Safety first.

The security level for tunnels rises constantly, and so do the safety requirements. We build new rescue tunnels, emergency galleries and crosscuts for long standing tunnels to make them state of the art routes. Additionally we refurbish the tunnel surface und exchange the driving surface.
Clear lines in the world’s most secure tunnels.


Refurbishment of the Bosruck Tunnel
A14 Rheintal/ Walgau Highway, Crosscut Ambergtunnel
A9 Part refurbishment Tunnel Wald and Pretallerkogentunnel