According to the decision signed by President Recep Tayyip Erdoğan, Başkentray, Marmaray, İZBAN, the Sirkeci-Kazlıçeşme Rail System Line, and the Gayrettepe-Istanbul Airport-Arnavutköy Metro Line will provide free service on Tuesday, July 15, in observance of the July 15 National Unity Day.
Additionally, the Halkalı-Arnavutköy Metro Line will be free of charge until July 31, 2026, to mark its opening.
News Source: 12punto