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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 world's longest undersea portion railway tunnel (37.9 km underwater length) 50.4 km: 115 m: 1988–1994 Hitra Tunnel: Trøndelag, Norway: The deepest in the world at the time of construction: 5.6 km: 264 m: 1992–1994 Tokyo Bay Aqua-Line: Tokyo, Japan: The world's 2nd longest undersea portion road tunnel: 9.6 km: 1988–1997 Massachusetts ...
At its lowest point, it is 75 m (250 ft) deep. At 23.5 miles (37.9 km), the tunnel has the longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 33.46 miles (53.85 km) and
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 ...
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
Here, only those rivers whose discharge is more than 2,000 m 3 /s (71,000 cu ft/s) are shown. It can be thought of as a list of the biggest rivers on Earth, measured by a specific metric. It can be thought of as a list of the biggest rivers on Earth, measured by a specific metric.
Pearl River Tunnel 珠江隧道 [12] China 36.043 km (22.4 mi) 2021 Guangzhou–Foshan circular intercity railway: Duomuge Tunnel 多木格隧道 [9] China (Tibet) 36 km (22.4 mi) 2030 Nyingchi–Ya'an railway Gaoligongshan Tunnel: China 34.5 km (21.5 mi) 2022 Dali-Ruili Railway: Chukyo Area Tunnel No.1 [11] Japan
In particular, there seems to exist disagreement as to whether the Nile [3] or the Amazon [4] is the world's longest river. The Nile has traditionally been considered longer, but in 2007 and 2008 some scientists claimed that the Amazon is longer [ 5 ] [ 6 ] [ 7 ] by measuring the river plus the adjacent Pará estuary and the longest connecting ...