Several MBTA stations and associated lines use variations on the name Washington:The Washington Street Tunnel (Boston), built in 1908, carries the Orange Line metro line with four stations directly under Washington StreetDowntown Crossing (MBTA station) was known as Washington from 1967 to 1987; the lower level was named Washington (sometimes Washington Street) from its 1915 openingSilver Line (MBTA)#Washington Street: SL4 and SL5, two routes of the Silver Line bus rapid transit system, opened in 2002Washington Street (MBTA Green Line "B" Branch station) on the Green Line "B" Branch in AllstonWashington Square (MBTA station) on the Green Line "C" Branch in BrooklineWashington Street (MBTA Green Line "D" Branch station), under construction on the Green Line "D" Branch in Somerville as part of the Green Line Extension
