Answer:

mta

AnswerCrossword Clue
MTAKingston Trio hit
MTANYC subway company
MTARide this below the streets of Boston
MTAOrg. operating in Grand Central Station
MTANYC subway operator
MTAUrban transit org.
MTAWhat Charlie rode in song
MTA1959 Kingston Trio hit
MTAKingston Trio classic
MTA1959 Kingston Trio song
MTACharlie's ride
MTANYC transp. grp.
MTACharlie's ride in song
MTAKingston Trio tune of 1959
MTA1959 Kingston Trio tune
MTANYU student's transport
MTABoston transit syst.
MTAWhere Charlie was trapped, in a 1959 song
MTA1959 hit that was a 1948 political campaign song
MTA1959 hit with the line "Charlie couldn't get off of that train"
MTALA bus gp.
MTABeantown transit syst.
MTA1959 hit with the lyric "Fight the fare increase!"
MTABoston transit inits.
MTANYC subway inits.
MTAWhere Charlie was trapped, in a Kingston Trio hit
MTASubway co. in a 1959 song
MTACommon commuting letters
MTAL.A. bus-and-rail org.
MTANYC subway org.
MTANYC subway overseer
MTAKingston Trio hit of 1959
MTABoston commuter syst.
MTACharlie's endless ride, in a 1959 Kingston Trio hit
MTA1959 hit about "a man named Charlie"
MTANYC subway overseers
MTABig Apple subway org.
MTAKingston Trio hit about Charlie
MTAN.Y.C. commuter option
MTAN.Y.C. subway inits.