BBT SE

04/11/2025

Work continues in Mules: final lining completed at the Trens emergency stop

At the Mules construction site excavation work is moving forward, and not only using tunnel boring machines. While TBM...

03/17/2025

News from the H41 Sill-Pfons Gorge construction site: TBM 'Lilia' crosses the 'Werner' fault zone and reaches 6 km of excavation

After Ida, Lilia is also celebrating a double milestone: she has successfully passed the 'Werner' fault zone and reached...

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...

Status of the works of the Brenner Base Tunnel

The BBT tunnel system includes about 230 km of tunnels. 191 km have already been excavated.

Progress of the works

191 km

230 km

Railway tunnel 89 km

Exploratory tunnel 57 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