Related Clues:

• Hwys. with nos.
• Parade paths: Abbr.
• GPS options: Abbr.
• They meet at jcts.
• AAA expertise
• Travel info
• UAL service-map lines
• 66 and 1, e.g.
• GPS choices: Abbr.
• Itin. references
• Numbered rds
• Detours, e.g.: Abbr
• Short circuits?
• Ltr. carriers' responsibilities
• Bus sched. data