Semmering Base Tunnel: TBM Start in Contract Section 2.1
The Semmering Base Tunnel (SBT) is currently under construction and is one of the most important major infrastructure projects in the heart of Europe, forming part of the new Austrian Southern Railway – the central axis on the trans-European route from the Baltic Sea to the Adriatic. With a total length of 27.3 km, the SBT connects Lower Austria and Styria. Under the aegis of Implenia, a joint venture commissioned by ÖBB is constructing the roughly 13 km long middle section (contract section 2.1) known as the “Fröschnitzgraben” tunnel.
The majority of the SBT and all of its entrances are being...