• Things often passed on: Abbr.
• Many figs. on stained-glass windows
• Urban grid abbrs.
• G.P.S. data
• D and C, in D.C., for ex.
• Cert. accessways