• Strabag, in a joint venture with Porr, completed tunneling on both tracks for Vienna’s U2 extension under the U2xU5 program.
• The final breakthrough was completed at Augustinplatz on July 13, 2026, finishing the second tunnel tube between Matzleinsdorfer Platz and Augustinplatz.
• The tunnel boring machine “Debohra” drove about 2 kilometers on the second tube, matching the first tube completed in July 2025.
• The first construction phase covers twin running tunnels, four new U2 stations, and emergency exits under a contract awarded in late 2020.
• Construction started in 2021; the TBM is now being dismantled for return to Herrenknecht for overhaul.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Strabag SE published the original content used to generate this news brief on July 13, 2026, and is solely responsible for the information contained therein.