Charles/MGH station

Charles/MGH station

Company type	Rapid transit station
Industry	Public transportation
Founded	February 27, 1932 (1932-02-27)
Headquarters	Boston , United States
Products	Subway services (MBTA Red Line)

Charles/MGH station serves as a rapid transit stop on the MBTA Red Line, positioned above Charles Circle at the eastern terminus of the Longfellow Bridge within Boston’s West End district. Taking its name from both Charles Circle and the nearby Massachusetts General Hospital (MGH) campus, the station comprises two side platforms and a glass-enclosed headhouse located inside Charles Circle. It is fully accessible to all passengers.

The Cambridge subway began operation in 1912, with initial plans for an infill station at Charles Street emerging in 1924. Construction was delayed but eventually commenced in 1931, culminating in the opening of an Art Deco station on February 27, 1932. This original design included a cast stone headhouse and copper-clad platforms. In 1961, the pedestrian tunnel was replaced by footbridges. The station was renamed Charles/MGH in 1973 and later underwent renovations from 2003 to 2007 to improve accessibility; this included replacing the original entrance with a modern glass structure. A future project, the Red Blue Connector, proposes extending the Blue Line to Charles/MGH by adding an underground platform level.

Station design

Located at Charles Circle, Charles/MGH station serves the West End and Beacon Hill neighborhoods. The station occupies a brief elevated section that links the tracks spanning the Longfellow Bridge to the west with a slope descending into the Beacon Hill Tunnel on the east side. The two elevated side platforms sit roughly above ground level and extend westward from Charles Circle onto the eastern end of the Longfellow Bridge.

At their eastern extremities, these platforms broaden into corridors that provide access to elevators, escalators, and stairways leading down to a fare lobby situated at street level in the center of Charles Circle. The entrance is positioned on the lobby’s western side underneath the tracks, with crosswalks connecting to sidewalks along Cambridge Street. Both the fare lobby and passageways are distinguished by a curved glass facade shaped like a teardrop, while most platform sections are shielded by windscreens made of aged copper.

Opening

The Boston Elevated Railway (BERy) inaugurated its Cambridge Subway segment from Park Street Under to Harvard on March 23, 1912. This line crossed the Charles River via the median of the Longfellow Bridge. To expedite travel times, no station was initially built just outside downtown Boston along this extension. Although Bowdoin opened in 1916 as part of an extension of the East Boston Tunnel, much of Boston’s West End and Beacon Hill neighborhoods remained without convenient subway access.

On June 2, 1924, legislation empowered the state Department of Public Utilities (DPU) to construct an infill station at Charles Street. Following a Boston Transit Department (BTD) study in 1924, responsibility for this project was assigned to BTD in January 1925. The study also examined extending the East Boston Tunnel to Charles Street to facilitate transfers. However, progress stalled in 1926 because the legislature’s $600,000 allocation only covered platforms suitable for four-car trains, whereas BERy insisted on six-car platforms costing $850,000 to accommodate future demand.

Despite lobbying efforts from nearby Massachusetts General Hospital, no additional funds were approved in 1927, which also postponed plans for a traffic circle at this junction.

Momentum resumed in 1930 when BERy and BTD agreed on building a $350,000 station with four-car platforms positioned on straight track west of Charles Street to minimize expenses. By July 1930, design plans were finalized, bidding commenced in July 1931, and by November construction had completed Charles Circle along with the steel framework for the station. Charles station officially opened its doors on February 27, 1932. Bus routes connected Bowdoin Square–Park Square and Charles–Massachusetts stations; meanwhile, a Kendall Square–Bowdoin service was discontinued upon opening.

The three-story headhouse was designed by H. Parker from Richard Clipston Sturgis’s firm, featuring steel framing clad with cast stone over an area of . The first floor exhibited a rough texture while upper levels displayed smooth surfaces adorned with Art Deco and Art Moderne motifs such as pilasters and chevron panels. Platforms were equipped with copper windscreens reflecting Art Deco styling. A north-south pedestrian underpass ran beneath the traffic circle with stair access to the entrance. Public demand led to adding a southern extension to what was initially planned as only a northern underpass. A proposed fourteen-story Art Deco tower designed by H. F. Kellogg above the station was never realized.

Modifications and the MBTA

In 1961, the pedestrian underpass was substituted with two footbridges, one of which extended from the south side to both sides of Charles Street. The station’s second floor was transformed into a fare mezzanine with a low ceiling beneath the tracks, necessitating openings in the walls to accommodate the footbridges. Approximately half of those using the footbridges chose to cross the circle directly rather than enter the station, leading to congestion within the mezzanine.

