Line M13, officially referred to as the M13 Söğütlüçeşme–Yenidoğan line, is a rapid transit line of the Istanbul Metro system, currently being constructed in the Asian part of Istanbul, Turkey.

Built by the Istanbul Metropolitan Municipality, the line will be long with 16 stations, and is expected to go into service in 24 December 2026.

The tender of this project was cancelled on 3 January 2018. A plan to build the line was once again started in June 2023, with construction on the section between Emek and Yenidoğan beginning on 10 March 2024.

Stations NoStationDistrictConnectionsTypeNotes1SöğütlüçeşmeKadıköy・・İETT Bus: 2, 8E, 9K, 10B, 10E, 10G, 14AK, 14B, 14CE, 14ES, 14Y, 14ÇK, 14ŞB, 15SK, 15YK, 15ÇK, 17, 17L, 19ES, 19F, 19K, 19M, 19S, 19Y, 20D, 20K, ER1, ER2, FB1, FB2, GZ1, GZ2UndergroundKadıköy Municipality・Şükrü Saracoğlu Stadium2Şehir HastanesiİETT Bus: Dr. Süleyman Yalçın City Hospital3İETT Bus: 3A, 8E, 9K, 10E, 10G, 11T, 13M, 13Y, 14A, 14B, 14BK, 14ES, 15BK, 15ÇK, 15SK, 16A, 16B, 16C, 16F, 16KH, 16M, 16S, 16U, 16Y, 16Z, 17K, 17P, 18A, 18E, 18K, 18M, 18Ü, 18V, 18Y, 19, 19A, 19B, 19E, 19FK, 19H, 19T, 19Z, 20D, 20E, 20K, 20Ü, 21B, 21C, 21G, 21K, 21U, 129T, 130, 130A, 130Ş, 202, 251, 252, 319, 320A, E-10, E-11Göztepe Mosque4LibadiyeÜsküdarİETT Bus: Emaar Square Mall5Gençlik ParkıİETT Bus: Gençlik Park6FinanskentÜmraniye・ (Finans Merkezi)İETT Bus: 8K, 8Y, 11M, 13B, 13H, 13M, 13Y, 14BK, 19FS, 20D7AtaşehirAtaşehirİETT Bus: 8ŞerifaliÜmraniyeİETT Bus: Turgut Özal Boulevard9İETT Bus: 14A, 14AK, 14CE, 14S, 14T, 14TM, 14ÇK, 14ŞB, 19D, 19E, 19EK, 19ES, 19S, 19SB, 19V, 320İMES・Dudullu Organized Industrial Site10EsenkentİETT Bus: Kadosan Auto Industry Site↑↑ Under Planning ↑↑11EmekSancaktepeİETT Bus: UndergroundSancaktepe Martyr Prof. Dr. İlhan Varank Hospital12İETT Bus: 11,11SA, 11V, 11ÜS, 14, 14YK, 19A, 19EK,Ü 19S, 19SB, 122H, 122V, 131, 131A, 131B, 131C, 131H, 131K,131Y, 131Ü, 132YM, 522B, 522ST, 622, UM60, UM61, UM73Sancaktepe Governorship13AydınlarÇekmeköyİETT Bus: Sultangazi Avenue・Demokrasi Avenue14CumhuriyetİETT Bus: Turgut Özal Avenue15YenidoğanSancaktepeİETT Bus: Yenidoğan Anatolian High School

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