The Loetschberg base tunnel is a key element of the European high speed railnetwork. It links Raron in the Valais with Frutigen in the Bernese Oberland. With a lengt of 34,6 kilometres it is one of the longest railway tunnels built anywhere in the world.

Rhomberg Bahntechnik as general contractor in a consortium (ARGE Bahntechnik Loetschberg), executed the contract for the
technical railway equipment of the Loetschberg base tunnel of BLS – AlpTransit, Berne.

The centrepiece is the 34.6 km long Loetschberg base tunnel, consisting of two single-track tunnel tubes about 40 m apart and
connected very 333 m by transverse galleries. The tunnel work was completely executed in only 42 months, from the start of
pre-assembly in Berne to project completion.

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