Technical Visit
Exploring interesting subsurface infrastructures

There is a unique opportunity to view parts of the technical equipment of the Koralmtunnel!

The Koralmtunnel is a railway tunnel under construction. After its completion at the end of 2025, it will be the longest railway tunnel in Austria with a length of 32.9 km. It is operated by the Austrian Federal Railways (ÖBB) and connects the two federal states of Styria and Carinthia.

Railway Equipment in the Koralmtunnel
There is an opportunity to visit the newly built Weststeiermark train station and the Leibenfeld ventilation center. The ventilation center is a shaft structure and has two large axial fans that supply the Koralmtunnel with fresh air in the event of a fire.

Do not miss this unique opportunity!


Date: Thursday, April 18, 2024

Rough Schedule (details to be announced)
We take the bus to the Weststeiermark train station to the construction site. From there, the tour continues to the Leibenfeld ventilation center.

  • Departure Graz (approx. 07:30-08:15)
  • Tour within the train station and the ventilation center
  • Lunch snack (12:00)
  • Arrival at Graz (approx. 15:00)

Project website: About the Koralm railway tunnel project (ÖBB)


Some Impressions


Photos: © ÖBB, APA, ITnA

Sponsored by

Austrian Federal Railways (ÖBB)

PORR Infra GmbH

Rhomberg Sersa Rail Holding GmbH


Impressions of the past years

In recent years, it has always been possible to experience interesting infrastructure projects in the fields of road and railway tunnels. An interesting program is again planned for the upcoming conference.

Photos: © Zentrum am Berg, ITnA