Istanbul Metropolitan Municipality plans to put the metro lines into service one by one in 2013. Eagle-Kadıköy, Ümraniye-Çekmeköy line and Marmaray, which will increase the rail transportation length of the city by 30 km, include Haliç Metro Crossing Bridge, Otogar-Bağcılar-Başakşehir-Olimpiyatköy, Kartal-Kaynarca and Yenikapı connections.
Metro works continue rapidly in Istanbul. Kartal- the first metro of the Anatolian sideKadıköy While test drives were carried out on the line, construction works started on the Üsküdar-Ümraniye-Çekmeköy line. With Marmaray, which is planned to open on October 29, 2013, the lines under construction in the city will also be completed. The lines, which the Istanbul Metropolitan Municipality (IMM) has undertaken, are planned to be put into service one by one in 2013.
Among the works that will increase the rail transportation length of the city by 30 kilometers, there are Haliç Metro Crossing Bridge, Bus Station-Bağcılar-Başak-city-Olimpiyatköy, Kartal-Kaynarca metro and Yenikapı connections. The test drives of the Otogar-Bağcılar-Başakşehir-Olimpiyatköy metro, which IETT started to build in 2003, would begin in 2008. The opening of the line, 89 percent of which was completed, was postponed to 5 with a delay of 2013 years. The tunnel constructions of the line transferred to IMM have been completely completed, while the railway, rail and switch works have been largely completed. In fact, 56 vehicles to work are waiting in the warehouse. The passenger capacity of the line, which is 21,6 kilometers long, is 70 thousand people per hour. 1998 percent of the Aksaray-Yenikapı connection line, tendered in 75, was completed. When the 700-meter-long line opens, a transfer will be made in Yenikapı and uninterrupted transportation will be provided to Gebze. Aksaray-Yenikapı connection line has a capacity of 35 thousand passengers per hour. Kartal- The construction of which is completed and test drives continue.Kadıköy The line will open in July 2012. Eagle-Kadıköy Passenger transportation on the metro will begin in July at the latest. The line will be extended to Kaynarca in 2013. With the addition of Yakacık, Pendik and Kaynarca stops, Kartal-Kadıköy the metro will be 26 kilometers long. The physical realization rate of Kartal-Kaynarca, which will have a capacity of 70 thousand passengers per hour, is 35 percent.
The construction of the Haliç Metro Crossing Bridge will also be completed in 2013. Haliç Metro Crossing Bridge, which brought the United Nations Educational, Scientific and Cultural Organization (UNESCO) to remove Istanbul from the World Heritage List, caused international discussions for a long time. The bridge, which was designed as a suspended system on the views that it will affect the historical silhouette of the city, was reduced from 82 meters in length to 50 meters at the beginning. With the completion of the Golden Horn Metro Crossing Bridge, whose construction was extended due to UNESCO's objections, the Taksim metro will reach Yenikapı by passing through Unkapanı. While the mounting of the carrier legs of the bridge continues, 47 percent of its physical realization is completed. 60 percent of the ongoing works between Taksim and Yenikapı have been completed. The total length of the line, which will have a capacity of 70 thousand passengers per hour, is 5,9 kilometers.