Related Clues:

• They're for fare use
• Their business is always picking up
• Hotel waiters?
• Vehicles at stands
• Imbibers' transportation, ideally
• Parts of 18-wheelers
• Greyhounds, e.g.
• City fleet
• Curb queuers, sometimes
• Autos for hire
• Rides around town
• Goes Greyhound
• Some urban rides
• They may be Broadway-bound
• Municipal vehicles