Answer: IRT

AnswerCrossword Clue
IRTThe Flushing Line is part of it: Abbr.
IRTN.Y.C. subway inits.
IRTN.Y.C.'s first subway line
IRTN.Y.C. subway syst.
IRTN.Y.C.'s original subway line
IRTN.Y.C.'s first subway co.
IRTN.Y.C. subway letters
IRTOld N.Y.C. depot inits.
IRTOld N.Y.C. subway inits.
IRTNYC line
IRT"Just Another Girl on the ..." (1993 drama)
IRTNYC's numbered subway lines
IRTOriginal NYC subway operator
IRTOriginal N.Y.C. subway system
IRTFormer NYC subway company
IRTNYC tube
IRTNYC transport
IRTOld NYC subway line
IRTOld N.Y.C. elevated operator
IRTSubway line to Columbia U.
IRTN. Y. C. subway
IRTN. Y. subway system: Abbr.
IRTN. Y. C. subway, for short.
IRTN.Y.C. subway.
IRTN.Y.C. subway system.
IRTN. Y. subway line.
IRTN. Y. subway
IRTN. Y. subway line
IRTN.Y. subway line
IRTN.Y. subway
IRTOriginal N.Y.C. subway line
IRTN.Y.C. line
IRTN.Y.C. transit
IRTBig Apple subway
IRTN.Y.C. subway line
IRTN.Y.C. transit line
IRTSubway in N.Y.C.
IRTA subway in N.Y.C.
IRTAn N.Y.C. subway
IRTBMT's kin