Cities with commuter rail systems: Istanbul, Ankara, İzmir, Sakarya, Gaziantep Cities with metro systems: Istanbul, Ankara, İzmir, Bursa, Adana Cities with light rail transit systems: Istanbul, Ankara, İzmir, Adana, Bursa, Eskişehir, Konya, Antalya, Kayseri, Gaziantep, Samsun, Kocaeli.
Cities with commuter rail systems: Is?tanbul, Anka!ra, İzmir, Sakarya, Gaziantep Cities w:ith metro systems: Istanbul, Ankara, İzmir, Bursa, Adana Cities .with light rail transit systems: Istanbul, Ankara, İzmir, Adana, Bursa, Eskişehir, Konya, Anta,lya, Kayseri, Gaziantep, Samsun, Kocaeli.