M11 (Istanbul Metro)

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M11 Gayrettepe–Istanbul New Airport
Istanbul M11 Line Symbol.png
2017 1030 Istanboel int 3JPG.jpg
The northern terminus of the line, the Istanbul New Airport.
TypeRapid transit
SystemIstanbul Metro
StatusUnder construction
LocaleIstanbul, Turkey
Istanbul New Airport
Line numberM11
OwnerIstanbul Metropolitan Municipality
Operator(s)Metro Istanbul A.Ş.
Line length37.2 km (23.1 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8 12 in) standard gauge
Electrification1,500 V DC Overhead line
Operating speed120 km/h (75 mph)

Line M11, officially referred to as the M11 Gayrettepe–Istanbul New Airport Line (Turkish: Gayrettepe-İstanbul Yeni Havaalanı Metro Hattı), is a rapid transit line of the Istanbul Metro, currently under construction in Istanbul, Turkey. The line is currently planned to open in August 2021.[1]

The purpose of this line is to provide direct and quick access from the Istanbul New Airport in Arnavutköy to Levent, Istanbul's main commercial center. Unlike other metro lines, the M11 will be a limited stop service, meaning that stations will be spaced further apart. This is most noticeable towards the line's southeastern end, where the M11 will only have only two stations within Istanbul's urban area; Gayrettepe and Kağıthane.

It will have two branches, one from Gayrettepe to Istanbul New Airport line and the second from Halkalı to Istanbul New Airport line. The first leg of the rapid transit line will be 37.2 km (23.1 mi) long with nine stations. The travel time between the end stations will be 30 minutes at a maximum speed of 120 km/h (75 mph).[2] The line will run through three districts of Istanbul, namely Şişli, Eyüp and Arnavutköy. It is expected that both lines will carry annually around 94 million passengers. The M11 line will connect to other rapid transit lines at Gayrettepe station to M2 Yenikapı–Hacıosman and at the airport to the high-speed train line.[3]

The investment budget of the construction is € 999.8 million. The Turkish construction consortium Kolin-Şenbay won the tender for the building of the metro line in December 2016. The line was not scheduled to be completed before the airport's official October 29, 2018 airport opening.[2]


The M11 has a total of nine stations. Out of these nine, only two are within the Istanbul's urban area.

M11 Gayrettepe-Istanbul New Airport
Station District Opened Connections
Gayrettepe Handicapped/disabled access Şişli (2020) Metro interchange Istanbul Metro: M2
Bus rapid transit Metrobus: 34, 34BZ, 34G, 34AS, 34A, 34Z
Bus interchange İETT Bus: 25G, 27E, 27SE, 29, 29A, 29C; 29D, 29İ, 29P, 36L, 40B, 41E, 42, 42M, 42Z, 43R, 49Z, 58A, 58N, 58S, 58UL, 62, 62G, 63, 121BS, 125, 559C, D2, U1
Kağıthane Handicapped/disabled access Kağıthane (2020) Metro interchange Istanbul Metro: M7
Bus interchange İETT Bus: 62, 63, 65A, 65G
Kemerburgaz Handicapped/disabled access Eyüp (2020)
Göktürk Handicapped/disabled access (2020)
Işıklar Otogar Handicapped/disabled access (2020)
İhsaniye Handicapped/disabled access (2020)
New Airport Terminal 3 Handicapped/disabled access Arnavutköy (2020) Bus interchange İETT Bus: N/A
New Airport Terminal 2 Handicapped/disabled access (2020) Bus interchange İETT Bus: N/A
New Airport Terminal 1 Handicapped/disabled access (2020) Mainline rail interchange TCDD Taşımacılık: Yüksek Hızlı Tren
Bus interchange İETT Bus: N/A


  1. ^ https://www.railwaygazette.com/transport-and-mobility-projects/istanbul-airport-metro-tracklaying-begins/55583.article
  2. ^ a b "3. Havalimanı'na Metroyu Şenbay ve Kolin götürecek". Yeni Şafak (in Turkish). 2016-12-03. Retrieved 2017-08-15.
  3. ^ "3. Havalimanı metro hattında ihale yapıldı". Habertürk (in Turkish). 2016-05-20. Retrieved 2017-08-14.