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The Brooklyn Bridge, Williamsburg Bridge, George Washington Bridge, and Verrazzano-Narrows Bridge were the world's longest suspension bridges when opened in 1883, [2] 1903, [3] 1931, [4] and 1964 [5] respectively. There are 789 bridges and tunnels in New York.
New York State, United States 137,000 m (85.128 mi) 1945 4.1 m in diameter (13.2 m 2). New York City's main water supply tunnel. Water supply Päijänne Water Tunnel: Southern Finland, Finland 120,000 m (74.565 mi) 1982 16 m 2 cross section. Main water supply tunnel for the Helsinki metropolitan area in southern Finland, drilled through solid rock.
Since the Brooklyn–Manhattan tunnel project would take longer, it and other New York City highway projects were ineligible for PWA funding. [47] In January 1936, the New York State Legislature created the New York City Tunnel Authority to oversee the construction of a tunnel between Midtown Manhattan and Queens.
New York City Subway tunnels: Fort George Tunnel, IRT Broadway–Seventh Avenue Line (1 train), 2 miles of rock tunnel from 157th Street to Dyckman Street, the second-longest two-track tunnel in the country (after the Hoosac Tunnel) when completed in 1906. 14th Street Tunnel, BMT Canarsie Line (L train) under East River between Manhattan and ...
The aqueduct was constructed between 1939 and 1945, and carries approximately half of New York City's water supply of 1.3 billion US gallons (4,900,000 m 3) per day. At 13.5 feet (4.1 m) wide and 85 miles (137 km) long, the Delaware Aqueduct is the world's longest tunnel. [1]
The tunnel will serve as a backup to Water Tunnel No. 1, completed in 1917, and Water Tunnel No. 2, completed in 1936. [1] Water Tunnel No. 3 is the largest capital construction project in New York City history. [2] Construction began in 1970. [3]
The Cobble Hill Tunnel (also known as the Atlantic Avenue Tunnel) is an abandoned Long Island Rail Road (LIRR) tunnel beneath Atlantic Avenue in Brooklyn, New York City, running through the neighborhoods of Downtown Brooklyn and Cobble Hill. When open, it ran for about 2,517 feet (767 m) between Columbia Street and Boerum Place. [2]
The longest underwater road tunnel in the world Arlberg: Austria (Vorarlberg - Tyrol) 13.972 km (8.7 mi) 1978 1 S16/E60 "World's longest tunnel" 1979 - 1980: Xishan Tunnel: China 13.654 km (8.5 mi) 2012 [25] 2 S56 Shanxi Taiyuan-Gujiao Expressway Left tube：13.654 m, right tube：13.570 m New Erlangshan Tunnel [26] China