New Semmering Base Tunnel: Exploratory Phase concluded

The roughly 27 km long new Semmering Base Tunnel (nSBT) on the selected Pfaffensattel alignment consists of 2 single-track tunnel bores, which are connected with one another via cross-passages every 500 m. The tunnel is to be driven via the 2 portals (Münzzuschlag in the west and Gloggnitz in the east) as well as 2 intermediate points of attack, both cyclically (NATM) as well as continuously (with TBM).

The second exploratory phase along the chosen route (Pfaffensattel) was concluded in September 2009. The investigatory drilling – 56 core drill holes down to a depth of 720 m involving almost...

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Issue 2011-07 Austria

Semmering Base Tunnel: Construction approved

The new roughly 27 km long Semmering Base Tunnel can now be built for Austria’s supreme railway authority confirmed its environmental compatibility on May 30, exactly a year after the relevant...

Issue 2012-07 Austria

New Semmering Base Tunnel: Work commences

The 27.3 km long new Semmering Base Tunnel, which will link Mürzzuschlag in Styria with Gloggnitz in Lower Austria, is one of Europe’s biggest infrastructure projects. After obtaining permission for...

Issue 2017-06 Austria

Semmering Base Tunnel: Last Section under Construction

The 27.3 km long new Semmering Base Tunnel is the key structure of the new Austrian Südbahn line. On 30 June 2017, tunnelling works started on the third and last tunnel section, Grautschenhof. The...

Issue 2015-01 Austria

New Semmering Base Tunnel: Gloggnitz Preliminary Work finished

The 27.3 km long New Semmering Base Tunnel (SBTn) is a major element of the new Austrian southern rail route. Its two bores are to be linked every 500 m by cross-passages and an emergency halt with...

Issue 2015-04 Austria

Semmering Base Tunnel: Implenia, Hochtief and Thyssen to build Tunnel Gloggnitz

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