Line M11, officially referred to as the M11 Gayrettepe–Istanbul Airport–Halkalı Metro Line ( tr, Gayrettepe-İstanbul Havalimanı-Halkalı Metro Hattı), is a

rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be ...

line of the

Istanbul Metro The Istanbul Metro ( tr, İstanbul metrosu) is a rapid transit railway network that serves the city of Istanbul, Turkey. It is operated by Metro Istanbul, a company (formerly known as ''İstanbul Ulaşım A.Ş.'' before 2016), a public enterpris ...

, currently under construction in

Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...

. The Kağıthane —

Istanbul Airport Istanbul Airport ( tr, İstanbul Havalimanı, ) is the main international airport serving Istanbul, Turkey. It is located in the Arnavutköy district on the European side of the city. All scheduled commercial passenger flights were transfer ...

portion of the line is currently planned to open in January 2023. The purpose of this line is to provide direct and quick access from the

in Arnavutköy to

Levent Levent is a neighbourhood and one of the main business districts of Istanbul, Turkey, located on the European side of the city. It is a part of the municipality of Beşiktaş and is situated to the north of the Golden Horn, at the western s ...

, Istanbul's main commercial center and to Halkalı, one of the city's most important train stations. 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 southern ends, where the M11 will only have seven stations within Istanbul's urban area: Halkalı, Tema Park, Olimpiyat, Kayaşehir and Fenertepe in the west and Gayrettepe and Kağıthane in the east. It will have two legs, one from Gayrettepe to Istanbul Airport line and the second from Halkalı to Istanbul Airport line. The first leg of the rapid transit line will be long with nine stations. The second leg of the line will be long with seven stations, in a total of with sixteen stations. The travel time between the end stations will be 60 minutes at a maximum speed of . The line will run through five

districts of Istanbul This is a list of districts of Istanbul in Turkey ( tr, İstanbul'un ilçeleri) as of 31 December 2021. The number of the districts increased from 32 to 39 shortly before the 2009 local elections. Population Historical information Pe ...

Şişli Şişli () is one of the 39 districts of Istanbul, Turkey. Located on the European side of the city, it is bordered by Beşiktaş to the east, Sarıyer to the north, Eyüp and Kağıthane to the west, and Beyoğlu to the south. In 2009, Şiş ...

, Eyüpsultan, Arnavutköy,

Başakşehir Başakşehir is one of the 39 second-level districts in Greater Istanbul, Turkey. The population of Başakşehir is 311,095 as of 2012. It is in the European part of Istanbul. History Former name of the area was Azatlık. The area specialized ...

and

Küçükçekmece Küçükçekmece (; meaning “small-drawer”, from much earlier ''Rhagion'' and ''Küçükçökmece as “little breakdown''" or “''little depression''”, in more ancient times just as Bathonea), is a suburb and district of Istanbul, Turke ...

. It is expected that the line will carry annually around 94 million passengers. The M11 line will connect to other rapid transit lines:

Marmaray The Marmaray () is a intercontinental commuter rail line in Istanbul, Turkey. A rail tunnel running under the Bosphorus strait was connected to an upgraded version of the old suburban train service (known as the banliyö), allowing trains ...

, M1, M2, M3, M7 (twice), M9 and at the airport to the high-speed train line. 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.

Stations

The M11 has a total of sixteen stations. Out of these sixteen, only seven are within the Istanbul urban area.

References

Istanbul Metro Transport infrastructure under construction in Turkey Şişli Eyüp Arnavutköy, Istanbul 2023 in rail transport Airport rail links in Turkey {{Istanbul-metro-stub