Austrian Koralm tunnel is now structurally complete
With the structural work on the Carinthian side finished, the shell of the Koralm Tunnel is now successfully completed, ÖBB announced this week. The 33 kilometre long tunnel is part of the new double-track, electrified, high-speed railway southern route between Graz and Klagenfurt, which after completion reduces journey time to just 45 minutes.
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