Most efficient metro
5 cities of Turkey have metro lines: Istanbul, Ankara, Izmir, Bursa and Adana.
Izmir Metro is running with very high efficiency, having carried 95 million passengers in 2018 in 20 km long line.
Istanbul metro lines are 106 km long in total and had carried 470 million passengers in 2018.
Bursa’s line is LRV rather than metro, has less capacity but much cheaper to build. Despite this, 86 million passengers were carried in this 39-km-long line.
Ankara metro lines (including Ankaray) is 65-km long in total. 140 million passengers were carried in 2018 on metro lines of Ankara.
Categories: Urban Transport
Rail Turkey En 
Has Gaziray actually opened? Surprised to see Gaziantep in the tables
No, not opened yet.. However Gaziantep also has tram lines..