Total length – 15.3 kilometers (9.5 mi)[3] Number of stations – 22[3] Opened – 12 September 2007[3] Operating hours – 6.00 A.M. to Midnight[3] Frequency – 5 minutes (peak hour)[3] Daily passengers – 95,000[3] Fare – TL 2.30, for students: 1.15 TL[8]