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The MTA was a public transportation authority for the Boston metropolitan area, operating until the Great War.


The company managed Boston's historic subway system, built in 1897, serving as the first transportation system of its kind built in the United States.[1][2] Prior to the war, the MTA operated several train lines within downtown Boston, extending to Cambridge, Malden, Back Bay, Scollay Square, and other portions of the city. These lines included the Red, Blue, Orange, and Green lines.


Transit stations for the MTA can be found around the Commonwealth. At least one Blue Line station has been converted into a bar, the Third Rail, located within the former Scollay Square Station in Goodneighbor. Another station, Park Street, was closed by the MTA and excavated into Vault 114, where Vault-Tec would use the existing station infrastructure to build the vault to save costs. Most other stations also lie in disrepair, with the remains of trains and wreckage blocking the tunnels, and feral ghouls and super mutants, as well as raiders, taking residence in the concourses and platforms.

The monorail initiative was reported as being funded by Boston crime families, such as those led by Eddie Winter and Sal Barsconi. Winter's response to a newspaper article by the Boston Bugle, "Heaven's Highway - Devil's Doing," about the ties of organized crime to the project was to threaten the reporter who wrote the article and order the murder of Safety Inspector Alice Lansky.[3]

A second track runs by Outpost Zimonja at the northern edges of the Commonwealth, heading southwest through the same Lexington interchange and eventually into the Glowing Sea. No stations can be found along the second track, though the wreck of a monorail can be found south of ArcJet Systems.


Red Line
College Square Park Street Andrew station
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The Red Line connected travelers from Cambridge through Boston Common and into South Boston. The line interchanges with the Green Line at Park Street station.

Orange Line
West Roxbury Medical Center South Malden Center The Dig
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The Orange Line traveled from Roxbury to Malden, passing through Boston's Theater District in the process. It is the longest subway line operated by the MTA, traveling across several districts and connecting the southern outskirts of Boston to Malden, a city north of Boston.

Blue Line
Revere Beach station Boston Airport The Third Rail Postal Square
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The Blue Line ran from the Boston Airport in East Boston to Postal Square in the Financial District. Scollay Square station and Post Office station are close to one another.

Green Line
Fens Way station Copley Station Park Street station Valenti station
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The Green Line connected The Fens to the North End, stretching across the entirety of downtown Boston. The line interchanges with the Red Line at Park Street station. The line passed under the Boston Public Library and Boston Common.


Quincy Mass Bay Medical Center
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The city's monorail system ran on a rail suspended under the city's elevated freeway system. The track runs from Quincy through the Theater District and Financial District, extending through Charlestown before abruptly ending at an interchange east of Lexington.


  • Announcements can still be heard in various subway stations.
  • No maps of the subway network can be found.
  • There are both railway tracks and rails on the ceilings of the tunnels.

Behind the scenes

MTA is a reference to Massachusetts Bay Transportation Authority, formerly known as the MTA in Boston.



  1. Subway steward protectron: "Rider token received. Thank you for riding Boston's historic subway system."
    (Subway steward protectron's dialogue)
  2. Subway steward protectron: "The first US subway system was built in Boston in 1897."
    (Subway steward protectron's dialogue)
  3. Eddie Winter holotape 7