The project consists of theinstallation of a global signalling, telecommunications and energy solution along the railway line. Over a 48 km route with 9 stations, 4 tunnels and 10 viaducts, 8 railway interlocks with ERMTS and GSM-R network were deployed. 72 km of fibre optics were laid and the entire communications infrastructure was installed, as well as all the safety and passenger information systems