On October 15, 2010, AlpTransit Gotthard AG, a subsidiary of Swiss Federal Railways, won Switzerland the title of the home of the world’s longest and deepest railway tunnel, when its boring machine (nicknamed Sissi), drilling from Faido, broke through the last bit of rock on the route under the Gotthard massif to Sedrun. Due to be operational by the end of 2017, the 35-mile (57km), $10.1 billion base tunnel project consists of two parallel single-track tubes connected every 1,066' (325m) by ...

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