M11 Gayrettepe–Istanbul Airport–Halkalı | |
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![]() Istanbul Airport Station | |
Overview | |
Status |
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Owner | Ministry of Transport and Infrastructure |
Line number | M11 |
Locale | Istanbul, Turkey |
Termini |
|
Stations | 16 |
Service | |
Type | Rapid transit |
System | Istanbul Metro |
Services | 1 |
Operator(s) | TCDD Taşımacılık |
Depot(s) | Taşoluk |
Rolling stock | 176 CRRC Zhuzhou[1] |
History | |
Opened |
|
Technical | |
Line length | 69 km (43 mi) |
Number of tracks | 2 |
Character | Airport express, underground |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Loading gauge | UIC standard gauge |
Minimum radius | 200 metres (660 ft) |
Electrification | Overhead line, 1,500 V DC |
Operating speed | 120 km/h (75 mph) |
Line M11, officially referred to as the M11 Gayrettepe–Istanbul Airport–Halkalı Metro Line (Turkish: Gayrettepe–İstanbul Havalimanı–Halkalı Metro Hattı), is a line of the Istanbul Metro. As of March 2024[update], it is operational between Gayrettepe and Arnavutköy Hastane via Istanbul Airport.[2][3] The line is currently 51.5 km (32.0 mi) long, making it the longest line in the Istanbul Metro. The M11 is entirely underground, making it the second longest continuous subway tunnel in Europe, behind the Moscow Metro's Bolshaya Koltsevaya line.