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The 10 Longest Underwater Tunnels in the World | TheRichest

Bridges, causeways, and underwater tunnels are all passageways that allow travel above, across, and beneath bodies of water such as rivers, bayous, and bays. On the other hand, these artificial structures can create barriers or obstacles to wildlife that live underneath and above these waters.

Chesapeake Bay Bridge–Tunnel - Wikipedia

Bridges, Causeways, and Underwater Tunnels. Bridges, causeways, and underwater tunnels are all passageways that allow travel above, across, and beneath bodies of water such as rivers, bayous, and bays. On the other hand, these artificial structures can create barriers or obstacles to wildlife that live underneath and above these waters.

Bridges, Causeways, and Underwater Tunnels - dam, river ...

An undersea tunnel is a tunnel which is partly or wholly constructed under a body of water. They are often used where building a bridge or operating a ferry link is impossible, or to provide competition or relief for existing bridges or ferry links.

List of bridges and tunnels in New York City - Wikipedia

The tunnel was built as part of a large project including 3 tunnels and a bridge connecting several islands to the mainland. The tunnel carries three lanes of traffic.

Bridges, Causeways, and Underwater Tunnels | Encyclopedia.com

Finished in 1994, the Chunnel's underwater portion accounts for 24 of its 31 total miles (38.6 of 50 kilometers) but plunges only 246 feet (75 meters) deep [sources: ASCE; Chan; Wise]. As far as the Turks are concerned, both tunnels are all wet compared to their $3.3-billion Marmaray Tunnel finally open to the public in 2013.

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