Austria Koralm Railway: Inviting Submissions for the longest Tunnelling Contract Section

The Koralm Railway is the extension of the trans-European corridor VI and part of the axis from Danzig via Warsaw and Vienna to Triest, Venice and Bologna, in other words the link between the Baltic Sea and the Mediterranean. A twin-track, electrified high-speed line is being produced over a 130 km long section – with the Koralm Tunnel accounting for 32.9 km of this total. It will then take passengers less than an hour to travel from Graz to Klagenfurt at 200 km/h.

Work on the Graz–Klagenfurt Koralm Railway has been progressing since 2001. The first of 3 contract sections for the Koralm Tunnel...

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Issue 05/2011 Austria

Koralm Tunnel: Work starts on main Section

The Koralm Tunnel represents the core of the new 130 km long Koralmbahn, being set up between Graz and Klagenfurt, a twin-track high-speed line designed for speeds of up to 200 km/h estimated to cost...

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Issue 07/2013 Austria

Koralm Tunnel: Start of Construction in Main Section

The 32.8 km long Koralm Tunnel in Kärnten and Styria will be the longest rail tunnel in Austria, representing the core of the 130 km long, twin-track Koralmbahn Graz-Klagenfurt, currently under...

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Issue 02/2016 Austria

2015 „Südbahntagung“ Conference

The Südbahntagung conference was initiated in 2008 as a forum at which findings and case studies on major tunnelling projects in Austria such as the Semmering Base Tunnel, Koralm Tunnel and the...

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Issue 07/2011 Germany

Breakthrough at Bleßberg Tunnel

The 8,314 m twin-track long Bleßberg Tunnel is the longest on the new Ebensfeld-Erfurt rail route – German Unity Rail Project No. 8 (VDE 8.1) and once commissioned will be the third longest...

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Issue 06/2017 Austria

Koralm Railway: Final Drive

The start of excavation for the Koralm Railway’s Untersammelsdorf Tunnel in Carinthia, Austria, took place on July 7, 2017. According to Klaus Berger, ÖBB’s project manager, the last of six tunnels...

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