BBT SE

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...

12/04/2024

ITA Awards: the Brenner Base Tunnel swept the board

The ITA awards, currently in their 10th edition, are an important international recognition for underground works. Our...

10/16/2024

Building Better Together: the Brenner Base Tunnel project and the future of European mobility

On Wednesday 18 September, the start-up ceremony was held for the last TBMs to work on the BBT project, Wilma and Olga....

01/13/2025

Brenner Base Tunnel: Work has begun on the “New Riol access road” construction site

In Riol, in the town of Fortezza, a major infrastructure project to improve mobility in the area is due to start in the...

12/13/2024

Brenner Base Tunnel: the northern portal is now complete, with the final works in the Sill Gorge

The “Sill Gorge” construction lot, which includes the northern portal of what will be the longest railway tunnel in the...

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