Sullivan Square station
| Company type | Rapid transit station |
|---|---|
| Industry | Public transportation |
| Founded | 1901 (original elevated station) |
| Headquarters | Boston, Massachusetts , United States |
| Products | Orange Line subway service, MBTA bus services |
Sullivan Square station is a rapid transit facility on the MBTA subway Orange Line, situated next to Sullivan Square within Boston's Charlestown district. It acts as a vital interchange point for various MBTA bus lines, incorporating a dual-level busway system. The station includes two island platforms that accommodate two operational Orange Line tracks alongside a third track that remains inactive. Although the Haverhill Line and Newburyport/Rockport Line commuter rail services run through the area on separate rails, they do not stop at this station.
Rail service through Sullivan Square was initiated by the Boston and Maine Railroad (B&M) in 1845, with the Eastern Railroad commencing operations there in 1854; both companies maintained stations at this location. Following B&M's acquisition of Eastern in 1885, these stations were merged during a grade crossing elimination effort finalized in 1901. Commuter rail service continued at this site until 1958. The Boston Elevated Railway launched the original elevated Sullivan Square station in June 1901, establishing it as the northern endpoint of the Charlestown Elevated, which supported numerous streetcar and elevated train lines.
The existing station began operations in May 1975 as part of the Haymarket North Extension, supplanting the Charlestown Elevated; the former terminal was dismantled in 1976. Accessibility upgrades were implemented during the 1990s, with further busway modifications completed between 2018 and 2019 to enhance transit connectivity.
Station layout
Positioned within an open cut beneath the Interstate 93 overpass just west of the Sullivan Square traffic circle, Sullivan Square station encompasses seven tracks: two freight yard tracks (Yard 21, known as 3rd Iron and 4th Iron) located on the west side; three central tracks dedicated to the Orange Line rapid transit; and two eastern tracks utilized by MBTA Commuter Rail services on the Haverhill Line and Newburyport/Rockport Line. Only the western (southbound) and central (northbound) Orange Line tracks are used for passenger service, while the eastern track—originally intended for express trains—is reserved for maintenance and testing purposes. Two island platforms are positioned between the Orange Line tracks: the western platform accommodates trains traveling in both directions, whereas the eastern platform serves solely northbound trains.
The platforms exhibit a "utilitarian" concrete aesthetic comparable to that of Community College station. A mezzanine level and fare lobby situated above the tracks provide access to platforms via stairs, escalators, and elevators. The main entrance is located on the east side at the upper tier of the two-level busway. Adjacent to the busways on the east side lies a surface parking area.
The busway comprises two lanes on its lower level and one lane above, with a connecting passage beneath the upper busway allowing movement between outside access points and the lower busway. Sullivan Square operates as a significant terminal for MBTA bus services, accommodating numerous routes.
Railroad stations
The Boston and Maine Railroad (B&M) inaugurated its mainline segment west of Sullivan Square on July 1, 1845. Subsequently, the adjacent Grand Junction Railroad and Depot Company commenced passenger operations on April 10, 1854, serving as the Eastern Railroad's Boston access point. Both railways established stations at Sullivan Square, which were referred to as Somerville or East Somerville, primarily catering to the nearby community of Somerville. By 1875, the B&M's station was situated north of Cambridge Street, while the Eastern's was located to the south. After acquiring the Eastern Railroad in 1885, B&M initially operated both existing stations.
The expansive grade crossing at Cambridge Street created significant safety hazards due to the high volume of 677 trains passing daily. The introduction of electric streetcars in 1895 necessitated detours to avoid this crossing. In October of that year, the Massachusetts Superior Court mandated the removal of grade crossings throughout Charlestown. Early proposals to eliminate crossings at Cambridge and Perkins Streets encountered opposition from local residents.
By mid-1900, construction commenced to elevate Cambridge Street above the railroad tracks via a bridge, while Perkins Street was severed and replaced with a pedestrian footbridge. As part of this infrastructure upgrade, B&M constructed a new East Somerville station positioned above the tracks on the north side of Cambridge Street. This facility featured two island platforms accessible through stairways connected to both the station building and footbridge. The station began serving suburban passengers by June 1901, with the bridge's completion following in July.
Due to a decline in short-distance ridership, the station building was closed in 1927 and subsequently demolished. By February 1932, with minimal daily train stops remaining, B&M successfully petitioned for permission to discontinue service at East Somerville station. Despite this, limited trains on both the Eastern Division and Western Division continued to serve the location. On April 18, 1958, B&M obtained authorization to implement substantial reductions in suburban commuter services, including shutting down branches and stations such as East Somerville. Consequently, both the Saugus Branch and mainline stations ceased operations on May 16, 1958.
