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The Dual Contracts, signed in 1913, provided for the expansion of the subway system; as part of the Dual Contracts, a new H-shaped system was placed in service in 1918, splitting the original line into several segments. Most of the original IRT continues to operate as part of the New York City Subway, but several stations have been closed.
The PSC was responsible for new rapid transit lines in New York City. Although the PSC had created ambitious plans for the expansion of the city's subway system, they only had $200 million on hand. [5] In 1911, George McAneny was appointed leader of the Transit Committee of the New York City Board of Estimate, which oversaw the subway expansion ...
The system currently uses automatic block signaling with fixed wayside signals and automatic train stops to provide safe train operation across the whole system. [219] The New York City Subway system has, for the most part, used block signaling since its first line opened, and many portions of the current signaling system were installed between ...
The New York City Subway is a heavy-rail public transit system serving four of the five boroughs of New York City. The present New York City Subway system inherited the systems of the Interborough Rapid Transit Company (IRT), Brooklyn–Manhattan Transit Corporation (BMT), and the Independent Subway System (IND). New York City has owned the IND ...
NYC Health + Hospitals, officially the New York City Health and Hospitals Corporation (HHC), operates the public hospitals and clinics in New York City as a public benefit corporation. HHC was created in 1969 by the New York State Legislature as a public benefit corporation. [1] It is similar to a municipal agency, but has a board of directors.
In 1998, a large portion of the New York City Subway system was nominated for addition to the National Register of Historic Places. The nomination encompassed 48 stations, 11 electrical substations, six signal towers, four station head houses, three buildings in storage yards, and one tunnel. The MTA supported the listing, which would increase ...
The New York City Subway system differs from other railroad chaining systems in that it uses the engineer's chain of 100 feet (30.48 m) rather than the surveyor's chain of 66 feet (20.12 m). Chaining is used in the New York City Subway system in conjunction with train radios, in order to ascertain a train's location on a given line. [33]
The IRT Powerhouse An old IRT sign remains at Wall Street station.. The Interborough Rapid Transit Company (IRT) was the private operator of New York City's original underground subway line that opened in 1904, as well as earlier elevated railways and additional rapid transit lines in New York City. [2]