Green Light entails the replacement of electricity and lighting systems (in tunnels and outdoors) with last-generation, highly energy-efficient and low-environmental impact devices designed to offer more visibility in low-light conditions or during the night. 2019 Sustainability Report The Group also guarantees scheduled routine maintenance on the road network that it operates under concession, to protect assets and traffic safety, ensuring surveillance and immediate action in the event of emergencies on directly managed roads and motorways, by coordinating and directing the local offices, the situation room and the management of relationships with the traffic police and civil protection.