Geography
What is the goddard tunnel?
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The Gotthard Base Tunnel is a railway tunnel through the Alps in Switzerland. It opened on 1 June 2016, and full service began on 11 December 2016. With a route length of 57.09 km, it is the world's longest railway and deepest traffic tunnel and the first flat, low-level route through the Alps.
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The Gotthard Tunnel is a railway tunnel through the Alps in Switzerland over 9 miles long.
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