South Station is a railroad terminal located atDewey Square in downtownBoston,Massachusetts. It is the busiest railroad station inGreater Boston and the second-busiest transportation facility. It isNew England's second-largest transportation center afterLogan International Airport.[6] Along withNorth Station, it is one of two Boston terminals for theMBTA Commuter Rail system andAmtrak intercity rail service. South Station is a majorintermodal transit hub; theSouth Station Bus Terminal is located above the platforms, and the adjacentsubway station is served by theRed Line andSilver Line of theMBTA subway system.
Four terminals were built near downtown Boston in the 19th century to serve railroads running south and west from Boston. South Station was constructed in 1899 to replace these terminals with aunion station. TheClassical Revival structure was designed byShepley, Rutan and Coolidge. Passenger rail service declined during the 20th century; the bankrupt railroads sold the station to theBoston Redevelopment Authority (BRA) in 1965. Portions of the station were demolished for redevelopment. Plans to demolish and redevelop the remaining section fell through; it was added to theNational Register of Historic Places in 1975 asSouth Station Headhouse.
In 1978, the BRA sold what was left of the station to theMassachusetts Bay Transportation Authority (MBTA). A major renovation of the station, including the construction ofaccessible platforms, took place from 1984 to 1989. The bus terminal opened in 1995. The station was renamed for former Massachusetts governorMichael S. Dukakis in November 2014, officially becomingThe Governor Michael S. Dukakis Transportation Center at South Station, though maps and station signs continue to use the shorter "South Station".[7] TheSouth Station Tower was built onair rights over the station from 2020 to 2025; it included an arched waiting area and expansion of the bus terminal. Proposed changes to the station include an expansion eastward with additional tracks, and a new underground station as part of theNorth–South Rail Link.
South Station is located on the southeast corner ofAtlantic Avenue andSummer Street inDewey Square in the Financial District of Boston. The station building faces Dewey Square, with the tracks running southwest parallel to Atlantic Avenue. The terminal has 13 tracks served by sixisland platforms and oneside platform. It is the end point of theWorcester Main Line,Northeast Corridor,Dorchester Branch, andOld Colony mainline. The station building contains a waiting room, food court, ticket offices, and the Amtrak Metropolitan Lounge. South Station is fullyaccessible.
South Station is the downtown terminus for eightMBTA Commuter Rail services: theFramingham/Worcester Line,Needham Line,Franklin/Foxboro Line,Providence/Stoughton Line,Fairmount Line,Fall River/New Bedford Line,Kingston Line, andGreenbush Line. It is the Boston terminus for threeAmtrak intercity services:Acela,Northeast Regional, and the Boston section of theLake Shore Limited.
TheSouth Station Bus Terminal, Boston's intercity and commuter bus terminal, is located over the platforms. TheSouth Station subway station, located under Dewey Square, serves theRed Line andSilver Line (routesSL1,SL2,SL3,SLW) of theMBTA subway system. Silver Line routeSL5 and severalMBTA bus routes stop at street level.
The South Station head house and wings incorporateNeoclassical architecture. The building's symmetry and stone façade are common to the style. The granite came from nearby quarries in New England. The main doorways are located in a section that protrudes from the curving shape of the building. The doors are housed under tall arches that give the impression of grandeur while also making the building appear smaller from far away. This visual trick is common in classical buildings and is further amplified by the oversized windows and large balustrade on the third floor and roof.[8]
Above the doorways are classicalIonic order columns that ostensibly hold up the frieze and pediment. Uncommon for Ionic order columns is the lack offluting, which is usually used to draw the eye upward, increasing the grandeur of the facade. The numerous projections and recessions on the façade attribute to the planar quality of the building, while also creating interesting shading and lighting patterns on the stone and within the building.[8] Inside, acoffered ceiling adorns the terminal and protects travelers from the rain and snow.[8]
Constructed over 100 years ago, the clock on top of the main head house is the largest operating hand-wound clock mechanism in New England. The clock is styled after London'sBig Ben, and has a 12-foot (3.7 m) wide face. The mechanism weighs over 400 pounds (180 kg). In 2008, the clock was restored. It was disassembled and fitted with hand-made replacement parts. The classically styled stone eagle that sits atop the clock is 8 feet (2.4 m) wide and weighs over eight tons.[9]
The curved shape of the building facade pushes its presence into the surrounding area, making it much more prominent. This also gives the building a more distinctive and accessible main entrance from Atlantic Avenue, Summer Street, and Dewey Square. A similar concept is also seen in theSanta Maria della Pace in Rome, Italy. This church did not directly influence South Station, but the designs clearly share the same effects on the immediate area.[8]
Two works of public art, installed as part of theArts on the Line program, are located inside South Station:[10]
When the railroads serving Boston were first laid out and built, each one stopped at its own terminal. By the late 19th century, four terminals served railroads entering Boston from the south:
By the late 19th century, the New England, Old Colony, and Boston & Providence had been acquired by theNew York, New Haven and Hartford Railroad, while the B&A was acquired by theNew York Central Railroad. However, the four separate terminals remained. The Boston Terminal Company, established in 1897, was charged with the task of consolidating service from the four terminals at a single terminal (aunion station).
