Brenner Base Tunnel

The Brenner Base Tunnel is a railway tunnel that runs on the level between Innsbruck and Franzensfeste in Italy. Joining the existing railway bypass south of Innsbruck, the BBT is 64 kilometres long, making it the longest underground railway connection in the world.

Excavation work in the Brenner Base Tunnel near Schuttern

International project

The options for passenger and freight services by rail will be markedly improved by the construction of the Brenner Base Tunnel in the heart of Europe. The project is part of the European Scandinavia-Mediterranean core network Corridor, along which around 110 million people live between Helsinki and Valletta. The EU Commission is funding the international project to the tune of up to 50 percent.

Brenner Basistunnel BBT SE has been commissioned with implementing the project. BBT SE is a European stock company and works on behalf of the Republic of Austria, the Republic of Italy and the European Union. For more information, visit

Your benefits

    • Fast and safe connection of population centres to the north and south of the Alps
    • Environmentally friendly upgrade of transport capacity for freight services
    • Linking of important business centres in Europe
Co-financed by the European Union
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Brenner Basistunnel BBT SE

ÖBB Infra

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Contact Us

Please contact us if you have any questions regarding our project and construction work.