In fact, many of the longest tunnels on this list exist to carry water, and may also be known as aqueducts. Norway ( Lærdal - Aurland ) Operations during the construction of Laerdal tunnel was divided into four main phases: drilling, blasting, loading and transport and excavating and landscaping. The Thomas P. O’Neill, Jr. With a route length of 57.09 km (35.5 mi), it is the world’s longest and deepest traffic tunnel and the first flat, low-level route through the Alps. Part of the, Longest tunnel on the upgraded dual-track, 11.5 ft (3.5 m) to 14 ft (4.3 m) diameter (15m. Longest Railway Tunnels of India: Pir Panjal Tunnel – 11.2 km. Only continuous tunnels are included. The deepest transportation tunnel in China, Jinkang Hydroelectric Power Station Water Tunnel, Pandaoling Tunnel, Datong River Diversion to Shaanxi Project, Longest railway tunnel in Denmark and Scandinavia. Northern section of the line is in operation since 2009-12-13. Lingyuan Iron supplied 4,360t … Shutting it down will deprive the city nearly half of its water supply. World's longest road tunnels in use. The railway tunnel is also the deepest in the world with depths reaching 8,000 feet. The tunnel is 1.5 miles in length, and 4 lanes in width. Construction of the tunnel began in October 1996 and was completed in March 2010 at the cost of more than $15 billion. It is located just over an hour from the big city of Anchorage, by heading south on the Scenic Seward Highway. Switzerland ( Alps ) 57.104 km (35.5 mi) & 57.017 km (35.4 mi), 2 tubes. The Gotthard Base Tunnel is located in Switzerland. Longest railway tunnel until Seikan Tunnel was opened. Transfers water from, Pahang – Selangor Raw Water Transfer Project, Longest rapid transit line in South East Asia, #1 Tunnel, Yellow River Diversion to Shanxi North Line, #7 Tunnel, Yellow River Diversion to Shanxi South Line, Longest railway tunnel 1978–1984 and from November 1987 till March 1988; longest metro/rapid transit tunnel 1990–1995, Dawushan Tunnel, Niulan River Diversion to Dianchi, Longest land railway tunnel until Gotthard Base Tunnel was opened; two single track tubes along 12 km, only single track along 22 km. John H. Bankhead Tunnel, a 3,389-foot-long (1,033 m) road tunnel, US 98 under the Mobile River in Mobile. 10 Of The Nation’s Longest Tunnels. Already in use; at completion it will be the world's third longest tunnel. Earlier this week, the new longest tunnel in the world was completed. Tunnel construction began in November 2002. A tunnel may be used as a foot passage or for vehicles, trains, or as a canal. #5 Tunnel, Yellow River Diversion to Shanxi South Line, Xinma Hydroelectric Power Station Water Tunnel. A $1 billion project was initiated in 2013 to repair the leaks. Longest transit tunnel until Simplon Tunnel was opened. All maps, graphics, flags, photos and original descriptions © 2021 worldatlas.com. The longest tunnel in Pennsylvania, for example, dates back decades and only earned the title of the longest tunnel after another popular tunnel permanently closed. Tubes. The Delaware Aqueduct is the name of a water tunnel in New York City. The tunnel went through extensive renovation in 2008 with the southern part of the tunnel reinforced to avoid curve-ins. According to this list, the longest tunnel (in use) in the world is the Delaware Aqueduct located in New York, United States with a length of 85.1 miles (137km). The drive through this tunnel takes a total of twenty minutes. World's longest tunnels (under construction), World's longest tunnels (advanced planning stage), Tokyo Metropolitan Bureau of Transportation, Orange Line (Fu Jen University - Nanshijiao), Stockholm Metro: Tunnelbana 3 (Blue Line), MTR - Island Line (West of Heng Fa Chuen), "Dahuofang Water Tunnel | The Robbins Company", "Project data – raw construction Gotthard Base Tunnel", "Štolový vodovodní přivaděč z vodní nádrže Želivka do Prahy", "Korea completes record setting rail excavation", "Гидроспецпроект/Arpa-Sevan connecting tunnel", "This Week In Armenian History: Inauguration of the Arpa-Sevan Tunnel (March 21, 1981)", "Pahang Selangor Raw Water Tunnel | The Robbins Company", "Laman Web Rasmi Kementerian Tenaga, Teknologi Hijau dan Air", "History of Geologic Investigations, Engineering Design, and Construction Methods of the Harold D. 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