Spain
Montserrat
Barcelona's Orbital Highway BCN B-40
Construction of the Olesa tunnel
The construction project of the Barcelona Orbital Highway B-40 in the section between Olesa de Montserra and Viladecavalls (6.1 km long) includes the construction of a 1.264 long tunnel to cross the Sierra d’En Ribes.
The Olesa tunnel is a two-way tunnel with two independent tunnels (one in each direction) and a cross-section of 186 m².
Our mission(s)
Detailed design