Istanbul Monorail was a proposed monorail mass transit system in Istanbul, Turkey.
The monorail line would have been between Küçükçekmece and Baà Âakà Âehir via Sefaköy. The length of the line was proposed to be and the total travel time between the termini would have taken 27 minutes, with a capacity of carrying hourly 15,000 riders in one direction. 30 trains were planned with 17 monorail stations, such as Sefaköy, Armoni Park, Borusan, Sanayi, Gümrük Yolu, Halkalñ Merkez, Toki-1, Toki-2, Arena Park (Atakent), Masko, Ziya Gökalp, Atatürk Oto Sanayi 1, Atatürk Oto Sanayi 2, Baà Âakkonutlarñ, Onurkent, Oyakkentand Fatih Terim Stadium. The monorail line would have connected to metro lines of Kirazlñ-Halkalñ at Halkalñ Merkez station, of Yenikapñ-ðncirli-Sefaköy-Beylikdüzü at Sefaköy, of Mahmutbey-Bahçeà Âehir-Esenyurt at Arena Park and of Otogar-BaÃÂcñlar-Baà Âakà Âehir at Baà Âakà Âehir Konutlarñ station.
The project was governed by Istanbul Metropolitan Municipality. The tender for the construction of the monorail system was won by Alsim, a subsidiary of Alarko Holding. It was reported that the construction would begin in April 2017. The completion of the project was expected for the first half of 2019. The construction cost was budgeted to 1.292 billion (approx. US$ 350 million).
The project was cancelled in 2017.