sentences:  In March, 1995, routes 40, 44, and 46 were discontinued and 42 was truncated to only operate between Mount Pleasant ans Metro Center.The segment of 40, 42, and 44's route between Metro Center station and Washington Union Station, was replaced by the Sibley Hospital–Stadium Armory Line (D1, D3, and D6).The segment of 40, 42, and 44's route between Union Station and Stadium–Armory station, was also ]replaced by the D6 plus the 96 and 97.