Related Clues:

• Attic vowels
• Hwy. nos.
• G.P.S. output: Abbr.
• Airport monitor info, for short
• U.S. 1 and others: Abbr.
• GPS output (h)
• 1 and 66, briefly
• Some guesses, for short
• Map nos.
• Predicted touchdowns, for short
• ORD or LAX figs.
• GPS info
• They're on the map, briefly
• Some highways with nos.
• Info from airlines