S6 Ganzstein Tunnel

Operating and safety facilities

A9 Lainberg Tunnel

General electrical engineering

B38 Saukopf Tunnel

Retrofitting of technical equipment

B10, Lehrer-Tal Tunnel

Operating facilities

BAB A 71 Behringen Tunnel

Retrofitting of safety equipment

A6 NE Motorway, A4 Kittsee

Electromechanical equipment

B145, Traunsee Tunnel Chain

Electrical equipment

B140 Steyrtal Straße

Electrical equipment

BAB A113 Rudower Höhe

Tunnel ventilation

B277 Schlossberg Tunnel

Technical tunnel equipment

AK Memmingen Tunnel, A7

Retrofitting of operating facilities

B167, L101 Klammstein

Renewal of lighting systems

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