Semáforos en tuneles de Vallirana

The Vallirana tunnel is a 1434 meter road tunnel, located under the town of Vallirana Barcelona - Spain. It is part of the B-24 highway, which joins the A-2 motorway at the height of Pallejá and ends after the tunnel, where it connects at the moment with the N-340 and in the future with the A-7 highway when it is fully unfolded.

This tunnel has 2 tubes, one for each direction. Built with the new techniques for the construction and more advanced equipment for tunnels of the 21st century, Fomento de Construcciones y Contratas (FCC), a company that has executed this construction and the optional technical management, have selected SONTRAFIC as the supplier of the different traffic light equipment that have been installed in the entrances and interior of the 2 tunnels.