The tunnel, with a length of 5 kilometers, is part of the C-16 highway and E-9, running under the Serra del Cadí mountain range in the Pre-Pyrenees.
The tunnel, with a length of 5 kilometers, is part of the C-16 highway and E-9, running under the Serra del Cadí mountain range in the Pre-Pyrenees. Tunnels Links: en.wikipedia.org By: Mike1989
Tunnels 
