La Deskarga tunnels, Guipuzcoa, Spain

Gas detection and air control in road tunnel

The government approved the construction project for the last section to remaining completion of the Beasain-Durango axis. With a length of 10 kilometers, it will connect the Urretxu-Legazpi junction with the AP-1 in Bergara.

Construction of the Deskarga tunnel will allow going under the Deskarga mountain pass and is composed of two unidirectional two-lane tubes with 650m length each. Two evacuation galleries for pedestrians connect both tubes
. 
These tunnels are protected by CO and NO2 detectors designed and manufactured by DURAN ELECTRONICA, as well as by ultrasonic anemometers distributed by DURAN ELECTRONICA.