Never before a road tunnel has reached this depth below sea level. Nearly two and a half years
after the beginning of the drivage, 4.4 kilometers
of a total of 7.9
kilometers of the tunnel tube have already been blasted out.
finishing and road construction, which are executed parallel to the excavation work, are on schedule. Until now, 2 kilometers of the asphalted road have already been completed.
The inner shell and
sealing lies in a tube, from the starting point approximately the first 500 meter have been completed and the first block of 200 meter long cut-and-cover tunnel has already been concreted.
Marti Tunnelbau AG