Related Clues:

• Cars for hire
• Members of a certain fleet
• City transports
• Approaches a terminal
• Hailed wheels
• Prepares to take off
• Downtown rides
• They're for hackies
• Airport curb queue
• Waiters at a stand
• Hansoms for hire
• Men and women of all ages hail them
• Rolls down the runway
• Taxis
• Truckers' rest areas?