Related Clues:

• Numbered hwys.
• 1 and 66, e.g.: Abbr.
• Interstate sign: Abbr.
• A.A.A. suggestion
• Tpks.
• Hwy.
• Homophone of 42-Across: Abbr.
• Nos. on a road map
• Tpke.
• Road map abbr.
• Atlas abbr.
• Way to go: Abbr.
• Parts of itineraries: Abbr.
• Map abbr.
• A.A.A. recommendation