South Station opened in 1899 at a cost of $3.6 million (1899 dollars). The architects wereShepley, Rutan and Coolidge of Boston, and the construction was undertaken by the engineering firm of Westinghouse, Church, Kerr & Co. The station opened on January 1 for use by Old Colony Division and Midland Division trains, the latter of which had been using the Old Colony terminal since August 22, 1896 to allow for construction. B&A trains began using South Station on July 23, followed by Providence Division trains on September 10 (along with the opening ofBack Bay station).[13]
It became the busiest station in New England by 1913.[14] A stop on theAtlantic Avenue Elevated served South Station from 1901 to 1938; what is now the Red Line subway was extended fromPark Street to South Station in 1913. The train shed, originally one of the largest in the world, was eliminated in a 1930 renovation due tocorrosion caused by the nearby ocean's salt air.[15]
In the original configuration, two tracks came off each approach to join into a four-track line and then run under the main platforms in a two-track loop. These tracks were never put into service, and later became aparking lot andbowling alley for employees.[16]
While the station handled 125,000 passengers each day duringWorld War II, post-war passenger rail traffic declined in the US. In 1959, the New Haven's Old Colony Division–successor of the Old Colony Railroad–which had served the South Shore andCape Cod, stopped passenger service. The New Haven itself went bankrupt in 1961. South Station was sold to theBoston Redevelopment Authority (BRA) in 1965.[17] Portions of the station were demolished and the land was used to build the Boston South Postal Annex and the Stone and Webster building.
In the early 1970s, the BRA developed plans to demolish the rest of the station and replace it with a multi-use development including a new train station, a bus station, a parking garage, and commercial structures.[18] The plan was never realized, and South Station was added to theNational Register of Historic Places in 1975.[5][19]
In 1978, the BRA sold what was left of the station to the MBTA, though the BRA retained air rights over the station. Funding was obtained for a major renovation of the station that was completed in 1989. A total of 13 tracks became available, all with high level platforms and some capable of handling 12-car trains. Piers were installed for the eventual construction of an office building and bus station above the tracks. This renovation also added direct access to the Red Line subway station from inside the surface station lobby; previously, the only access was via street stairwells.[20] TheCentral Artery/Tunnel Project (Big Dig) occupied almost all of the building's office space beginning in July 1988.[21]
In 1988 the MBTA entered into a ground lease for the interior concourse and office space areas, transferring management of those spaces toBeacon South Station Associates. The lease split the revenue from the station between the MBTA and Beacon South Station Associates, in exchange Beacon financed the renovation and upkeep of the building.[22] Beacon South Station Associates was acquired byEQ Office in 1997, which was itself acquired by theBlackstone Group in 2007.
After some delays, an inter-city bus terminal opened in October 1995, replacing one on top of theI-93Dewey Square Tunnel diagonally across from the station between Summer Street and Congress Street. The new bus terminal has direct ramp connections to I-93 and theMassachusetts Turnpike. The renovations, including the bus terminal, cost $195 million in 2001 dollars.
