BBT SE

06/03/2025

Brenner Base Tunnel: breakthrough in the west main tunnel at the Austrian Pfons-Brenner construction site

With the breakthrough in the west main tunnel on 31 May, another central section of the 'H53 Pfons-Brenner' construction...

05/28/2025

Why did Flavia stop at the border?

Flavia’s arrival at the border was greeted with huge enthusiasm by every supporter of the BBT project. But some people...

05/20/2025

New breakthrough in one of the two main tunnels in the Austrian part of the BBT project

Thanks to this new milestone, the main tunnels excavated in the two lots, H41 “Sill Gorge - Pfons” and H21 “Sill Gorge”...

05/16/2025

Moving further towards Europe: TBM Flavia has finished the mechanised excavation of the BBT in Italy

At the 'H61 Mules 2-3’ construction site of the BBT, the last TBM on the Italian side of the project has successfully...

05/09/2025

Pfons-Brenner construction lot: Breakthrough in the east main tunnel

A new milestone has been reached for the H53 Pfons-Brenner construction lot in the Austrian part of the BBT project, in...

Status of the works of the Brenner Base Tunnel

The BBT tunnel system includes about 230 km of tunnels. 196 km have already been excavated.

Progress of the works

196 km

230 km

Railway tunnel 93 km

Exploratory tunnel 57 km

Other tunnels 46 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