The Governing Council of the Gipuzkoa Provincial Council approves the project for the adaptation to European regulations of the Oindolar tunnels in Villabona in the Donostia direction, and Gorosmendi in Berastegui in the Iruña direction. Both tunnels were built in 1995. They are 552 and 550 meters long, respectively, and have a tube in each direction.
They are located on the A-15 motorway, in a section through which more than 14,000 vehicles circulate daily.
For the renovation, improvement and technical assistance services of both tunnels, the project foresees an investment of 82 million euros, strengthening their safety as well as comfort and progressive digitization of the track. The roof is reinforced and the facilities are modernized with state-of-the-art equipment.
In compliance with the new safety requirements for users, the DURTOX 4-20mA CO and NO2 detectors manufactured by Durán Electrónica and ultrasonic anemometers and opacimeters for environmental control, distributed by Durán Electrónica, have been chosen.