 The ten ConnDOT-owned bar cars, which ran on express trains to New Haven, Stamford, South Norwalk and New Canaan, remained in service during weekdays until May 2014.48 M2s were overhauled starting in 1994, with 24 returning to service in 1995.After the LIRR and Hudson/Harlem lines received an updated version of the original Metropolitan series of cars in 1984-86 (the LIRR M3 and Metro-North M3A series), plans were announced for a similar undertaking on the New Haven Line.