Swiss Federal Railways (SBB) has commissioned a joint venture between Implenia and Marti (50% each) to build five of the six lots that make up the MehrSpur Zurich–Winterthur project: the Brüttener...
In December 2025 the team from Porr Tunnelbau reached a significant milestone in the ElbX tunnel construction project, a central component of the SuedLink expansion by transmission system operator TenneT Germany: 50% of the tunnel has been excavated. Since excavation began in early February 2025, the TBM has worked its way through around 2800 m beneath the Elbe.
Major projects such as the construction of subway stations impose high demands. Particularly in densely populated metropolitan areas, construction equipment must not only operate efficiently but also...
Tunnel construction is driven by major projects with tight time frames. Hence, it is crucial for processes to run reliably with no unplanned downtime. This is where RUD‘s drive technology comes into...
The STUVA Conference 2025 took place from November 25 to 27: two days with an extensive program of lectures and a well-attended exhibition, the STUVA Expo, and one day with numerous exciting...
On 7 April 2025, London celebrated a major milestone in urban infrastructure with the official opening of the Silvertown Tunnel. The 1.4-km twin-bore tunnel, which has been constructed at a cost of...
The implementation of large-scale projects requires robust planning that takes into account various target variables such as sustainability, construction time and cost. In recent years, the demands on...
In order to improve the traffic situation in north-western Germany and the connection to the international motorway network for the freight transport centre, port and airport, the A281 near Bremen is currently being expanded. Here, the remaining gap in the highly frequented ring motorway, the western corner connection between the A1 and A27, is being closed with an immersed tunnel in the Weser.
Excavation work on the second tube of the Gotthard Road Tunnel has been underway since 14 February 2025. On the north side, mechanised tunnelling is progressing according to plan. The TBM has...
