Istanbula ring road metro

Istanbul ring road metro: Details of the subway to be built between Kazlıçeşme and Söğütlüçeşme have emerged. The metro, which will start from Kazlıçeşme and extend from Rumeli Hisarı to the Observatory through a tube passage and from there to Söğütlüçeşme, will be the ring road metro of Istanbul. 40 kilometers long metro; It will connect Marmaray, Metrobus and subways.
A second metro line similar to Marmaray will be built under the Bosphorus. The metro, which will be built in 2 separate stages, will be the main backbone of the Istanbul metro with a total length of 40 kilometers. A tender will be held on October 26 for the first phase of the metro line between Söğütlüçeşme-Kazlıçeşme to be built by the Istanbul Metropolitan Municipality (IMM).
Tube passage from the bottom of the sea 30 meter
The first phase of the Kazlıçeşme-Söğütlüçeşme subway starts from Kazlıçeşme and 4 from Kağıthane. to connect to levent. This line of 20 kilometers will include the 13 stall. 2. stage work is 4. Levent will be connected to Rumeli Hisarı and will be connected to the Rasathane from under the sea to Ümraniye and Ataşehir via Söğütlüçeşme. To the subway will be built tube passage under the 30 meter of the sea floor. This will even consist of 20 kilometers and will be located at the 10 stall.