The Red 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 and east underground from Alewife station in North Cambridge through Somerville and Cambridge, surfacing to cross the Longfellow Bridge then returning to tunnels under Downtown Boston. It continues underground through South Boston, splitting into two branches on the surface at JFK/UMass station. The Ashmont branch runs southwest through Dorchester to Ashmont station, where the connecting light rail Ashmont–Mattapan High Speed Line continues to Mattapan station. The Braintree branch runs southeast through Quincy and Braintree to Braintree station.
The Blue Line is a rapid transit line in the Greater Boston metropolitan area, one of four rapid transit lines operated by the Massachusetts Bay Transportation Authority (MBTA). It runs from Bowdoin station in downtown Boston under Boston Harbor to East Boston and Revere on the inner North Shore, where it terminates at Wonderland. The stop at Airport Station, by way of a free shuttle bus, is one of two rapid transit connections to Logan International Airport. In 1967, during a systemwide rebranding, the line was assigned the blue color because it passes under the Boston Harbor. With an end-to-end travel time of less than twenty minutes, the Blue Line is the shortest of Boston's heavy-rail lines and the only line to have both third rail and overhead catenary sections.
The Ashmont–Mattapan High-Speed Line, commonly referred to as the Mattapan Trolley, is a partially grade-separated light rail line which forms part of the MBTA's Red Line rapid transit line. The line, which runs through Boston and Milton, Massachusetts, opened on August 26, 1929, as a conversion of a former commuter rail line. It exclusively uses PCC streetcars built in the 1940s. Passengers must transfer at Ashmont to access the rest of the Red Line, which uses heavy rail metro rolling stock.
Charles/MGH station is a rapid transit station on the MBTA Red Line, elevated above Charles Circle on the east end of the Longfellow Bridge in the West End neighborhood of Boston, Massachusetts. The station is named for Charles Circle and the adjacent Massachusetts General Hospital (MGH) campus. It has two side platforms, with a glass-walled headhouse structure inside Charles Circle. Charles/MGH station is fully accessible.
JFK/UMass station is a Massachusetts Bay Transportation Authority (MBTA) intermodal transfer station, located adjacent to the Columbia Point area of Dorchester, Boston, Massachusetts. It is served by the rapid transit Red Line; the Greenbush Line, Kingston/Plymouth Line, and Middleborough/Lakeville Line of the MBTA Commuter Rail system, and three MBTA bus routes. The station is named for the John F. Kennedy Presidential Library and Museum and the University of Massachusetts Boston, both located nearby on Columbia Point.
Downtown Crossing station is an underground Massachusetts Bay Transportation Authority (MBTA) rapid transit station located in the Downtown Crossing retail district in the downtown core of Boston, Massachusetts. It is served by the Orange Line and Red Line, and is one of four "hub stations" on the MBTA subway system. Downtown Crossing is also a major bus transfer location serving 13 MBTA bus routes, including one Silver Line route. It is the second busiest subway station in the MBTA network, with an average of 24,074 entries per weekday in FY2019.
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.
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.
Fields Corner station is a rapid transit station on the Ashmont branch of the Massachusetts Bay Transportation Authority (MBTA) Red Line, located in the Fields Corner district of Dorchester, Boston, Massachusetts. It is a major transfer point for MBTA bus service, serving routes 15, 17, 18, 19, 201, 202, and 210. The station opened in 1927 and was completely rebuilt from 2004 to 2008, making it fully accessible.
Ashmont station is a Massachusetts Bay Transportation Authority (MBTA) intermodal transit station located at Peabody Square in the Dorchester neighborhood of Boston, Massachusetts. It is the southern terminus of the Ashmont branch of the rapid transit Red Line, the northern terminus of the connecting light rail Ashmont–Mattapan High-Speed Line, and a major terminal for MBTA bus service. Ashmont has two side platforms serving the below-grade Red Line and a single side platform on an elevated balloon loop for the Mattapan Line. The station is fully accessible for all modes.
Mattapan station is an MBTA light rail station in Boston, Massachusetts. It is the southern terminus of the Ashmont–Mattapan High-Speed Line, part of the Red Line, and is also an important MBTA bus transfer station, with eight routes terminating there. It is located at Mattapan Square in the Mattapan neighborhood. At the station, streetcars use a balloon loop to reverse direction back to Ashmont station. Mattapan station is fully accessible, with mini-high platforms.
Bowdoin station is a Massachusetts Bay Transportation Authority (MBTA) rapid transit station in Bowdoin Square in Boston, Massachusetts. The station is the downtown terminus of the Blue Line, part of the MBTA subway system. It has a single wedge-shaped island platform located inside a balloon loop. Bowdoin is the only Blue Line station that is not accessible.
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.
Savin Hill station is a rapid transit station in Boston, Massachusetts. It serves the Ashmont branch of the MBTA's Red Line. It is located at 121 Savin Hill Avenue adjacent to Sydney Street in the Savin Hill area of the Dorchester neighborhood. Opened in 1845 as a commuter rail station, Savin Hill was converted to rapid transit in 1927 and rebuilt in 2004–05 for accessibility. Averaging 2,199 daily boardings by a FY 2019 count, Savin Hill is the least-used station on the Red Line.
Broadway station is a subway station in Boston, Massachusetts. It serves the MBTA's Red Line. It is located at the intersection of Dorchester Avenue and Broadway in South Boston. It was opened on December 15, 1917, as part of the Dorchester Extension from Downtown Crossing to Andrew. The station has a single island platform to serve the two tracks.
The Massachusetts Bay Transportation Authority (MBTA) operates rapid transit, light rail, and bus rapid transit services in the Boston metropolitan area, collectively referred to as the rapid transit, subway, or the T system.
Shawmut station is a subway station in Boston, Massachusetts. It serves the Ashmont branch of the MBTA's Red Line. It is located on Dayton Street in the Dorchester neighborhood. The station, the only underground station on the Red Line south of Andrew station, sits in a shallow cut-and-cover subway tunnel that runs from Park Street south to Peabody Square where it surfaces at Ashmont station. Shawmut opened along with Ashmont on September 1, 1928, as part of a southward extension of the Cambridge–Dorchester line.
Uphams Corner station is an MBTA Commuter Rail station in Boston, Massachusetts. It serves the Fairmount Line. It is located on Dudley Street in the Uphams Corner area of the Dorchester neighborhood. It was reopened in 1979 after the line had been closed for 35 years. The station is fully accessible with two full-length high-level platforms and ramps to the street, which were added during a construction project that finished in 2007.
Butler station is a light rail station in Boston, Massachusetts. It serves the MBTA Ashmont–Mattapan High-Speed Line. It is located at Butler Street in the Lower Mills section of the Dorchester neighborhood. It serves a small residential area sandwiched between the Neponset River, Cedar Grove Cemetery, and Dorchester Park. Butler station has no MBTA bus connections. It is accessible via a wooden mini-high ramp on the station's single island platform.
Talbot Avenue station is an MBTA Commuter Rail station in Boston, Massachusetts. It serves the Fairmount Line. It is located near Codman Square in the Dorchester neighborhood. The station includes two full-length high-level platforms located north of Talbot Avenue, which are also accessible from Park Street and West Park Street. The station opened on November 12, 2012 as the first of four new stations on the Fairmount Line. Talbot Avenue was the first completely new rail station to open in the City of Boston since Yawkey opened in 1988.
