Related Clues:

• Formal intro?
• Trailer hitch?
• Consciousness starter?
• Highway rumbler
• I-80 hauler
• Circle's beginning?
• Conductor's beginning?
• Weigh station waiter
• Huge truck
• "Circle" or "final" start
• Small home
• It's often used for a long haul
• Precious beginning?
• Many-axled vehicle
• It's in it for the long haul