This access was built in 1999 for the construction of the section Amsteg-Sedrun of the Gotthard Base Tunnel. The tunnel has a total length of 2222 meters. As far as the intersection with the cable tunnel there are 1782 meters. Today, the tunnel is used for maintenance. For visitors there is an exhibition installed at the end of the former construction tunnel. Switzerland, Nov 8, 2016. (1/23)
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