Hellenic State Railways or SEK (, Sidirodromi Ellinikou Kratous; Σ.Ε.Κ.) was a Greek public sector entity (legal person of public law, ) which was established on 18 March 1920 by the law 2144/20 and operated most Greek railway lines until 1970.
History
The Hellenic State Railways took over the standard gauge railway line from Piraeus to Papapouli at the pre-1912 borders, the extension from Papapouli to Platy and most of the former Ottoman railway lines that were within the Greek borders after 1919. These lines were:
After World War II the Hellenic State Railways absorbed most other Greek railways, including:
Only Ellinikoi Ilektrikoi Sidirodromoi (E.I.S., later Athens-Piraeus Electric Railways), operator of Piraeus-Kifissia railway and Piraeus-Perama light railway, and the private mining and industrial lines remained independent.
The Hellenic State Railways existed until December 31, 1970. On 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.
- Piraeus, Demerli & Frontiers Railway, also known as Larisaikos
- Part of the former Thessaloniki & Monastir Railway ( or SM)