Related Clues:

• 1 or 66, briefly
• Road-sign abbr.
• Map no.
• I-90 in Mass., e.g.
• Way to go, briefly
• Rd. map line, perhaps
• Certain numbered hwy.
• Short map line?
• Caesar's lang.
• Wee way
• No. on a map
• I-80, for one
• Back muscle, to gym regulars
• Short back muscle
• Highlighted line on a map: Abbr.