Gebze Pendik, which is the continuation of the Gebze Köseköy line, which was closed for the High Speed Train Project, was brought to the fore in 3 due to the government's desire to bring the High Speed Train to Istanbul in Gebze Pendik, although the existing railroad is planned to be closed on 17 December 2012 in accordance with the Marmaray CR2013 contract. The closing date of the suburban line between Pendik has been determined as Sunday, 29.04.2012.
Railways Ports and Airports Construction General Directorate Within the scope of Marmaray Project Gebze Haydarpaşa and Kazlıçeşme Halkalı He explained the section closing dates of the inter-rail lines as follows. Tender winner Obrascon Huarte Lain (OHL) SA- Dimetronic SA 3 days after the contract start date of the joint venture on 2011 November 411 17 days 2012 December 595 Gebze Pendik, 19 days later 2013 June 503 Pendik İbrahimağa, 19 days later 2013 March XNUMX Halkalı The railway lines between Kazlıçeşme were planned to be closed by train traffic, and according to the work schedule, the Marmaray project was planned to be completed and put into service on June 18, 2015.
However, since the AKP government is willing and willing to bring a High Speed Train to Istanbul before the elections, a letter from the Ministry of Transport, Maritime Affairs and Communications, General Directorate of Infrastructure Investments, dated 17, numbered 2012-03.04.2012 / 140. with 99 months ago, on 5154.