BBT SE

Tag des offenen Tunnels, Sillschlucht Innsbruck

11/11/2025

Brenner Base Tunnel: the excavation of the main tunnels in the 'Sill-Pfons Gorge' lot is complete

In the Austrian 'H41 Sill-Pfons Gorge' lot, the completion of the main tunnel excavation work was celebrated today in...

11/05/2025

Europe on rails: the Brenner Corridor Platform meets in Verona

The Brenner Corridor Platform (BCP) met today in Verona for its annual plenary session, reaffirming the importance of a...

10/23/2025

Visit by Federal Presidents Steinmeier and Van der Bellen to the Brenner Base Tunnel

The Presidents toured the H41 Sill Gorge-Pfons construction lot near Innsbruck in the Ahrental

10/06/2025

Brenner Base Tunnel: TBM 'Lilia' successfully completes excavation of the east main tunnel

With this further achievement, the main tunnel excavation works in Lot H41 Sill-Pfons Gorge are at an end

10/04/2025

Great success for BBT's 'Open Day' at the Sill Gorge construction site in Innsbruck

The 'Open Tunnel Day' is now an established tradition for the BBT project. On this occasion, the Brenner Base Tunnel...

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The Brenner Base Tunnel - a new link through the Alps

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Status of the works of the Brenner Base Tunnel

The BBT tunnel system includes about 230 km of tunnels. 208 km have already been excavated.

Progress of the works

208 km

230 km

Railway tunnel 103 km

Exploratory tunnel 57 km

Other tunnels 48 km

kilometres

This is the length of the Brenner Base Tunnel and the Innsbruck bypass with which it links south of Aldrans. This will make it the longest underground railway connection in the world.

250

km/h

Passenger trains will travel through the tunnel at a top speed of 250 km/h.

1,350

measuring stations

Water quality is monitored at 1,350 measuring stations all along the project area.

minutes

The trip from Innsbruck to Fortezza takes 80 minutes today. The trip through the BBT will take only 25 minutes.

All facts