Important breakthrough for the Brenner Base Tunnel

With the breakthrough between the Mules and the Isarco River Underpass construction lots, we now have a continuous...

Solemn ground-breaking ceremony at the H52-Hochstegen construction lot

Works are in full swing in all BBT construction lots in Austria; 151 km of the 230 km long tunnel systems have already...

Dismantling of the TBM Serena has started

In the exploratory tunnel of the Brenner Base Tunnel, under the Brenner Pass to a depth of 1400 m, the dismantling of...

Breakthrough in the last main tunnel under the Isarco river

About a month after the start of the works, the excavation works broke through today in the last main tunnel being built...

Tunnel boring machines - the Giants in the depths of the mountain: New exhibition at Innsbruck Central Station

For three months, the spotlight will turn to the tunnel boring machines of the Brenner Base Tunnel in the Mules 2-3...

Status of the works of the Brenner Base Tunnel

The BBT tunnel system includes about 230 km of tunnels. 151 km have already been excavated.
151 km
230 km
Railway tunnel 55 km
Exploratory tunnel 55 km
Other tunnels 41 km
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.
Passenger trains will travel through the tunnel at a top speed of 250 km/h.
measuring stations
Water quality is monitored at 1,350 measuring stations all along the project area.
The trip from Innsbruck to Fortezza takes 80 minutes today. The trip through the BBT will take only 25 minutes.