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[5] [6] [7] At 37.9 km (23.5 miles), it has the longest underwater section of any tunnel in the world and is the third-longest railway tunnel in the world. The speed limit for trains through the tunnel is 160 km/h (99 mph). [8] The tunnel is owned and operated by Getlink, formerly Groupe Eurotunnel.
The longest continuous underwater vehicular tunnel in the world when first built, crossing the Hudson River between Manhattan and Jersey City: 2.6 km: 28.3 m: 1920–1927 Detroit–Windsor Tunnel: Windsor, Canada – Detroit, USA: Connect Ontario, Canada to Michigan, USA. under the Detroit River opened on November 3, 1930 1.57 km 13.7 m 1928–1930
Channel Tunnel to the United Kingdom (railway through the English Channel), at 50.5 km (31.4 mi); International Tunnel de Bielsa-Aragnouet France – Spain: total length 3.07 km, diameter 7.5 m, 100 m minimum distance between one after another vehicles, asphalt lane 6 m wide, for vehicles high max 4.3 m, max speed 60 km/h (37 mi/h)
Orange–Fish River Tunnel: South Africa 82,800 m (51.450 mi) 1972 Longest continuous enclosed aqueduct in the Southern Hemisphere (22.5 m 2 cross section). Built to divert water from the Orange River to the Great Fish River. Water supply Bolmen Water Tunnel: Kronoberg/Scania, Sweden 82,000 m (50.952 mi) 1987 8 m 2 cross section Metro
#1 Tunnel, Yellow River Diversion to Shanxi North Line Shanxi, China 43.7 km (27.2 mi) 2011 Water supply #7 Tunnel, Yellow River Diversion to Shanxi South Line Shanxi, China 43.5 km (27.0 mi) 2002 Water supply High Island Water Tunnels: Sai Kung Peninsula, New Territories, Hong Kong 40 km (24.9 mi) 1976 Water supply
There are proposals of fixed links between Sweden and Finland. A tunnel could be built between Sweden and Åland, about 50 km (30 mi) long, and 100–200 m (330–660 ft) deep, with the lowest depth around Märket, a little detour. The area between Åland and Finland is shallow with many islands, able to be connected with bridges - some of ...
The Genesee River, named "Ge-ne-see" by the Haudenosaunee, meaning "pleasant banks," flows into Lake Ontario.
The Seikan Tunnel is the world's longest undersea tunnel by overall length (the Channel Tunnel, while shorter, has a longer undersea segment). [3] It is also the second-deepest transport tunnel below sea level after the Ryfylke Tunnel , a road tunnel in Norway that opened in 2019, and the second longest main-line railway tunnel after the ...