”I’m delighted that construction of the world’s longest immersed tunnel is advancing,” said Claus F. Baunkjær, CEO of Femern A/S, the client organisation. It’s 1 tube, and is the longest road tunnel in the world. The proposal to connect Finland with Estonia via a 103km tunnel is part of the wider Rail Baltica scheme which will also connect to Latvia, Lithuania and Poland. Plans to build the world’s longest subsea rail tunnel are back on the table after a change of government in Estonia. The Gotthard Base Tunnel started in 2004, and … Zhongnanshan Tunnel. President Gotabaya Rajapaksa today (05) inaugurated construction work on a 28 km long 'Irrigation Tunnel' , which will be the longest irrigation tunnel in South Asia upon completion, at Palugaswewa, Anuradhapura. Up to 9 metres high and 43 metres wide, the 18 km long combined road and rail tunnel linking Germany and Denmark will foster trade and tourism in Northern Europe. It is 57 kilometres long and a technical masterpiece. The tunnel part of the highway stretches for nearly six miles (9.6km) and is one of the longest undersea tunnels in the world. The tunnel has overtaken Japan's 53.9km Seikan rail tunnel as the longest in the world and pushed the 50.5km Channel Tunnel linking the UK … Päijänne Water Tunnel is the second longest tunnel in the world. Delaware Aqueduct is the longest tunnel in the world at 85 miles long and 13.5 feet wide. The drive through this tunnel takes a total of twenty minutes. November 4, 2020. The Top 9 Longest Tunnels in the World. (For those who are interested, the longest TUNNEL in the world which people can go in is a Metro line in China which is 37.5 miles long!!!) At 24 kilometers or just over 15 miles in length, Norway's Lærdal Tunnel is the longest tunnel in the world. VERDICT Though it contains some unfamiliar geographic references, this eye-catching presentation of an engineering marvel is current. (CNN) — After more than a decade of planning, work has begun on the world's longest immersed tunnel. Some tunnels are used to supply water for consumption or hydro-power. 1. At 24.5 km (15.23 miles) long, the Lærdal Tunnel is the longest road tunnel in the world, meaning it’s the longest tunnel that you can drive through. "World's longest tunnel" 1965 - 1979: Gudvangen: Norway (Gudvangen - Flåm) 11.428 km (7.1 mi) 1991 1 E16: Yunshan Tunnel: China 11.408 km (7.1 mi) 2014 2 G2516 Dongyin-Luliang Expressway: Left tube: 11.408 m, right tube: 11.377 m Baojiashan Tunnel: China 11.200 km (7.0 mi) 2009 : … 3. The longest tunnel in the world is the Delaware Aqueduct (85.1 miles) which is the main water supply tunnel of New York City. It’s 2 tubes, and is the longest in-city road tunnel in the world. The Gotthard Base Tunnel is a railway tunnel through the Alps in Switzerland. The longest car tunnel in the world is Lærdal, which is 24.51 km in length. A trip through the Delaware Aqueduct Bypass Tunnel. Location: New York ... 2. The longest irrigation tunnel project comes under Phase 1 of the Main Canal Project of the North-Central Province. Watch later. It is a railway tunnel designed for mass transit. At 85 miles (137 km) long and 13.5 feet (4.1 m) wide, the Delaware Aqueduct is the world’s longest tunnel. It was constructed between 1939 and 1945 and supplies water from Rondout Reservoir to the Chelsea Pump Station before ending at Hillview Reservoir in Yonkers. This book is a timely addition to the market, as the high-tech Gotthard Pass Base Railway Tunnel opened on June 1, 2016—a world record 35 miles in length. On 1 January 2021, the Femern Link Contractors joint venture began work on the world's longest immersed tunnel, DEME reports. Both uses are highly sensitive to gradients. Pier Marco TaccaGetty Images Earlier this week, the new longest tunnel in the world was completed. The engineers who designed it understood how stressful traveling through Lærdal might be for some drivers. The aim of the project is to supply water to ‘Rajarata’ from Moragahakanda and … How Long is Lærdal Tunnel? Yamate Tunnel. It’s part of the C2, Shuto Expressway. It opened on 1 June 2016, and full service began on 11 December 2016. The new Gotthard Base Tunnel in Switzerland is now officially the longest tunnel in the world. The Delaware Aqueduct is the longest tunnel in the world. It is the longest underwater tunnel in the world at 33.5 miles. Until the opening of the Gotthard Base Tunnel in Switzerland, it was the deepest and longest rail tunnel on the planet. Descending up to 40 meters beneath the … Built in 2010-2015, the tunnel is located in Japan (Tokyo). Crews are now building the world’s longest underwater tunnel between Denmark and Germany. Here’s a look at the engineering marvel. Designed for mass transit, construction of the tunnel lasted nearly 50 years, spanning from 1971 until its official opening in March 2016. The underwater tunnel in the Tsugaru Strait links Japan’s main islands of Hokkaido and Honshu. It’s 18,200 km (11.5 mi) long. It's on the E16, just to the North East of Fläm. There is a predecessor called the Gotthard Tunnel, which was 16.9 kilometres long and for a long time the fourth longest road tunnel in … Lærdal is located in Norway, and connects Lærdal and Aurland in Sogn og Fjordane. Gotthard Base Tunnel, Switzerland: the world’s longest railway tunnel Credit: @encardiorite The 57 km (35 mile) twin – bore Gotthard base tunnel provides a high-speed rail link under the Swiss Alps, and helps people travel between northern and southern Europe easier, faster and more comfortably. The longest tunnels have been constructed for water distribution, followed by tunnels for railways. 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