Related Clues:

• Letters in transit?
• The Flushing Line is part of it: Abbr.
• LA bus gp.
• Abbr. on NYC buses
• Subway under B'way
• 1959 hit with the line "Charlie couldn't get off of that train"
• N.Y.C. subway org.
• 1959 hit that was a 1948 political campaign song
• First subway line in NYC
• Boston transit syst.
• N.Y. commuter org.
• Beantown transit syst.
• L.A. bus co.
• Original NYC subway operator
• Kingston Trio classic