On January 13, 1961, the Metropolitan Transit Authority (MTA) launched a "modified express service" during morning peak hours, where alternate trains bypassed Charles and three other stations; this approach had previously been implemented on the Forest Hills–Everett line. The skip-stop system was discontinued in September 1961 to minimize waiting times at the stations that were skipped, most of which were exposed to outdoor elements. In 1964, the Massachusetts Bay Transportation Authority (MBTA) succeeded the MTA, and by 1965, this route was officially named the Red Line.

The final bus route serving the station—a Back Bay–Downtown circulator—ceased operations in June 1971. In December 1973, the station was renamed Charles/MGH to reflect its proximity to Massachusetts General Hospital. On August 1, 1975, a collision involving three southbound trains occurred inside Beacon Hill Tunnel just south of Charles/MGH station, resulting in injuries to 132 passengers. In 1982, platform extensions were constructed westward to accommodate six-car trains, which began running in 1988. Surveys conducted in 1984 and again in 1987 concluded that the station did not qualify for inclusion on the National Register of Historic Places.

Reconstruction

Throughout the 1980s and 1990s, the MBTA undertook accessibility upgrades across most Red Line stations, with planning for improvements at Charles/MGH commencing in the late 1990s. Although eligible for historic designation, the station was deteriorating: cast stone panels were cracked; water infiltration had caused rust and plaster damage; and overcrowding plagued the mezzanine. The platforms exhibited surface degradation; columns showed signs of corrosion; and paint was flaking. A design report from 2000 evaluated three alternatives and recommended constructing a new entrance at street level within the traffic circle.

In June 2003, a $34.4 million reconstruction project began at Charles/MGH as part of a broader $48.6 million initiative that included realigning Charles Circle. Temporary staircases to platforms were opened by May 2004; pedestrian bridges were dismantled and original headhouses demolished by July. A new glass entrance structure was erected slightly east of the original location. Copper enclosures on platforms were restored with updated interior finishes to maintain historic character.

The upgraded entrance became operational on February 17, 2007, completing full accessibility compliance at the station. In June of that year, public artwork created by community members from recycled materials was installed. Although these renovations rendered the station ineligible for National Register listing, they earned recognition from the Massachusetts Architectural Access Board with an "Honor Award" in 2009.

Design efforts resumed in October 2019 focused on rehabilitating viaduct spans and platforms, incorporating plans for a new accessible entrance west of the existing headhouse. However, by July 2024, project design was halted at approximately 30% completion due to funding constraints for construction. The MBTA also intends to reduce excessive vertical gaps between train cars and platforms as part of ongoing accessibility enhancements.

Proposed Blue Line Link

The Red–Blue connector envisions an extension of the Blue Line heading westward beneath Cambridge Street, enabling a seamless transfer between the Red and Blue lines. This concept was first introduced in 1924 and later reemerged in the 1978 Program for Mass Transportation. In 1991, the state pledged to complete the project by 2011 as part of a settlement addressing Big Dig vehicle emissions; however, by 2007–08, the commitment was scaled back to design efforts only, and ultimately the project was abandoned in 2015.

The initial 1986 design proposed constructing a cut-and-cover tunnel west from Bowdoin station, featuring an underground stub-end terminal linking to Charles/MGH station. Three configurations for the Blue Line at Charles/MGH were evaluated: a three-track terminal with two island platforms; a two-track terminal with a single island platform accompanied by pocket tracks; and a three-track terminal combining one island platform with pocket tracks, where one track would not be used for passenger service. The 2010 Draft Environmental Impact Report recommended a shift to deeper tunnels excavated by tunnel boring machine (TBM), suggesting a single island platform at Charles/MGH with extended tail tracks.

This station design was reaffirmed in a 2018 update. In April 2019, MBTA allocated $15 million toward connector design as part of its five-year capital investment plan. By April 2021, Massachusetts General Hospital unveiled expansion plans that include reserved space for a new headhouse located near North Anderson Street along Cambridge Street. Conceptual designs developed by MBTA between 2020 and 2021 preserved the station layout while incorporating the proposed MGH entrance. Alternative proposals explored options such as a below-grade fare mezzanine serving both lines and relocating the Blue Line platform north of Charles Circle. Construction is anticipated to take place between 2025 and 2030.