3 is allocated 35 million liras for the Great Tunnel of Istanbul

3 million lira has been allocated for the 35-storey Grand Istanbul Tunnel survey: 3 million lira of the 35 million lira allocated for survey, project and engineering services in the 7.5-storey Grand Istanbul Tunnel Project will be spent this year.

As the first step in the 3-Storey Grand Istanbul Tunnel Project, which was tendered last year by the Ministry of Transport, Maritime Affairs and Communications, Infrastructure Investments, a budget of 35 million TL was allocated for survey, project and engineering services. Within the scope of the project, which is planned to spend 7 million 500 thousand liras this year, deep drilling works will be carried out on land and at sea, and ground data will be determined. Engineering projects are aimed to be completed within 1 year after the tender process.


The 3-Storey Grand Istanbul Tunnel, which will pass under the Bosphorus, will be constructed in accordance with the railroad, with both road and rail in one tube, with the two-lane tire on the top and bottom, including the arrival and departure.

It will pass under the Bosphorus

One leg of the project, which will be the first in the world in terms of tunnel size and scope, is the subway system starting from İncirli and extending to Söğütlüçeşme, and the second leg is the Çamlık Junction on the Anatolian side, starting from the Hasdal Junction on the TEM Highway axis in Europe and passing through the Bosphorus. It will consist of a 2 × 2 lane highway system connected to.

Will be over in five years

The tunnel will be integrated with 9 metro lines, TEM Highway, E-5 Highway and Northern Marmara Highway. With the introduction of the tunnel, which is planned to be completed in 5 years, it will be reached from Incirli on the European Side to Söğütlüçeşme on the Anatolian Side in approximately 31 minutes by the fast metro consisting of 14 stations with a length of 40 kilometers.

12 firm has been bidding

On the European side, it will be reached from Hasdal Junction on the Anatolian Side to Çamlık Junction in about 14 minutes. It is expected that 6,5 million passengers per day will benefit from the line. 12 companies submitted bids for the survey, project and engineering services of the project.

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