ElbX Tunnel Under the River Elbe

At the end of 2025, 50 per cent of the 5.2 km-long tunnel section of the ElbX Crossing has been successfully excavated by the joint venture ARGE Tunnel ElbX, (Porr Tunnelbau and Wayss & Freytag Ingenieurbau). The particular characteristics of this construction project include not only tunnel construction beneath the River Elbe and compressed air operations at pressures of up to 4.8 bar, but also the work on the access and joint structures carried out in parallel with tunnelling, as well as the specific safety and logistical requirements associated with long...