The Green Line is a semi-metro system run by the Massachusetts Bay Transportation Authority (MBTA) in the Boston, Massachusetts, metropolitan area. It is the oldest MBTA subway line, and with tunnel sections dating from 1897, the oldest subway in North America. It runs underground through downtown Boston, and on the surface into inner suburbs via six branches on radial boulevards and grade-separated alignments. With an average daily weekday ridership of 137,700 in 2019, it is the third-most heavily used light rail system in the country. The line was assigned the green color in 1967 during a systemwide rebranding because several branches pass through sections of the Emerald Necklace of Boston.
The Orange Line is a rapid transit line operated by the Massachusetts Bay Transportation Authority (MBTA) as part of the MBTA subway system. The line runs south on the surface from Oak Grove station in Malden, Massachusetts through Malden and Medford, paralleling the Haverhill Line, then crosses the Mystic River on a bridge into Somerville, then into Charlestown. It passes under the Charles River and runs through Downtown Boston in the Washington Street Tunnel. The line returns to the surface in the South End, then follows the Southwest Corridor southwest in a cut through Roxbury and Jamaica Plain to Forest Hills station.
Park Street station is an MBTA subway station in Boston, Massachusetts. It is located at the intersection of Park Street and Tremont Street at the eastern edge of Boston Common in Downtown Boston. One of the two oldest stations on the "T", and part of the oldest subway line in the United States, Park Street is the transfer point between the Green and Red lines, as one of the quartet of "hub stations" on the MBTA subway system. Park Street is the fifth-busiest station in the MBTA network, with an average of 16,571 entries each weekday in FY2019.
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.
Haymarket station is an underground Massachusetts Bay Transportation Authority (MBTA) rapid transit station located at Haymarket Square in Boston, Massachusetts. It is a transfer station between the Green Line and Orange Line of the MBTA subway system, as well as a terminal for MBTA bus routes serving northern and northeastern suburbs. The two lines run parallel to each other through the station, with two side platforms for the Orange Line and a single island platform for the Green Line. The station is fully accessible.
Boylston station is a light rail station on the MBTA Green Line in downtown Boston, Massachusetts, located on the southeast corner of Boston Common at the intersection of Boylston Street and Tremont Street. A southbound street-level stop for the SL5 route of the bus rapid transit Silver Line is outside fare control. The station has two island platforms; each has one disused track, making them effectively side platforms. Boylston is not accessible for Green Line trains.
The Winter Street Concourse is a pedestrian tunnel connecting the upper levels of the Downtown Crossing and Park Street subway stations in Boston, Massachusetts. It facilitates movement between the Green and Orange rapid transit lines operated by the Massachusetts Bay Transportation Authority, and consequently alleviates congestion on the Red Line.
The Atlantic Avenue Elevated was an elevated railway around the east side of Downtown Boston, Massachusetts, providing a second route for the Boston Elevated Railway's Main Line Elevated around the Washington Street tunnel. It was in use from 1901 to 1938, when it was closed due to low ridership, later being demolished.
The Pleasant Street incline or Pleasant Street portal was the southern access point for the Tremont Street subway in Boston, Massachusetts, which became part of the Green Line after the incline was closed. The portal and the section of tunnel connecting it to Boylston served streetcars from 1897 to 1901, Main Line Elevated trains from 1901 to 1908, and streetcars again from 1908 to 1962. The Pleasant Street incline is now abandoned, but plans have been floated at various times to reuse it.
Route 43 is a local bus route in Boston, Massachusetts, operated by the Massachusetts Bay Transportation Authority (MBTA) as part of MBTA bus service. The route runs southwest from downtown Boston along Tremont Street, ending at the Ruggles bus terminal and Orange Line transfer point. It is notable as the last streetcar service to use the since-covered-over Pleasant Street incline before its bustitution; until the new Southwest Corridor relocation of the southern Orange Line opened in May 1987, the route continued down Tremont Street and Columbus Avenue to Egleston.
Nubian station is a ground-level Massachusetts Bay Transportation Authority (MBTA) bus station located in Nubian Square in the Roxbury neighborhood of Boston, Massachusetts, United States. It is a transfer point between MBTA bus routes, including two Silver Line bus rapid transit lines and 14 local routes. Like all MBTA bus stops, Nubian is fully accessible.
The E branch is a light rail line in Boston, Cambridge, Medford, and Somerville, Massachusetts, operating as part of the Massachusetts Bay Transportation Authority (MBTA) Green Line. The line runs in mixed traffic on South Huntington Avenue and Huntington Avenue between Heath Street and Brigham Circle, in the median of Huntington Avenue to Northeastern University, then into the Huntington Avenue subway. The line merges into the Boylston Street subway just west of Copley, running to North Station via the Tremont Street subway. It then follows the Lechmere Viaduct to Lechmere, then the Medford Branch to Medford/Tufts. As of February 2023, service operates on eight-minute headways at weekday peak hours and eight to nine-minute headways at other times, using 13 to 17 trains.
As with many large cities, a large number of Boston-area streetcar lines once existed, and many continued operating into the 1950s. However, only a few now remain, namely the four branches of the Green Line and the Ashmont–Mattapan High-Speed Line, with only one running regular service on an undivided street.
The Canal Street incline was a ramp connecting two transit tunnels in Boston with surface and elevated lines. It was located in the Bulfinch Triangle between North Station and Haymarket Square in two blocks bounded by Canal Street to the west, Causeway Street to the north, Haverhill Street to the east, and Market Street to the south. The incline was the north end of the Tremont Street subway and the Washington Street Tunnel. Built in 1898, it remained in use until 2004 when the last connecting line was moved underground.
The Washington Street Elevated was an elevated segment of Boston's Massachusetts Bay Transportation Authority subway system, comprising the southern stretch of the Orange Line. It ran from Chinatown through the South End and Roxbury, ending in Forest Hills in Jamaica Plain, Boston.
The Charlestown Elevated was a segment of the MBTA Orange Line rapid transit line that ran from the Canal Street Incline in downtown Boston, Massachusetts through Charlestown to a terminal in Everett, Massachusetts. It opened in June 1901 and was replaced by the Haymarket North Extension in April 1975.
The Tremont Street subway in Boston's MBTA subway system is the oldest subway tunnel in North America and the third-oldest still in use worldwide to exclusively use electric traction, opening on September 1, 1897. It was originally built, under the supervision of Howard A. Carson as chief engineer, to get streetcar lines off the traffic-clogged streets, instead of as a true rapid transit line. It now forms the central part of the Green Line, connecting Boylston Street to Park Street and Government Center stations.
The Causeway Street elevated was an elevated section of the MBTA Green Line light rail system in Boston, located in the area near North Station. It was in operation from 1912 until 2004, when it was replaced with a new tunnel and underground station on a slightly different alignment.
Egleston was a rapid transit station in Boston, Massachusetts. It served the Washington Street Elevated, part of the MBTA's Orange Line. It was located over Egleston Square at the intersection of Washington Street and Columbus Avenue in the Roxbury neighborhood. The station opened in November 1909, and was closed in April 1987 when the Orange Line was rerouted to the west along the Southwest Corridor.
North Station is an underground MBTA subway station in Boston, Massachusetts. Served by the Massachusetts Bay Transportation Authority (MBTA) Green Line and Orange Line, it is connected to the North Station surface terminal used by MBTA Commuter Rail and Amtrak. The station is fully accessible.
