Innovation and technical expertise are crucial success factors in the technology-driven market segment of tunnelling.

In this area, HOCHTIEF has been at the forefront of tunnelling contributing to modern tunnelling techniques for over a quarter of a century.

The HOCHTIEF Civil Engineering and Tunnelling (CET) business unit includes amongst its highlights the world's longest railway tunnel at the Gotthard Massiv mountain cluster in Switzerland and numerous underground metro projects including the new number 4 subway line in Hamburg.

Our team of specialists at CET offer everything from consulting services and cooperation to turnkey implementation for:

• Tunnel construction
• Pipe Jacking
• Civil engineering
• Surveying
• Wastewater facilities
• Specialised underground structures