Construction of the Gayrettepe–Istanbul New Airport Metro Line, and the Procurement, Installation and Commissioning of its Electromechanical Systems

The Gayrettepe–Istanbul Airport Metro Line is located in the northern part of Istanbul’s European Side, on an east–west axis. It passes through the Şişli, Kağıthane, Eyüp and Arnavutköy districts and consists of Gayrettepe, Kağıthane, Hasdal, Kemerburgaz, Göktürk, İhsaniye, Airport-2, Istanbul Airport Metro Station and Technical Support Area stations, respectively. These stations are connected with two main line tunnels, each with an inside diameter of 5.7 meters and a length of approximately 37.5 kilometers. The entire line is being built underground. The line’s planned train frequency is three minutes and the maximum operating speed is 120 kilometers/hour. Stations and the route are designed to facilitate the operation of 4- or 8-carriage metro trains. With this feature, it will be the first high-speed metro line in Turkey. Trains on this line are designed for driverless signalization. The Gayrettepe–Istanbul Airport metro line is approximately 37.5-kilometer-long and consists of 9 stations (1 bored tunnel and 8 cut-and-cover), 13 switches (4 cut-and-cover, 9 tunnel type switch structures), 10 service stations and four emergency escape shafts. The line starts from Gayrettepe Station and passes through Kağıthane, Hasdal, Kemerburgaz, Göktürk and İhsaniye Stations, respectively, before reaching Istanbul Airport. Around this area are the Airport-2 (Terminal-2 front), Istanbul Airport Metro Station (Main Terminal front) and Technical Support Zone (THY Support Services Campus) stations. The line is designed to ensure modern, comfortable and fast passenger and personnel transportation. Railway superstructure works continue on the lines where TBM production has been completed. While architectural works continue, stations’ reinforced concrete works are close to completion.

Employer: Republic of Turkey Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments
Location: Istanbul/TURKEY

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