Supply of design and construction works between Istanbul-Ankara high-speed railway project Geyve-Sapanca
Due to the presence of 25 units with low radius on the approved route between Xnumx Km and Sapanca-Arifiye-Geyve route which constitutes a part of the approved Köseköy-Vezirhan route, the high speed train will be followed by conventional train speed in this section. [more…]