Related Clues:

• Fix in advance
• Partial prefix
• Final precursor
• Falsify, as prices
• Jury-___ (improvise)
• Partial suffix
• Conductor's opening?
• Tourney round
• Road rig
• Convoy member
• Cargo carrier
• Weigh station user
• Type of pro
• Trucker's tractor-trailer
• Contraption