In 1920 it became part Hellenic State Railways. On 31 December 1970 Hellenic State Railways ceased to exist; the next day all railways in Greece (with the exception of private industrial lines and E.I.S.) were transferred to Hellenic Railways Organisation S.A., a state-owned corporation. In 2009, with the Greek debt crisis unfolding OSE's Management was forced to reduce services across the network. Timetables were cut back and routs closed as the government-run entity attempted to reduce overheads. Services from Orestiada to Alexandroupoli were cut back to three trains a day, reducing the reliability of services and passenger numbers.
