The Green Line is a light rail 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.
Longwood Medical Area station is a light rail stop on the MBTA Green Line E branch, located in the Mission Hill neighborhood of Boston, Massachusetts. It is named for the adjacent Longwood Medical Area.
Brigham Circle station is a station on the light rail MBTA Green Line "E" branch, located just east of Brigham Circle in the Mission Hill neighborhood of Boston, Massachusetts. With raised platforms installed in a 2001-03 renovation, the station is accessible when served by low-floor streetcars.
Northeastern University station is a surface-level trolley stop on the MBTA Green Line. It is located in a dedicated median along Huntington Avenue in Boston, between Opera Place and Forsyth Street, and is adjacent to the Krentzman Quad on the campus of Northeastern University. It is the first surface-level stop going outbound along the Green Line E branch; trolleys rise from a portal located between Opera Place and Gainsborough Street and continue along the surface down Huntington Avenue towards Mission Hill.
Forest Hills station is an intermodal transfer station in Boston, Massachusetts. It serves the MBTA rapid transit Orange Line and three MBTA Commuter Rail lines and is a major terminus for MBTA bus routes. It is located in Forest Hills, in the southern part of the Jamaica Plain neighborhood. Most Providence/Stoughton Line and Franklin Line trains, and all Amtrak Northeast Corridor trains, pass through the station without stopping.
Heath Street station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station in Boston, Massachusetts. It is the southwestern terminus of the Green Line E branch. It is located at the intersection of South Huntington Avenue and Heath Street on the border between the Mission Hill and Jamaica Plain neighborhoods.
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 2022, service operates on 7 to 7.5-minute headways on weekdays and 9-minute headways on weekends, using 12 to 15 trains.
The C branch, also called the Beacon Street Line or Cleveland Circle Line, is one of four branches of the Massachusetts Bay Transportation Authority's Green Line light rail system in the Boston, Massachusetts metropolitan area. The line begins at Cleveland Circle in the Brighton neighborhood of Boston and runs on the surface through Brookline along the median of Beacon Street. Reentering Boston, the line goes underground through the St. Mary's Street incline and joins the B and D branches at Kenmore. Trains run through the Boylston Street subway to Copley where the E branch joins, then continue through the Tremont Street subway to downtown Boston. The C branch has terminated at Government Center station since October 2021.
The B branch, also called the Commonwealth Avenue branch or Boston College branch, is a branch of the MBTA Green Line light rail system which operates on Commonwealth Avenue west of downtown Boston, Massachusetts. One of four branches of the Green Line, the B branch runs from Boston College station down the median of Commonwealth Avenue to Blandford Street. There, it enters Blandford Street portal into Kenmore station, where it merges with the C and D branches. The combined services run into the Boylston Street subway and Tremont Street subway to downtown Boston. B branch service has terminated at Government Center since October 2021. Unlike the other branches, the B branch runs solely through the city limits of Boston. The Green Line Rivalry between Boston College and Boston University is named in reference to the B branch, which runs to both universities.
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.
Museum of Fine Arts is a surface-level light rail stop on the MBTA Green Line E branch, located the median of Huntington Avenue in Boston, Massachusetts, between Museum Road and Ruggles Street. The station is named after the adjacent Museum of Fine Arts, although it also provides access to Northeastern University, Wentworth Institute of Technology, and the Isabella Stewart Gardner Museum. Museum of Fine Arts station is accessible.
Copley station is an underground light rail station on the MBTA Green Line, located in the Back Bay section of Boston, Massachusetts. Located in and named after Copley Square, the station has entrances and exits along Boylston Street and Dartmouth Street.
Huntington Avenue is a thoroughfare in the city of Boston, Massachusetts, beginning at Copley Square and continuing west through the Back Bay, Fenway, Longwood, and Mission Hill neighborhoods. It is signed as Massachusetts Route 9. A section of Huntington Avenue has been officially designated the Avenue of the Arts by the city of Boston.
Mission Park station is a light rail stop on the MBTA Green Line E branch, located on Huntington Avenue in the Mission Hill neighborhood of Boston, Massachusetts.
Brookline Village station is a light rail station on the MBTA Green Line D branch, located in the Brookline Village neighborhood of Brookline, Massachusetts, United States. It was originally a commuter rail station on the Boston and Albany Railroad's Highland branch; it closed with the rest of the line in 1958 and reopened on July 4, 1959 as a light rail station. With 3,230 daily boardings, it is the third-busiest surface station on the D branch and the sixth-busiest surface station overall. Brookline Village station has raised platforms for accessibility with low-floor light rail vehicles.
Fenwood Road station is a light rail stop on the MBTA Green Line E branch, located on Huntington Avenue at Fenwood Road in the Mission Hill neighborhood of Boston, Massachusetts. Fenwood Road is the third-least-used stop on the Green Line, with 221 daily boardings by a 2011 count.
Riverway station is a light rail station on the MBTA Green Line E branch, located at the intersection of South Huntington Avenue and Huntington Avenue in Boston, Massachusetts, slightly east of Brookline Village. The station is named for the Riverway parkway which runs on an overpass just to the west.
Amory Street station is a light rail stop on the Massachusetts Bay Transportation Authority (MBTA) Green Line B branch, located in the median of Commonwealth Avenue in the west part of the Boston University campus. The accessible station has two side platforms serving the line's two tracks, with access at Amory Street and St. Paul Street.
The Ipswich Street line was a streetcar line in Boston and Brookline, Massachusetts. The line ran on Boylston Street and Ipswich Street in the Fenway–Kenmore neighborhood, and on Brookline Avenue through what is now the Longwood Medical Area to Brookline Village.
MBTA bus: 39 
