3 Multi-Storey Istanbul Tunnel Project Goes to Tender

multi-storey big tunnels project is going to tender
multi-storey big tunnels project is going to tender

Cahit Turhan, Minister of Transport and Infrastructure, under the Bosphorus of Istanbul 3 Storey of the Great Istanbul Tunnel completed the project design activities, he said. Highway and metro network will be used jointly with the Great Istanbul Tunnel Project, BID model will be announced after the decision of the Presidency.

(SabahAccording to Barış Şimşek; Cah Cahit Turhan, Minister of Transport and Infrastructure, stated that the design activities of the 3 Storey Greater Istanbul Tunnel, which will pass under the Bosphorus, have been completed, “The protocol of the subway and highway section has been prepared. After the presidential decision, we will announce the tender with the BOT model. ”

Turhan said that the highway section of the tunnel will be connected to Hasdal Junction (European Side) starting from Çamlık Junction (European Side) and the total length will be 16 kilometers and 2 × 2 roads. Turhan said:

“The rail system is located between Söğütlüçeşme-İncirli and 30.2 km. and 15 station. The tunnel section under the Bosphorus is designed as a TBM tunnel with a diameter of approximately 16.8 meters and designed as 2 storey with the double line subway at the bottom and the 2 × 3 highway in the upper two sections. ”

Turhan noted that the geophysical survey and bathymetric surveys in the Bosphorus have been completed and added, güney South and north alternatives were identified on two ridges located near the launch corridor and geological sections were extracted for the Bosphorus floor. Tunnel is also placed so that the base of the tunnel is at -130 meter. The data was shared with the TBM manufacturers (Herrenknecht, Hitachi, Terratec).


Turhan is one of the metro stations that will facilitate access to Istanbul Airport. Halkalıwill be opened in 2022'de said. 13 will be at Istanbul Airport as of June; 21 thousand 709 domestic flights, 60 thousand 172 international flights, total 81 thousand 881 thousand traffic that records Turhan, "In total, 12 million 310 thousand 773 passengers were entertained," he said.


Expressing that the airport can be reached by the 2 × 3 lane road, which is built over the Hasdal-Kemerburgaz-Göktürk-Işıklar road on the highways, Turhan said, ık We opened the temporary connection on Çatalca Ring Road in 16 Mart. We will open the whole service this weekend. ”


The tender for the Great Istanbul Tunnel project, which will be constructed for the first time in the world with 3 storey tunnel section, is planned to be launched in December. As the continents of Asia and Europe are connected together for the first time in the world, Istanbul traffic will take another breath.

In 2015, the 3 multi-storey tunnel project, announced to the public by President Recep Tayyip Erdoğan for the first time, will be used jointly by the road and metro network. With 3 deck tunnel design; instead of passing the Bosphorus twice, it will be possible to save thousands of meters of tunnel construction cost and time, as well as an economical and practical solution.


15 July The metro tunnel required by the Martyrs Bridge axis and the road tunnel required by Fatih Sultan Mehmet Bridge will be combined and passed through a single tunnel. With this project, Istanbul will have a subway system that can become a worldwide model. In total 6.5 station, which will be used by 10 million people per day, 9 different rail system will be connected to each other by express subway.

Istanbul's three airports will be connected by rail system. Istanbul's most moving axis, Incirli-Topkapi-Okmeydanı-Mecidiyeköy-Altunizade-Söğütlüçeşme axle will bring relief with the rail system. The project is planned to be called for a tender in December and the tender is planned to be held early next year. With the project, which will be 30.2 km for rail cutting line and 16 km for highway cutting, Istanbul traffic will take a breath.


29 May 2017 has begun the survey project studies for the work that is planned to be auctioned with Build-Operate-Transfer model. The study project 7 will be delivered in December.

Big day on the giant project! 3 multi-storey tunnel goes to tender
Deep sea drillings have also been completed at the points determined by Geophysical Survey and Bathymetric Map Acquisition in Istanbul Strait.

Current Railway Tender Calendar

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