Tunel Eiksund
Tunnel Eiksund during the opening, February 23, 2008 Tunnel Eiksund during the opening, February 23, 2008
Eiksundtunnelen (Eiksundtunnelen, Eiksundtunnel) is a submarine road tunnel located in the town of Volda in the Møre og Romsdal region of Norway. Its length is 7765 m, it descends to 287 m below sea level, which makes it the deepest tunnel in the world (the previous record was Hitra tunnel - Hitratunnelen). The longest slope in the tunnel is 9.6%. Its designer is Oddbjørn Pladsen. The tunnel runs across the Eiksund Fjord and connects the island of Hareidlandet to the mainland, serving the residents of the Herøy, Sande, Ulstein and Hareid communities (approximately 22,000 people).
The construction of the road link with the tunnel was planned in the 1980s, but construction of the tunnel began only in the summer of 2004. The construction of the new trail used a method of sealing rocks to prevent the water from seeping through it. It involved the introduction of calcium carbonate slurry into the underground water sources, which crystallizes even the smallest slits in the rock. The formal opening of the tunnel took place on 23 February 2008. The cost of the investment amounted to over 122 million euros.
In 2008, the toll paid for the tunnel was NOK 76.
The Eiksund Tunnel is part of a 14,880 m road connection that replaced the Eiksund-Rjåneset ferry line connecting four municipalities to the mainland. The Eiksundbrua (Eiksundbrua) Bridge, 405 m long, the 1160 m Helgehorn Tunnel (Helgehorntunnelen) and the Morkaås (Morkaåstunnelen) Tunnel, 630 m in length, are part of the tunnel.
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