Countdown started for Atakoy-Basin Ekspres Ikitelli Metro which connects the six regions. It consists of a 13.5 km line, a double tube tunnel and 12 stations, which will reduce travel time to 19.5 minutes. Istanbul Metropolitan Municipality Mayor Kadir Topbas participated in the installation work of the TBM machine which was used in the metro excavation and used giant drill at the construction work of Atakoy-Basin Ekspres Ikitelli Metro Building. It consists of a 13.5 km line, a double tube tunnel and 12 stations, which will reduce travel time to 1.9 minutes. 500 thousand passengers will be carried in a day. Kadir Topbas stated that the line, which has a capacity of carrying 500 thousand passengers per day and 45 thousand passengers per hour in one direction, will start from Atakoy Station in Marmaray and will be finished in Ikitelli Industrial Station, and said that the line will pass through 5 provinces. The line, which 2 million 660 thousand people who live in Bakirkoy, Bahcelievler, Bagcilar, Kucukcekmece and Basaksehir are interested in it, will also connect 6 important metro lines. Basaksehir - Olimpiyat Kirazli Metro Line, which Topbas stated that it will cost 338 million 272 thousand euros, is starting from Ikitelli Guney Sanayi Station and and will end at Atakoy Station, following a corridor parallel to the Basin Ekspres Connection Road linking TEM and D-100 Highway. 40 - 50 MILLION EURO PER KM It is a great power, money and courage," says Topbas, who claims that there is no ongoing construction of a 257 km metro anywhere in the world, adding that the cost of metro per km is around 40-50 million euros, excluding wagons. The tunnels of the metro line were opened by NATM and TBM methods. 4 TBM (Tunnel Excavation Machine - Mole) were used in the tunnels' excavations. Construction of 8 stations is also in progress. This line will cross with Marmaray in Atakoy, with Airport-Yenikapi Metro and Metrobus in Yenibosna, with completed Yenikapi-Sefakoy Metro in Cobancesme, with Kirazli-Halkali Metro, which its construction is continues, in Mimar Sinan Station, with Mahmutbay-Bahcesehir-Esenyurt Metro in Mehmet Akif Station, with Kirazli-Basaksehir Olimpiyat Metro in Ikitelli Sanayi Station according to the information given by Topbas, which attracted attention to the fact that when the line enters service, the Basin Ekspres Road traffic is taken to the metro system and the E-5 and TEM will relax.