103 Project information Short project description Nemetschek Engineering User Contest 2011 - Category 2: Civil Structures Category 2: Civil Structures 2 Gotthard Base Tunnel The Alps, Switzerland Owner AlpTransit Gotthard AG General Contractor AGN ARGE Gotthard-Basistunnel Nord Engineering Office Gähler und Partner AG (Ingenieurgemeinschaft Gotthard-Basistunnel Nord) Construction Period From April 1996 to December 2016 Location Erstfeld - Bodio, Switzerland The “Gotthard Base Tunnel” is a railway tunnel beneath the Alps in Switzerland. With a route length of 57 kilometres, it is the world’s longest tunnel. By 2016, after more than 20 years of construction, costs are expected to reach 12 billion Swiss Francs (9 billion Euro). It bypasses the old winding mountain route across the Saint-Gotthard Massif and establishes a direct route suitable for high speed and heavy freight trains. Together with other tunnels, it will become the fastest way to cross the Alps on land. High speed trains will be travelling at up to 250 km/h through the tunnel and cut the 4 h travel time from Zurich to Milan by an hour.
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