Orkney tunnel
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The Orkney tunnel is a suggested undersea road tunnel between Orkney and Caithness on the Scottish Mainland. The expected length of it would be about 9–10 miles (15–16 km).
File:MapOrkney.gif
Map of Orkney showing topography and main transport routes
The tunnel, if constructed, is assumed to make landfall on South Ronaldsay. In 2005, the tunnel was discussed, and then a total bill of £100 million was mentioned.[1][2] There has not been so much discussion after 2005.
There are also suggested plans to connect Orkney Mainland to Shapinsay.[3]
With recent developments of the renewables industry in the Pentland Firth, the idea of a tunnel has lost ground, though there have been discussions of the construction of a bridge over the top of a Pentland Tidal Array.