In September 2017, theAshkenazy Acquisition Corporation, which also owned theFaneuil Hall Marketplace, purchased the 98-year lease on the office space and concourse areas of the station from the Blackstone Group for $123.2 million.[23][24][1][25] The MBTA began installation of fare gates for the commuter rail and Amtrak platforms in September 2025.[26] The fare gates were put in use on December 30, 2025.[27]
In August 2019, theFederal Railroad Administration awarded MassDOT up to $41.2 million to replace much of the Tower 1 interlocking outside South Station.[28] The remaining $41 million of the $82 million project will be funded by Amtrak and the MBTA.[29] As of January 2021[update], completion is expected in 2026.[30] Bidding for the $68.7 million main construction contract opened in September 2022.[31] The MBTA awarded the contract at a higher cost of $99 million in March 2023.[32][33]
When theBoston Redevelopment Authority sold South Station to the MBTA in 1977, the BRA retained theair rights over the tracks.[34] TheSouth Station Tower complex, which is being built on the air rights, will include a 51-story, 678-foot (207 m) skyscraper and an expansion of the bus terminal. Construction began in January 2020 and was expected to take four years.[34] The tower is being built on foundations put in place when the station was last renovated.[35] The project will include an expansion of the outdoor waiting area with a new arched roof, a roof covering the entire platform area, a new entrance from Dorchester Avenue, and a more direct connection to the bus terminal.[34]
As a major transfer station offering connections to multiple modes, South Station is expected to see additional passenger throughput as a result of system improvements and a general increase in ridership. The existing underground Red Line and Silver Line stations are adequate for the near future, but the surface-level commuter rail and Amtrak platforms are at capacity.
A proposed relocation of the Boston General Mail Facility, which is located on Dorchester Avenue next to the station tracks, would allow for increased capacity at South Station. Seven more tracks are planned to be added to the existing thirteen tracks, allowing increased use by both MBTA Commuter Rail and Amtrak trains.
In October 2010, the Commonwealth of Massachusetts was awarded a$32.5 million grant from the federal government to begin planning for this expansion.[36][37][38] After deliberations, a $43 million contract (including $10.5 million in state funds) was awarded in August 2012.[39] The planning project will advance the new station area, including a possible passenger mezzanine over the platforms, to the 30% design level. Other elements include a redesign of the South Stationinterlocking, new commuter rail layover facilities, and the restoration of public access to the adjacent section of Dorchester Avenue and the Fort Point Channel, filling in a missing half-mile segment of theBoston Harborwalk. The station expansion is intended to allow for increases in commuter rail service on theFairmount Line andFramingham/Worcester Line, addition ofSouth Coast Rail service, and increased Amtrak frequencies.[39]
As of October 2014, purchasing of the postal facility is in limbo, as the Postal Service is not willing to accept the amount offered by the state. Part of this deal would include moving the facility to South Boston, with MassPort taking some of the Post Office's parking lot located across Fort Point Channel.[40]
The Final Environmental Impact Report for the South Station Expansion Project was released on June 30, 2016. The project would begin with the demolition of the postal facility and take 5 years to complete.[41] The Massachusetts Executive Office of Energy and Environmental Affairs approved the FEIR on August 12, 2016.[42]
The South Station Expansion Project has been opposed by a number of transportation advocates, community groups, and environmental groups, many of which instead advocate building aNorth–South Rail Link (NSRL) through connection toNorth Station and points beyond, rather than expanding the dead-end storage capacity for trains at South Station.[43] Prominent NSRL supporters include former GovernorMichael S. Dukakis (Democrat) and former GovernorWilliam F. Weld (Republican), who have made joint public appearances regarding this issue. Based on their advocacy, MassDOT agreed to fund a $2 million study in February 2016.[44] The NSRL reevaluation report was released in June 2018. Its tunnel options included a four-track maximum-service plan, estimated to cost $21.5 billion and three double-track routes ranging in cost from $12.3 to 14.7 billion. South Station expansion was estimated to cost $4.7 billion. These costs are in 2018 dollars and include purchasing additional rolling stock, other required infrastructure improvements and a 3.5% annual inflation rate.[45]
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