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Boylston Street Portal
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 (after the City and South London Railway in 1890, and the Budapest Metro's Line 1 in 1896), 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. History The tunnel originally served five closely spaced stations: Boylston, Park Street, Scollay Square, Adams Square, and Haymarket, with branches to the Public Garden portal and Pleasant Street incline south of Boylston. Park Street, Scollay Square, and Haymarket stations were altered over the next two decades as transfers were added to the Cambridge–Dorchester sub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flying Junction
A flying junction or flyover is a railway junction at which one or more diverging or converging tracks in a multiple-track route cross other tracks on the route by bridge to avoid conflict with other train movements. A more technical term is "grade-separated junction". A burrowing junction or dive-under occurs where the diverging line passes below the main line. The alternative to grade separation is a level junction or flat junction, where tracks cross at grade, and conflicting routes must be protected by interlocked signals. Complexity Simple flying junctions may have a single track pass over or under other tracks to avoid conflict, while complex flying junctions may have an elaborate infrastructure to allow multiple routings without trains coming into conflict, in the manner of a highway stack interchange. Flying junction without crossings Where two lines each of two tracks merge with a flying junction, they can become a four-track railway together, the tracks paired by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Government Center Station (MBTA)
Government Center station is an MBTA subway station in Boston, Massachusetts. It is located at the intersection of Tremont, Court and Cambridge Streets in the Government Center area. It is a transfer point between the light rail Green Line and the rapid transit Blue Line. With the Green Line platform having opened in 1898, the station is the third-oldest operating subway station (and the second-oldest of the quartet of "hub stations") in the MBTA system; only Park Street and Boylston are older. The station previously served Scollay Square before its demolition for the creation of Boston City Hall Plaza. The station was closed on March 22, 2014 for a major renovation, which included retrofitting the station for accessibility and building a new glass headhouse on City Hall Plaza. The new fully accessible station was reopened on March 21, 2016. History Scollay Square As the first horsecar lines were built in the late 1850s, the Scollay Building in Scollay Square became the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boston City Hall
Boston City Hall is the seat of city government of Boston, Massachusetts. It includes the offices of the mayor of Boston and the Boston City Council. The current hall was built in 1968 to assume the functions of the Old City Hall. It is a controversial and prominent example of Brutalist architecture, part of the modernist movement. It was designed by the architecture firms Kallmann McKinnell & Knowles and Campbell, Aldrich & Nulty, with LeMessurier Consultants as engineers. Together with the surrounding plaza, City Hall is part of the Government Center complex. This project constituted a major urban redesign effort in the 1960s, as Boston demolished an area of substandard housing and businesses. The building has been subject to widespread public condemnation, and is sometimes called one of the world's ugliest buildings. Calls for the structure to be demolished have been regularly made even before construction was finished. Architects and critics considered it to be excellent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Government Center, Boston, Massachusetts
Government Center is an area in downtown Boston, centered on City Hall Plaza. Formerly the site of Scollay Square, it is now the location of Boston City Hall, courthouses, state and federal office buildings, and a major MBTA subway station, also called Government Center. Its development was controversial, as the project displaced thousands of residents and razed several hundred homes and businesses. Controversial in design since before it was completed, the use of Brutalist architecture for its main buildings, as well as the open brick-and-concrete plaza at the center of the development, have been alternately praised for its innovative design, and scorned for its lack of character and uninviting appearance. After decades of calls for a redesign to make it more friendly and usable, a major rebuild of City Hall Plaza, the main public space of Government Center, was begun in 2020 and is to include additional seating areas, play spaces for children, and space for public art. Hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Washington Street Tunnel (Boston)
The Orange 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 on the surface from Oak Grove station in Malden, Massachusetts through Malden and Medford, Massachusetts, Medford, paralleling the Haverhill Line, then crosses the Mystic River on a bridge into Somerville, Massachusetts, Somerville, then into Charlestown, Boston, Charlestown. It passes under the Charles River and runs through Downtown Boston in the Washington Street Tunnel. The line returns to the surface in the South End, Boston, South End, then follows the Southwest Corridor (Boston), Southwest Corridor southwest in a cut through Roxbury, Massachusetts, Roxbury and Jamaica Plain, Massachusetts, Jamaica Plain to Forest Hills station (MBTA), Forest Hills station. The Orange Line operates during normal MBTA service hours (all times except late nights) with six-car trains. A 120-car fleet built in 1979–1981 is being replac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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