Related Clues:

• 66, for one: abbr.
• U.S. hwy., e.g.
• Interstate sign abbr.
• I-5, for one
• 66, for ex.
• Address abbreviation, perhaps
• Sunset, e.g.: Abbr.
• Interstate abbr.
• GPS suggestion
• G.P.S. request
• Bus assignment: abbr.
• GPS info
• UPS driver's assignment
• Tpk.'s kin
• USPS info