The Istanbul Metro is a rapid transit railway network that serves the city of Istanbul, Turkey. Apart from the M11 line, which is operated by TCDD Taşımacılık, the system is operated by Metro Istanbul, a public enterprise controlled by the Istanbul Metropolitan Municipality. The oldest section of the metro is the M1 line, which opened in 1989. As of January 2024, the system now includes 138 stations in service, with 55 more under construction.
The M3, officially referred to as the M3 Kirazli–Kayaşehir Merkez Metro Line, is a 18-kilometre (11 mi), 13-station rapid transit line of the Istanbul Metro system on the European part of Istanbul, Turkey. It operates between Kirazlı-Bağcılar, extending the service of the M1B line from Yenikapı, to Kayaşehir Merkez. The M3-line is colored light blue on station signs, route signs and the official rapid transit network map.
The M7, officially referred to as the M7 Yıldız–Mahmutbey metro line is a rapid transit line of the Istanbul Metro system on the European part of Istanbul, Turkey. It is colored light pink on the maps and route signs. It is the first driverless rapid transit line of the European side of Istanbul.
Mahmutbey is an underground station on the M3 and M7 lines of the Istanbul Metro in Bağcılar, Istanbul. The station is located beneath Bosna Avenue in the Göztepe neighborhood of Bağcılar. Mahmutbey was opened on 14 June 2013 along with the Kirazlı-MetroKent portion of the M3.
Kağıthane is an interchange station on the M7 and M11 lines of the Istanbul Metro. The M7 platform located above ground on the metro viaducts crossing the Kağıthane Creek, while the M11 platform is in underground. The M7 platform of the complex opened in 28 October 2020, and the M11 platform opened in 22 January 2023.
Dudullu is an underground station on the M5 and M8 lines of the Istanbul Metro in Ümraniye. The station is located on Alemdağ Street in the Yukarı Dudullu neighborhood of Ümraniye. Connection to IETT city buses is available at street level.
Çağlayan is an underground station on the M7 line of the Istanbul Metro in Kağıthane. The station is located on Abide-i Hürriyet Street in the Çağlayan neighborhood of Kağıthane.
Nurtepe is an underground station on the M7 line of the Istanbul Metro in Kağıthane. The station is located on Sokollu Street in the Nurtepe neighborhood of Kağıthane.
Alibeyköy is a metro station on the M7 line of the Istanbul Metro in Eyüpsultan. The station is located on Atatürk Street in the Alibeyköy neighborhood of Eyüpsultan.
Yıldız is an underground station on the M7 line of the Istanbul Metro in Beşiktaş. The station is located on Barbaros Boulevard in the Yıldız neighborhood of Beşiktaş. With a depth of 71 meters, it is the second deepest station in the Istanbul Metro system, after the M11's Gayrettepe station.
Fulya is an underground station on the M7 line of the Istanbul Metro in Beşiktaş. The station is located on Gönenoğlu Street in the Gayrettepe neighborhood of Beşiktaş. Unlike the name suggests, it is not located in or nearby the Fulya neighborhood of Şişli.
Veysel Karani–Akşemsettin is an underground station on the M7 line of the Istanbul Metro. It is located on Atatürk Boulevard in the Akşemsettin neighbourhood of Eyüp. It was opened on 28 October 2020.
Çırçır is an underground station on the M7 line of the Istanbul Metro. It is located on Atatürk Boulevard in the Çırçır neighbourhood of Eyüp. It was opened on 28 October 2020.
Yeşilpınar is an underground station on the M7 line of the Istanbul Metro. It is located on Atatürk Boulevard in the Yeşilpınar neighbourhood of Eyüp. It was opened on 28 October 2020.
Kâzım Karabekir is an underground station on the M7 line of the Istanbul Metro. It is located at the intersection of Abdi İpekçi Street and Hekimsuyu Street in the Kâzım Karabekir neighbourhood of Gaziosmanpaşa. It was opened on 28 October 2020.
Karadeniz Mahallesi is an underground station on the M7 line of the Istanbul Metro. It is located at the Old Edirne Asphalt in the Karadeniz neighbourhood of Gaziosmanpaşa. It was opened on 28 October 2020. Connection is available to the T4 line of the Istanbul Tram.
Giyimkent–Tekstilkent is an underground station on the M7 line of the Istanbul Metro. It is located on Giyimkent Street in the Oruçreis neighbourhood of Esenler. It was opened on 28 October 2020.
Oruç Reis is an underground station on the M7 line of the Istanbul Metro. It is located on Barbaros Street in the Oruçreis neighbourhood of Esenler. It was opened on 28 October 2020.
Göztepe Mahallesi is an underground station on the M7 line of the Istanbul Metro. It is located on the O-3 Southern Byway in the Göztepe neighbourhood of Bağcılar. It was opened on 28 October 2020.
Bahariye is an underground station on the M9 line of the Istanbul Metro. It is located on Şehit Albay Rıdvan Özden Street in the Memet Akif neighbourhood of Küçükçekmece. It was opened on 29 May 2021, and is the current southern terminus of the line.
M7 
İETT Bus: 36CE, 36ES, 38, 38E, 38G, 38KT, 38M, HT5 
Istanbul Minibus: Gaziosmanpaşa - Esentepe, Cebeci Mahallesi - Topkapı