PORR, Marti link Austria-Italy main tunnel tubes on Brenner Base Tunnel project

• Porr reached the Austria-Italy border breakthrough in both main tubes on Brenner Base Tunnel lot H53 Pfons-Brenner, linking to Italy’s completed H61 section.
• H53 scope covers two main tunnel tubes totaling 25.2 km, plus 3.6 km of additional tunnel sections, including inner linings; project duration about six years.
• The consortium contract volume is EUR 959 million; client is BBT SE; partners include Marti.
• Work began in March 2024; about 5 km was driven in each tube by drill-and-blast before the border connection.
• Two TBMs, Olga and Wilma, are set to continue driving the main tubes toward Innsbruck.

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. Porr AG published the original content used to generate this news brief on July 28, 2026, and is solely responsible for the information contained therein.