Since the late 20th century, the Metropolitan Transportation Authority has started several projects to maintain and improve the New York City Subway. Some of these projects, such as subway line automa
53rd Street, an "enhanced" subway station
Cross-section of the first subway
For the first IRT subway line, pictured at 59th Street – Columbus Circle, cut-and-cover was used as a form of construction.
Recent projects, like the extension of the IRT Flushing Line (pictured) use tunnel boring machines to build the subway tunnels.
IND Queens Boulevard Line
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The IND Queens Boulevard Line, sometimes abbreviated as QBL, is a line of the B Division of the New York City Subway in Manhattan and Queens, New York City. The line, which is underground throughout i
39th Avenue Ventilation Complex on Northern Boulevard
Briarwood station police headquarters
Neighborhoods in Queens, such as Forest Hills (pictured), sprung up around the new subway.
Poster announcing the extension of service to 169th Street and the inauguration of express service on April 24, 1937.