Elevated station
The initial rapid transit facility at Sullivan Square commenced operations on June 10, 1901, as a segment of the Charlestown Elevated route, which later evolved into the contemporary Orange Line. Crafted by Alexander Wadsworth Longfellow Jr., this steel and brick edifice featured a polygonal footprint approximately square in size, crowned by a glass trainshed that covered an open interior space. It was regarded as one of the premier stations on the "El," comparable to a similar structure located at Dudley Square in Roxbury. Both the station and the surrounding square derive their name from James Sullivan, an early 19th-century Massachusetts Governor and the inaugural president of the Middlesex Canal Company.
Conceived as a key transfer point, Sullivan Square accommodated numerous streetcar routes terminating there to facilitate seamless cross-platform connections with elevated trains through ten stub-end tracks on the upper level; additional lines operated via a surface-level loop. Until May 4, 1912, Lexington and Boston Street Railway vehicles originating as far as Lowell terminated at Sullivan before being rerouted to Harvard station. Starting October 13, 1946, the upper-level streetcar loop underwent reconstruction to support new trackless trolley vehicles. Streetcar service persisted until the Fellsway Line transitioned to bus operation in December 1955.
Parking fees at Sullivan Square were introduced by the MTA on November 2, 1953. Over time, neglect and fire incidents caused damage to the station—most notably an upper-level blaze on November 1, 1967, and the destruction of a nearby rail bending workshop in January 1975. The Charlestown Elevated ceased service on April 4, 1975.
After closure, community leaders and preservation advocates explored options for converting the elevated station for commercial or recreational purposes. Although the MBTA awarded a $387,000 contract for demolishing the Charlestown Elevated in June 1975, demolition of Sullivan Square’s $76,000 portion was postponed to evaluate reuse proposals. Despite deadline extensions into November, demolition work commenced in March 1976. Presently, only the supports of the footbridge spanning the traffic circle remain from the original elevated structure.
Modern station
Constructed during the early 1970s along the Haverhill Line corridor, the Haymarket North Extension incorporated a relocated Sullivan Square station positioned beneath the elevated I-93 expressway. This extension opened up to Sullivan Square on April 7, 1975, where it served as a terminus until extended further on September 6, 1975.
A fire on January 20, 1984, destroyed wooden trestle approaches to the North Station drawbridges, necessitating commuter rail trains to operate from a temporary terminal near Lechmere station. To alleviate congestion on the Green Line by mid-February, Ipswich/Rockport Line trains were temporarily rerouted to a platform at Sullivan Square. North Station resumed normal operations on April 20, 1985.
Initially lacking accessibility accommodations, elevators were installed at both Sullivan and Wellington stations during 1991–92. In 2002, as part of its public art initiative, the MBTA added art panels created by local students at Sullivan Square and . The concrete walls lining the station’s trench frequently display large-scale graffiti artworks.
Between 2018 and 2019, roadway and busway modifications at Sullivan Square were undertaken with funding provided through environmental mitigation related to the Encore Boston Harbor casino project. These improvements included splitting the lower busway into two lanes, constructing a new exit onto Cambridge Street at its southern end, and implementing bus-only turn lanes along Beacham Street, Maffa Way, and Main Street. Repairs to platforms and canopies were contracted in 2018 and finalized by 2021. The entire Orange Line system—including Sullivan Square station—was closed from August 19 to September 18, 2022, for scheduled maintenance activities.
Future Developments
Sullivan Square was initially planned as a station on the Urban Ring, a proposed circumferential bus rapid transit (BRT) system designed to link existing MBTA rail lines and reduce congestion in the downtown area. Early 2008 proposals showed Urban Ring buses utilizing the current bus loop, alongside a newly constructed platform to serve the Haverhill and Newburyport/Rockport commuter rail services. However, this initiative was discontinued in 2010. More recently, in March 2024, the MBTA revealed intentions to extend the Silver Line route from to Sullivan Square via Everett Square.
In April 2020, a $10.5 million design contract was awarded to enhance accessibility at , , and Sullivan Square stations. The envisioned upgrades included installing three elevators—one dedicated to the lower busway—replacing existing elevators, and constructing two pedestrian bridges linking these facilities. By 2021, design progress reached approximately 30%, but the project scope was narrowed to focus solely on elevator replacements and the addition of the new busway elevator, with plans for footbridges and platform elevators removed. Although design completion was targeted for 2022, it experienced delays.
A municipal study conducted in 2013 advocated for development over the station’s parking areas and busways through air rights projects. The proposal included constructing parking garages, retail spaces, and possible commercial buildings with the objective of optimizing land utilization and creating additional revenue streams.