How deep is the average subway?

Subway water tunnels are built approximately 30 feet below the riverbed. Because of the immense pressure exerted by 30 feet of rock, sand, and silt, plus 50 feet of water, such tunnels were in danger of collapsing.



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Within the city, too, the tunnels are deeply buried—for instance, 500 feet below the streets of Manhattan's West Side—because it is easier to connect to the water mains with vertical risers than to go wandering around through all the complications that lie closer to the surface.

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Nicholas Avenue and 191st Street in the Washington Heights section of Manhattan, it is served by the 1 train at all times. It is the deepest station in the New York City Subway system at about 173 feet (53 m) below street level.

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In 1998, TriMet built the Washington Park MAX Station, which is the deepest transit station in North America at 260 feet below ground, as part of our Red Line. “Washington Park also is the only underground station in the entire MAX system.”

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The Oldest Subways in the World
  • London Underground History (1863) – the oldest tube line. ...
  • The Istanbul Tunnel (1875) ...
  • Chicago 'L' (1892) ...
  • Glasgow Circular Underground (1896) ...
  • Budapest's historic metro line (1896) ...
  • The Paris Metropolitain (1900) ...
  • The Berlin U-Bahn (1902) ...
  • New York, the subway that never closes (1904)


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The Shanghai Metro is the world's longest metro network at 803 kilometres (499 mi) and has the highest annual ridership at 2.83 billion trips. The New York City Subway has the greatest number of stations with 472.

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New York City Subway It is the most complex network in the world with 472 active stations serving 27 subway lines. Until 1940, no official map of the subway system existed. The most influential map was made by graphic designer Massimo Vignelli in 1972.

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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.

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Derinkuyu, Cappadocia, Turkey Cappadocia city, located in central Turkey, is home to no less than 36 underground cities, and at a depth of approx. 85 m, Derinkuyu is the deepest.

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In addition to the 665 miles of active subway tracks running beneath the city, the concrete hides an entire world of secret tunnels and subterranean spaces. If you dare to venture where the sun doesn't shine, some of these hidden worlds are open to explore on guided tours. Why does New York City have secret tunnels?

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“The first infrastructures of this type were built at the end of the 19th century, and at present there are nearly 200 underwater tunnels built worldwide. Although some are used for water and electricity supply, most are used to house road or rail connections.

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The Atlantic Avenue Tunnel is officially the world's oldest subway tunnel. This tunnel was built in 1844 beneath a busy street in the City of Brooklyn (Brooklyn did not become part of NYC until a half-century later). The Atlantic Avenue Tunnel is a half-mile long and accommodated two standard gauge railroad tracks.

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Upon the opening of Line M2, Lausanne replaced Rennes, France as the smallest city in the world to have a full metro system.

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The Carmelit is the smallest subway system in the world, having only four cars, six stations and a single tunnel 1.8 km (1.1 mi) long.

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In the United States the first practical subway line was constructed in Boston between 1895 and 1897. It was 1.5 miles (2.4 km) long and at first used trolley streetcars, or tramcars.

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Our number one metro overall? The Seoul Subway in South Korea topped the list. The overall ranking takes into account every element of our study - so that includes the number of stations with step-free access, the price of a ticket and the age of the system (amongst many others).

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The depth is attributed to the geography of Kyiv, whose high bank of the Dnieper River rises above the rest of the city.

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What is the cheapest metro in the world? The Pyongyang Metro is the cheapest in the world.

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Completed in the 1960s when Ukraine was part of the Soviet Union, it includes stations built deep underground, designed to double as bomb shelters in the event of an enemy attack. Kyiv's Arsenalna station is considered to be the deepest in the world, located 346 ft (105.5 m) below ground.

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