Survey, feasibility, detailed design and engineering services of 49.2 km 4 lane (2 x 2) highway between Gülyalı (Ordu) -
Istanbul Antalya (Eskısehır Antalya Sectıon) and Dınar Aydın Raılway
Survey, feasibility, preliminary and detailed design, and engineering services of 654.74 km double-track highspeed railway line with 250 km/h operation speed. Minimum curvature radius is 3,500 m, and maximum vertical slope is 1.6 %. The project includes 10 stations, 840 culverts, 368 underpasses, 73 overpasses, 188 bridges and viaducts with a total length of 26.702 km, 215 cut & cover tunnels with the total length of 47.394 km, 101 bored tunnels with the total length of 83.356 km, electrification, signalization, and telecommunication systems.