Survey, feasibility, detailed design and engineering services of 49.2 km 4 lane (2 x 2) highway between Gülyalı (Ordu) -
Sıvas Erzıncan Erzurum Kars Fırst Sectıon
Survey, Feasibility, Preliminary and Detailed Design and Engineering Services of 300 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 4 stations, 336 culverts, 48 underpasses, 37 overpasses, 140 bridges and viaducts with the total length of 38.836 km, 132 cut & cover tunnels with the total length of 25.735 km, 128 bored tunnels with the total length of 59.014 km, electrification, signalization, and telecommunication systems.