Schematics of typical immersed tube types An immersed tube (or immersed tunnel) is a kind of undersea tunnel composed of segments, constructed elsewhere...

in length. The tube has a maximum depth of 135 feet (41 m) below sea level. Built using the immersed tube technique, the Transbay tube was constructed...

The Posey Tube is the second-oldest underwater vehicular tunnel in the US, preceded only by the Holland Tunnel. It is the oldest immersed tube vehicular...

underwater tunnels, including an immersed tube and a submerged floating tunnel. The immersed tube method involves steel tube segments that are positioned...

services started to run through the tunnel. The tunnel is the deepest immersed tube tunnel in the world. The construction of a railway tunnel beneath the...

structures, but the construction is mostly similar to that of immersed tunnels: After the tube is prefabricated in sections in a dry dock and the sections...

(parallel to the Cross Harbour Tunnel) Tseung Kwan O line (sharing an immersed tube with the Eastern Harbour Crossing) The Star Ferry has been crossing...

The Jack Lynch Tunnel (Irish: Tollán Sheáin Uí Loingsigh) is an immersed tube tunnel and an integral part of the N40 road network in Cork, Ireland. It...

includes a 1.4-kilometre (1,500 yd) dual-tracked, reinforced concrete, immersed tube railway tunnel across Victoria Harbour, connecting Hong Kong Island...

commonly used in other automotive tunnels, and advanced the use of the immersed tube method of underwater vehicular tunnel building, a system of constructing...

differs significantly from a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods...

immersed tunnel, it will be the "world's longest combined road and rail tunnel; the world's longest under water tunnel for road; the deepest immersed...

town, the A55 road passes under the river in a tunnel, Britain's first immersed tube tunnel, which was built between 1986 and 1991. The old mountain road...

Strait) is crossed by a 1.4-kilometre-long (0.87 mi) earthquake-proofed immersed tube, assembled from 11 sections – eight are 135 metres (443 ft) long, two...

supports are set. Techniques known from barrel vaults are helpful. Immersed tube tunnel, sunk into a body of water and laid on or buried just under its...

9-kilometre (14.2 mi) bridge construction and a 6.7-kilometre (4.2 mi) immersed tube undersea tunnel that runs between two artificial islands, the Blue Dolphin...

to construct hand-bored tunnels. Most of the river section used the immersed tube method in which steam-powered dredgers dug a trench in the river bottom...

conference, Romney stated that "pull tests" were to be conducted in the eastbound tube to test the stress load on the bolt/epoxy system that supports the drop ceiling...

The Tokyo Bay Aqua-Line (東京湾アクアライン, Tōkyō-wan Akua-rain), also known as the Trans-Tokyo Bay Expressway, is an expressway that is mainly made up of a bridge–tunnel...

road tunnels each with two lanes constructed using the single shell immersed tube method. It is the earliest of three vehicular harbour crossings in Hong...

Administration. The tunnel was to be constructed using the immersed tube method, with prefabricated tubes sunken into the harbor. Construction began in May 1980...

The Airport Express (Chinese: 機場快綫) is one of the ten rail lines of the Hong Kong MTR system (excluding the light rail network). It links the urban area...

The Kennedytunnel is an important road, rail, and bicycle tunnel to the south of Antwerp, Belgium, under the Scheldt river. The road tunnel forms a part...

Note: This list only contains tunnels that are longer than 25 km (16 mi). 2 tubes A further 4 km (2.5 mi) on the opposite side of the Hong Kong-China border...

The Midtown Tunnel carries U.S. Route 58 across the Southern Branch of the Elizabeth River in the South Hampton Roads area of Virginia, US. It links the...

Rail line was extended across Victoria Harbour to Admiralty via a new immersed tube tunnel to the south of Hung Hom. The West Rail line was also extended...

announced that they compared all investigated variants and opted for an immersed tunnel for road and rail (estimated cost: 714 million euros) and that the...

The Downtown Tunnel on Interstate 264 (I-264) and U.S. Route 460 Alternate (US 460 Alt.) crosses the Southern Branch of the Elizabeth River in the South...

Wise, Jeff (1 October 2009). "Turkey Building the World's Deepest Immersed Tube Tunnel". Popular Mechanics. Archived from the original on 17 May 2014...

Street on Gutuevsky Island. The tunnel was constructed in 1983 by using Immersed tube method. Kanonersky Island is an artificial island in Saint-Petersburg...