Government Center station is an MBTA subway station in Boston, Massachusetts. It is located at the intersection of Tremont, Court and Cambridge Streets in the Government Center area. It is a transfer point between the light rail Green Line and the rapid transit Blue Line. With the Green Line platform having opened in 1898, the station is the third-oldest operating subway station in the MBTA system; only Park Street and Boylston are older. The station previously served Scollay Square before its demolition for the creation of Boston City Hall Plaza.