The 3.1 km long Oenzberg tunnel is part of the new Mattstetten-Rothrist railway line in Switzerland. This railway line improves the connection between Bern and Olten.
Four-track extension of the Olten–Aarau railway line, Switzerland: the 2.6 km long Eppenberg tunnel helps to eliminate the traffic bottleneck.
During the construction of the Leipzig City Tunnel in the shopping centre under the station concourse of Leipzig Main station it was not possible to carry out any works from above ground. Therefore, two pilot tunnels were driven by pipe jacking so that vertical freezing bulkheads could be built.