Related Clues:

• Fork settings
• Streets
• Where forks may be found
• Some map lines
• Thoroughfares
• Bump sites
• Wilderness encroachers
• Lines on a map
• They're between shoulders
• They may be less traveled
• They go places
• Highways, e.g.
• Some arteries
• They all lead to Rome, in a saying
• Arteries with shoulders