Trains serve these important districts of Istanbul: Kadıköy, Maltepe, Kartal, Pendik, Tuzla as well as Gebze, İzmit and Adapazarı.
The route traverses the southern shore of Istanbul's Asian side, passing through important districts: Kadıköy, Maltepe, Kartal, Pendik and Tuzla.
The band takes its name from a train named Kurtalan Express, which travels between Kurtalan and Haydarpaşa.