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.
Coolidge Corner station is a light rail stop on the MBTA Green Line C branch, located at the intersection of Beacon Street and Harvard Street in the Coolidge Corner neighborhood of Brookline, Massachusetts. With 3,440 daily boardings by a 2011 count, it had more than twice the ridership of any other surface station on the branch.
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.
The Green Line D branch is a light rail line in Boston, Brookline, Cambridge, Newton, and Somerville, Massachusetts, operating as part of the Massachusetts Bay Transportation Authority (MBTA) Green Line. The line runs on a grade separated surface right-of-way for 9 miles (14 km) from Riverside station to Fenway station. The line merges into the C branch tunnel west of Kenmore, then follows the Boylston Street subway and Tremont Street subway to North Station. It is the longest and busiest of the four Green Line branches. As of February 2023, service operates on 8 to 9-minute headways at weekday peak hours and 8 to 11-minute headways at other times, using 13 to 19 trains.
Fenway station is a light rail stop on the MBTA Green Line D branch, located under Park Drive near the Riverway in the Fenway–Kenmore neighborhood of Boston, Massachusetts. It opened along with the rest of the D branch on July 4, 1959, when trolleys replaced Highland branch commuter rail service. The station is fully accessible from Park Drive via the Landmark Center parking lot, as well as from Miner Street. Named after the Fenway parkway rather than Fenway Park, it is further from the stadium than Kenmore, though still used during events.
Back of the Hill station is a surface stop on the light rail MBTA Green Line E branch, located in the Mission Hill neighborhood of Boston, Massachusetts. It is named after, and primarily serves, the adjacent Back of the Hill apartment complex, a Section 8 development for elderly and disabled residents. Back of the Hill is located on the street running section of the E branch on South Huntington Avenue. The station has no platforms; passengers wait in bus shelters on the sidewalks and cross a traffic lane to reach Green Line trains.
Beaconsfield is an MBTA light rail station in Brookline, Massachusetts. It serves the Green Line D branch. It is located off Dean Road and Beaconsfield Road just south of Beacon Street. Like the other stops on the line, it was a commuter rail station on the Boston and Albany Railroad's Highland branch until 1958, when the line was closed and converted to a branch of what is now the Green Line. The station reopened along with the rest of the line in 1959.
St. Mary's Street station is a surface light rail stop on the MBTA Green Line C branch, located just west of the intersection of Beacon Street and Park Drive in the northeastern tip of Brookline, Massachusetts. Like all surface stops on the line, St Mary's Street has two side platforms serving two tracks. The station is accessible. With just over 1,500 daily boardings by a 2011 count, St. Mary's Street is the second-busiest stop on the C branch, behind only Coolidge Corner.
Fairbanks Street station is a light rail stop on the MBTA Green Line C branch in Brookline, Massachusetts, located in the median of Beacon Street. Fairbanks station has two side platforms serving the line's two tracks. It is not accessible, although a wheelchair lift allows accessible transfer between the two elevations of the two halves of Beacon Street at the station.
Dean Road station is a light rail stop on the MBTA Green Line C branch, located in the median of Beacon Street in Brookline, Massachusetts. The stop has two staggered side platforms, the platform before the grade crossing in each direction. Dean Road has no MBTA bus connections and is not accessible.
Lansdowne station is an MBTA Commuter Rail station in Boston, Massachusetts. It serves the Framingham/Worcester Line. Lansdowne is located next to the Massachusetts Turnpike in the Fenway–Kenmore neighborhood near Kenmore Square, below grade between Beacon Street and Brookline Avenue.
Brookline Hills station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line D branch in the Brookline Hills neighborhood of Brookline, Massachusetts. The station has two side platforms serving the line's two tracks. It was closed from April 2021 to January 2022 as part of adjacent construction on a Brookline High School building, which included renovations to make the station accessible.
Chestnut Hill station is a light rail station on the MBTA Green Line D branch, located off Hammond Street north of Massachusetts Route 9 in the Chestnut Hill neighborhood of Newton, Massachusetts. The station has two side platforms serving the line's two tracks. Chestnut Hill station is not accessible, but renovations are planned.
Hawes Street station is a light rail surface stop on the MBTA Green Line C branch, located in the median of Beacon Street west of Hawes Street in Brookline, Massachusetts. The station consists of two side platforms which serve the C branch's two tracks. With 339 boardings on an average weekday in 2011, Hawes Street has the lowest ridership on the C branch and fourth-lowest on the entire Green Line.
Kent Street station is a light rail surface stop on the MBTA Green Line C branch, located in the median of Beacon Street in Brookline, Massachusetts. The two side platforms are staggered on opposite sides of the Kent Street / Powell Street grade crossing; the outbound platform is to the east and the inbound platform to the west. Kent Street is not accessible.
St. Paul Street station is a light rail surface stop on the MBTA Green Line C branch, located in the median of Beacon Street at St. Paul Street in Brookline, Massachusetts. St. Paul Street has of two staggered side platforms which serve the C branch's two tracks; the inbound platform is to the west of the intersection, and the outbound platform to the east.
Summit Avenue station is a light rail stop on the MBTA Green Line C branch, located in the median of Beacon Street between Winchester Street and Summit Avenue in the Coolidge Corner neighborhood of Brookline, Massachusetts. The stop has two low side platforms that serve the line's two tracks; it is not accessible.
Tappan Street station is a light rail station on the MBTA Green Line C branch, located in the median of Beacon Street east of Tappan Street in Brookline, Massachusetts. The station consists of two side platforms which serve the C branch's two tracks. Tappan Street has no bus connections and is not accessible.
Englewood Avenue station is a light rail station on the MBTA Green Line C branch located in the median of Beacon Street just west of Englewood Avenue in Brookline, Massachusetts. The station consists of two low side platforms which serve the C branch's two tracks. Englewood Avenue is not accessible.
