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Semmering Base Tunnel

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The $11BN Tunnel Connecting Scandinavia to the Mediterranean

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Semmering-Basistunnel Projektfilm

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Construction site for the Semmering base tunnel seen from the train at Mürzzuschlag.

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Baufortschritt im Semmering Basistunnel

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Meet Crossrail's giant tunnelling machines

The Semmering Base Tunnel is a railway tunnel under construction between Gloggnitz and Mürzzuschlag in Austria underneath the Semmering Pass. The existing route is 41 km in length and the Semmering Base Tunnel will be 27.3 km in length. The new route will offer time savings of up to 30 minutes, partly on account of the shorter route and partly on account of the higher speed limit.