Berlin Main Station
For construction of the East-West Connection at the Main Railway Station in Berlin, Germany, PORR built slab track on 25 bridges, 4 turnouts in slab track 6 rail expansion joints (breather switches) and and 50 track transition constructions. The project started in 2001 and was completed in 2002.
Further on the North-South connection of the Berlin Main Station, starting in 2002 and completed in 2006, Slab Track Austria was implemented on 9 kilometers in a new tunnel with big block-outs in track.
Tauern Tunnel Modernization
The adaptability of Slab Track Austria is a great advantage in situations where space limitations play a crucial role, as it was the case with the modernization of Tauern Tunnel in 1992. As part of this project 10 kilometers were installed in a tunnel. It was possible to increase the tunnel clearance without further tunnel extension in order to increase the limited tunnel profile. All this was done with the simultaneous rail operations on the parallel track.
Arlberg Tunnel Modernization
During the Arlberg Tunnel modernization project 2007-2009 20.8 kilometres of slab track were built in a double-track old tunnel, with 3.5 meters between track centrelines. Tunnel clearance was widened and water drainage installed. Emergency road vehicles can drive through the tunnel because accessibility slabs were installed during the reconstruction.
Lainzer Tunnel Final stage
Unterinntal Los A1 – Slab Track
The partial section Kundl/Radfeld – Baumkirchen of the train axis Munich – Verona features an overall length of 40 km (7 km free track, approx. 33 km tunnels, galleries, sags, subsurface tracks). The entire track is constructed for high velocities with a maximum design speed of 250 kph. The track is designed as a slab track system in which the rails are bolted directly down on to a concrete support slab (System ÖBB-PORR). Ballast is used only in the surface line parts such as Baumkirchen, Stans and Kundl..
Lower Austria/Vienna, Austria
The double-track new construction route Vienna–St. Pölten is linked to the connection route between Western, Southern and Donaulände railway line (Project “Lainzer Tunnel”) in the east and is connected to the existing Western railway line by the junction Wagram in the west. The total length is approximately 44 km.
The Wienerwald tunnel amounts to approximately 11.6 km of the section and runs from Hadersdorf-Weidlingau in the east to Chorherrn in the west, the main part forming two single-track tunnel tubes. The latter are equipped with ballast-less track and in some sections with floating track slabs. Due to the tunnel safety concept, the whole superstructure was made accessible for emergency vehicles by implementing Porr's accessibility solution.