The turn-key Project consisted of the engineering, procurement and execution of the railway signalization between the stations of Kayas¸ and Hanlı (530 km) and between the stations of Hanlı and C¸etinkaya (225 km). The Project was carried out for 120 km/hour of train speed. The number of the stations between Kayas¸-Hanlı was 44 and the number of stations between Hanlı and C¸etinkaya was 17. An automatic train stop system, a central traffic control system and an automatic block system were included in the project.