See also
- Transcontinental railroads have many bridge–tunnels.
- Intercontinental and transoceanic fixed links
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List of bridge–tunnels:
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The Great Belt Bridge or Great Belt fixed link is a multi-element fixed link crossing the Great Belt strait between the Danish islands of Zealand and Funen. It consists of a road suspension bridge and a railway tunnel between Zealand and the small island Sprogø in the middle of the Great Belt, and a box-girder bridge for both road and rail traffic between Sprogø and Funen. The total length is 18 kilometres (11 mi).
The Dartford–Thurrock River Crossing, commonly known as the Dartford Crossing and until 1991 the Dartford Tunnel, is a major road crossing of the River Thames in England, carrying the A282 road between Dartford in Kent in the south and Thurrock in Essex in the north.
The Øresund or Öresund Bridge is a combined railway and motorway cable-stayed bridge across the Øresund strait between Denmark and Sweden. It is the second longest bridge in Europe with both roadway and railway combined in a single structure, running nearly 8 kilometres from the Swedish coast to the artificial island Peberholm in the middle of the strait. The crossing is completed by the 4-kilometre (2.5 mi) Drogden Tunnel from Peberholm to the Danish island of Amager.
A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation openings at various points along the length. A pipeline differs significantly from a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
The San Francisco–Oakland Bay Bridge, commonly referred to as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 vehicles a day on its two decks. It includes one of the longest bridge spans in the United States.
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Hudson Square and Lower Manhattan in New York City in the east to Jersey City, New Jersey in the west. The tunnel is operated by the Port Authority of New York and New Jersey and carries Interstate 78. The New Jersey side of the tunnel is the eastern terminus of New Jersey Route 139. The Holland Tunnel is one of three vehicular crossings between Manhattan and New Jersey; the two others are the Lincoln Tunnel and George Washington Bridge.
The Verrazzano-Narrows Bridge is a suspension bridge connecting the boroughs of Staten Island and Brooklyn in New York City, United States. It spans the Narrows, a body of water linking the relatively enclosed New York Harbor with Lower New York Bay and the Atlantic Ocean. It is the only fixed crossing of the Narrows. The double-deck bridge carries 13 lanes of Interstate 278: seven on the upper level and six on the lower level. The span is named for Giovanni da Verrazzano, who in 1524 was the first European explorer to enter New York Harbor and the Hudson River.
The Triborough Bridge and Tunnel Authority (TBTA), doing business as MTA Bridges and Tunnels, is an affiliate agency of the Metropolitan Transportation Authority that operates seven toll bridges and two tunnels in New York City. The TBTA is the largest bridge and tunnel toll agency in the United States by traffic volume. It generated more than $2.4 billion in toll revenue from 335 million vehicles in 2023. As of 2023, its operating budget was $596 million; the budget is funded through taxes and fees.
The Huangpu, formerly romanized as Whangpoo, is a 113 km-long (70 mi) river flowing north through Shanghai. The Bund and Lujiazui are located along the Huangpu River.
The Hugh L. Carey Tunnel, commonly referred to as the Brooklyn–Battery Tunnel, Battery Tunnel or Battery Park Tunnel, is a tolled tunnel in New York City that connects Red Hook in Brooklyn with the Battery in Manhattan. The tunnel consists of twin tubes that each carry two traffic lanes under the mouth of the East River. Although it passes just offshore of Governors Island, the tunnel does not provide vehicular access to the island. With a length of 9,117 feet (2,779 m), it is the longest continuous underwater vehicular tunnel in North America.
The Chesapeake Bay Bridge–Tunnel is a 17.6-mile (28.3 km) bridge–tunnel that crosses the mouth of the Chesapeake Bay between Delmarva and Hampton Roads in the U.S. state of Virginia. It opened in 1964, replacing ferries that had operated since the 1930s. A major project to dualize its bridges was completed in 1999, and in 2017 a similar project was started to dualize one of its tunnels.
A bridge–tunnel is a persistent, unbroken road or rail connection across water that uses a combination of bridges and tunnels, and sometimes causeways, and does not involve intermittent connections such as drawbridges or ferries.
The Louis-Hippolyte Lafontaine Bridge–Tunnel is a highway bridge–tunnel running over and beneath the Saint Lawrence River. It connects the Montreal borough of Mercier–Hochelaga-Maisonneuve with the south shore of the river at Longueuil, Quebec.
Coquihalla Canyon Park is on the north shore of the Coquihalla River in southwestern British Columbia. This provincial park includes the Othello Tunnels to the east and the mouth of the Nicolum River to the south. The tunnels were part of the Kettle Valley Railway (KV). Off Othello Rd, the locality is by road about 8 kilometres (5 mi) east of Hope.
European route E39 is the designation of a 1,330-kilometre (830 mi) north–south road in Norway and Denmark from Klett, just south of Trondheim, to Aalborg via Bergen, Stavanger and Kristiansand. In total, there are nine ferries, more than any other single road in Europe.
The Jammu–Baramulla line is a railway track laid to connect the Kashmir Valley in the Indian union territory of Jammu and Kashmir with Jammu Tawi railway station and thence to the rest of the country. The 338 km railway track will start from Jammu and end at Baramulla. It comes under the jurisdiction of the Firozpur railway division of Indian Railways's Northern zone. Part of this railway route from Udhampur to Baramulla is known as Udhampur-Srinagar-Baramula Rail Link (USBRL). The 359 m (1,178 ft) high Chenab Bridge lies on this line, which is the highest railway bridge in the world. The total project cost in 2022 was INR28,000 crore. Construction of the route faced natural challenges including major earthquake zones, extreme temperatures and inhospitable terrain.
An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry links. While short tunnels are often road tunnels which may admit motorized traffic, unmotorized traffic or both, concerns with ventilation lead to the longest tunnels being electrified rail tunnels.
The Shanghai Yangtze River Tunnel and Bridge is a bridge–tunnel complex across the south fork of the Yangtze River near the river mouth in Shanghai. The tunnel connects the Pudong District of Shanghai on the south bank of the river with Changxing Island, while the bridge connects Changxing Island with Chongming Island. In combination with the Chongqi Bridge, which connects Chongming Island to the north bank of the Yangtze, the bridge–tunnel complex forms the final crossing of the Yangtze before it empties into the East China Sea.
