M7 (Istanbul Metro)

The M7, officially referred to as the M7 Yıldız–Mahmutbey metro line (M7 Yıldız–Mahmutbey metro hattı) 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.

On 20 December 2013, the line was commissioned to Kalyon Group for construction. The groundbreaking ceremony was held on 9 February 2014. The line is 20 km long with 17 stations.

The line is divided into three phases. Currently, it is partly in service. The section between Mecidiyeköy and Mahmutbey was inaugurated on 28 October 2020. The Mecidiyeköy - Kabataş and Mahmutbey - Esenyurt Meydan phases are still under construction, and there is also a planned  extension between the stations Esenyurt Meydan - Saadetdere.

When fully completed, the M7-line will be connecting twelve districts of the Istanbul metropolitan area, namely Beyoğlu, Beşiktaş, Şişli, Kağıthane, Eyüp, Gaziosmanpaşa, Esenler, Bağcılar, Küçükçekmece, Avcılar, Başakşehir and Esenyurt. It is projected that 300 cars of driverless metro trains will carry about one million passengers daily. The total travel time will be 31.5 minutes between the termini. The M7 line costs TRY 3.7 billion (approx. US$1 billion). 

It was opened on 2 January 2023 as a shuttle between Mecidiyeköy and Yıldız. When the Kabataş stage is opened, the direct line will continue to the shuttle operation place. From Mecidiyeköy, one platform goes to Mahmutbey direction, the other platform goes to Yıldız direction.

Trains run on the Mecidiyeköy - Mahmutbey section every 6 minutes, and on the Yıldız - Mecidiyeköy section every 12 minutes.

M7 Mecidiyeköy - Mahmutbey section
Şişli/Mecidiyeköy - Mahmutbey section opened on 28 October 2020, the Şişli/Meciyeköy - Mahmutbey section of the M7-line serves 15 metro stations across six districts of the Istanbul City. The line is 18 km long. The combined length of the entire metro system in Istanbul has thus reached 172.25 km. The line is the second in automatic train operation (ATO) of Istanbul after the M5 Üsküdar–Çekmeköy line, and the first ATO line on the European side of the city. All stations have platform screen doors, opening only when the train is stopped at the platform.