101. Preparation of Repair and Retrofitting Projects of Bridges, Viaducts and Tunnels at O4 Highway and Highway Connection Roads (Anatolian Highway – Gümüşova)

-Retrofitting Projects of Batı Hereke Viaduct, 8 Overpass Bridges and 4 Pedestrian Overpass Bridges

General Directorate of Highways 1'th Division Directorate

Project Year: