Contract for İstanbul Highway Tube Crossing - Section 1&3 Preliminary and Implementation Projects is signed
The contract for the 2nd tube crossing in İstanbul Strait, "İstanbul Highway Tube Crossing - Section 1&3 Preliminary and Implementation Projects" was signed with the Contractor (EPC JV - Yapı Merkezi İnş. ve San. A.Ş. and SK Eng. & Const. Co. Ltd. Joint venture).