Related Clues:

• Autos
• Roller-coaster compartments
• They may bump into each other
• Roller-coaster units
• Race and pace
• What lots have lots of
• Train components
• Dodgem units
• They're kept in a lot
• Pullman and dining, for two
• Gridlock elements
• Common conveyances
• Parts of a train
• Coupes and convertibles
• They get tired