Safeguarding the drinking water supply: Foundation stone laid for new elevated tank
We are delighted to be realising the construction of the new drinking water storage tank in Düsseldorf! In order…
Acquisition success for the project 2. Stammstrecke of Munich
Wayss & Freytag Ingenieurbau AG achieved an acquisition success in another IPA project in the rail partnership model. The alliance…
Contract awarded for the start of construction of the Riederwald Tunnel in Frankfurt
On 18 June 2025, Autobahn GmbH des Bundes awarded the contract for the first construction phase of the new…
Two subsidiaries of Zech Group SE take over all 320 employees of the insolvent Karrié Baugesellschaften as part of an asset deal
Bremen/Mainz, 7 January 2026: ZECH Bau SE and Wayss & Freytag…
Setting off for the Europaviertel: W&F is constructing the underground track for the U5
On 7 January 2026, Stadtbahn Entwicklung und Verkehrsinfrastrukturprojekte Frankfurt GmbH (SBEV) awarded the…
Expansion of the Executive Board of Wayss & Freytag Ingenieurbau AG
Wayss & Freytag continues to grow in terms of projects, construction output, and staff. Consequently, the Supervisory Board of…
Conventional Tunnelling
The construction of tunnels using conventional construction methods has always been a challenge to every engineer. Here, the engineer’s most important task is the evaluation…
Cut-and-Cover Tunnels
Tunnels, retained cuts and top-down excavations - special kinds of traffic structure.
Wherever geology and inner city traffic conditions permit, cut-and-cover tunnels,…
Tunnelling Technologies
“Tunnel Technologies” as part of the Tunnelling Departmentof Wayss & Freytag Ingenieurbau AG, headquartered in Frankfurt, provides customized equipment solutions…
Tunnel refurbishment
Tunnels are important traffic and civil engineering structures with high safety standards and demanding technical equipment. Often the failure to meet these safety standards…
