Related Clues:

• Numbered hwys.
• 1 and 66, e.g.: Abbr.
• Tpks.
• Postal rtes.
• Bolt
• Map abbreviations
• Nos. on a road map
• Aves.
• Parts of itineraries: Abbr.
• Address nos.
• U.S. 1 and others
• Mail carriers have them: Abbr.
• Some rtes.
• Map rtes.
• A.A.A. recommendations