KAT2 Koralm tunnel
Underground Mining Traffic tunnel construction
twin-tube railway tunnel






























Project data
- Country
- Austria
- Client
- ÖBB Infrastruktur AG
- Building Method
- continuous drive
- Burst volume
- ca. 4 Mio. m³




- Order sum
- 570.0 million EUR (as part of a consortium)
- Period of implementation
- January 2011 - December 2021
- Diameter / Cross-section
- 77 m²



- Contact
Sekretariat Untertagebau
+43 5556 7181-817
E-Mail