Pipes and shafts for the second longest Tunnel in Germany
One of the largest tunnel construction projects in Germany is currently underway between the town of Helsa in the administrative district of Kassel and the city of Hessisch Lichtenau in the Werra-Meißner-Kreis. Since the middle of 2013, the state of Hesse has been building the Hirschhagen Tunnel, which is part of the future extension of A44 from Kassel on A7 to Herleshausen on A4. After its completion, the tunnel will be the second longest tunnel in Germany with a length of 4,204 m (southwest pipe) after the Rennsteig Tunnel in Thuringia. In the longitudinal dewatering of both pipes FBS...
