Istanbul Metro M3 was extended from Kirazli to Bakirköy Sahil on March 10
https://www.urbanrail.net/as/tr/istanbul/istanbul.htm
With this opening, Line M3 can be transferred from Line M1a and Suburban railway.
As I introduced a few weeks ago, Line U3 opened in Istanbul.
So, construction of urban and suburban rails in Istanbul is in prosperity.
