Related Clues:

• Where Charlie was trapped, in a 1959 song
• '59 Kingston Trio tune
• A train grp.
• Kingston Trio hit named for a subway system
• NYC subway overseer
• Kingston Trio tune
• Large ray
• Letters in transit?
• LA bus gp.
• Abbr. on NYC buses
• 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
• Boston transit syst.
• N.Y. commuter org.