Mayka Bonilla has 14 years of experience in Large Infrastructure Engineering. For the last 5 years she has been working in the Department of Road Technologies and Facilities in Madrid Calle 30, managing what is possibly the most important ring road in Madrid, which includes the longest road tunnel in Europe and one of the longest ones in the world, with a distance of 48 km and through which some 440 million vehicles pass every year. She is in charge of Project Management, Construction Management and Maintenance Management of the facilities of the entire infrastructure, especially in the tunnel, which contains some 18,000 different systems, including lighting, ventilation, power supply and communications network. All the facilities interact with each other, their status is monitored and controlled at the Tunnel Control Centre.