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.
The Prudential Center is an enclosed shopping mall within the mixed-use Prudential Center complex in the Back Bay neighborhood of Boston, Massachusetts. It is located at the base of the Prudential Tower, and provides direct indoor connections to several nearby destinations including the Hynes Convention Center, the office towers at 101 and 111 Huntington Avenue, and the Sheraton Boston hotel. The mall is connected to the Copley Place shopping mall via a skybridge over Huntington Avenue. As of 2022, the complex currently features a Saks Fifth Avenue, and notable brands such as Earl's, Lacoste, Club Monaco, Ralph Lauren, and Vineyard Vines.
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.
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.
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.
Hynes Convention Center station is an underground light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line. It is located at the intersection of Newbury Street and Massachusetts Avenue near the western end of the Back Bay neighborhood of Boston, Massachusetts. The station is named for the Hynes Convention Center, which is located about 700 feet (210 m) to the east along Boylston Street. It has two side platforms serving the two tracks of the Boylston Street subway, which are used by the Green Line B branch, C branch, and D branch. The main entrance to the station from Massachusetts Avenue leads to a fare lobby under the 360 Newbury Street building.
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.
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.
The A branch or Watertown Line was a streetcar line in the Boston, Massachusetts, area, operating as a branch of the Massachusetts Bay Transportation Authority Green Line. The line ran from Watertown through Newton Corner, Brighton, and Allston to Kenmore Square, then used the Boylston Street subway and Tremont Street subway to reach Park Street station.
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.
Arlington station is an underground light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located at the southwest corner of the Boston Public Garden at the corner of Arlington and Boylston Streets at the east end of the Back Bay neighborhood of Boston, Massachusetts. Arlington station was not included in the original construction of the Boylston Street subway, which opened in 1914. Its construction was delayed by World War I, and the station ultimately opened in 1921.
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 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.
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.
Symphony station is an underground light rail station in Boston, Massachusetts on the E branch of the MBTA Green Line. It is located at the intersection of Massachusetts Avenue and Huntington Avenue. Symphony is the outermost underground station on the E branch; after leaving Symphony, outbound trains emerge onto the surface and continue down the median of Huntington Avenue. Symphony station is named after the nearby Symphony Hall.
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.
The Boylston Street subway is a light rail tunnel which lies primarily under Boylston Street in Boston, Massachusetts. In operation since 1914, it now carries all four branches of the MBTA Green Line from Kenmore Square under the Back Bay into downtown Boston, where it joins with the older Tremont Street subway. The tunnel originally ended just east of Kenmore Square; it was extended under the square to new portals at Blandford Street and St. Mary's Street in 1932.
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, 55 
