Related Clues:

• Wilderness encroachers
• Lines on a map
• Lines on some maps
• They're between shoulders
• Milieux for some hogs
• They may be less traveled
• Bourbon and others
• Basin and Beale
• Fiction's Main and Back
• They go places
• Highways, e.g.
• Some arteries
• They all lead to Rome, in a saying
• Arteries with shoulders
• Wall and others