ÖBB KAT1

Another milestone in the history of civil engineering projects is ÖBB (Austrian Railways) Koralm tunnel section 1 (KAT 1). Running from Gross St Florian to the eastern portal of the 31-km-long tunnel, the section of line is 3.2 kilometres.

Client: Koralm tunnel consortium, section 1
Construction period: 12/2008 - 7/2013

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