BBT SE

03/06/2025

Wilma’s first kilometre: the Austrian TBM is advancing northwards

Flavia is only 300 metres from her goal, Ida has passed the “Werner” fault zone and our TBM named Wilma is forging...

02/27/2025

ÖBB Rail Cargo, ARGE H53 and BBT SE: Working together for the future

Working with the H53 contractor consortium, ÖBB Rail Cargo Group (RCG) ensures the sustainable transport of prefab...

02/20/2025

500 metres still to go to reach the Brenner Pass: Flavia is almost at the finish line

Flavia’s journey started in April of 2019. She is a 200-metre-long tunnel boring machine weighing 2,750 tonnes and she...

01/27/2025

News from the H41 Sill Gorge-Pfons construction site: the TBM Ida is three-quarters of the way through and has passed the 'Werner' fault zone

Two important pieces of news from the northernmost construction site currently operating in the Brenner Base Tunnel: the...

01/15/2025

Construction site “H41 Sill-Pfons Gorge”: TBM Ida is about to enter a large fault zone

After a 2024 marked by significant milestones, 2025 begins with a new challenge for the H41 Sill Gorge-Pfons...

Status of the works of the Brenner Base Tunnel

The BBT tunnel system includes about 230 km of tunnels. 185 km have already been excavated.

Progress of the works

185 km

230 km

Railway tunnel 84 km

Exploratory tunnel 56 km

Other tunnels 45 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