Gayrettepe-3rd Airport metro (6)
This will be a fast line between Istanbul city center and new airport with a speed of 120 km/h and travel time of 30 minutes. Engineering works started in late 2016. It seems hard to catch the opening of new airport which is expected this year.
Bostanci-Dudullu metro (7)
This is the first vertical metro line in Asian side of Istanbul. Engineering works started in early 2016 and is expected to be completed in 2019.
Kaynarca-Sabiha Gokcen metro (8)
This line will connect Sabiha Gokcen airport in Asian side to metro system. Engineering works started in early 2015 and is expected to be completed in 2018.
Suspended metro projects
6 metro projects are suspended by Istanbul Metropolitan Municipality. The tenders were cancelled and will be renewed in the future. Here below are those 6 lines:
- Halkali-Kirazli metro (9)
- Mahmutbey-Bahcesehir metro (10)
- Basaksehir-Kayasehir metro (11)
- Goztepe-Umraniye metro (12)
- Cekmekoy-Sultanbeyli metro (13)
- Kaynarca-Tuzla/Pendik meto (14)