Crossword clues for Subway system 4 lettersAnswerClueLINESubway systemBARTS.F. subway systemTHETBoston bus-and-subway system, familiarlyTHETSubway and bus system of Boston, familiarlyBMTSubway sub named for a former subway systemSTASubway system loc.IRTDivision of the NYC subway systemORANGELINEPart of the subway system in Chicago, Boston or D.C.METROD.C. subway systemUNDERGROUND*London subway system, with "the"TERMINISubway system extremesRAPIDTRANSITSubway system, e.g.RAPIDTRANSITSubway systemTHEADSLeaders of Boston's subway system?METROSubway systemIRTPart of New York City's subway system.UBAHNBerlin's subway systemIRTOldest subway system in N. Y. C.IRTSubway system of N. Y. C.IRTPart of N. Y. C.'s subway system.IRTN. Y. subway system: Abbr.UNDERGROUNDBritish subway systemLONDONWith 8-Across, world's oldest subway system?METROD.C.'s subway systemBLUELINEPart of Boston's subway system that runs under Boston HarborORRAlexander ___, pioneer and early head of New York's subway systemPARISMETROSubway system with a Champ de Mars-Tour Eiffel stationINDPart of N. Y. C.'s subway system.METROSSubway systemsSTRAYDOGOne of a group of about 20 Moscow inhabitants that have learned to commute via its subway systemIRTNYC subway systemMETROParis subway systemMTABoston subway system, formerlyMTANYC subway systemUBAHNVienna subway systemIRTOriginal N.Y.C. subway systemMARTAAtlanta's subway and bus systemBLARESound over a subway's public address system, e.g.IRTSubway in N. Y. City Transit System.