Early 20th century
The evolution of public transport in Athens is closely related to urban growth and the need for transit. Both started taking place in the beginning of the 20th century.
Initially, the Greek State had granted licenses to private bus owners, in order to carry out Athens public transport.
Private bus operators organize six Joint Bus Receipts Funds (KTEL).
The Electric Railway line is extended to Kifissia. The Electric Railway line.
2004 - OLYMPIC & PARALYMPIC GAMES ``ATHENS 2004``
Law 3920/2011 “Consolidation, Restructuring and Development of Urban Transportation in Attica Region and Other Provisions” (A33) is enacted.
According to the provisions of Law 3920/2011:
(a) Company ETHEL S.A. (buses) merges with company ILPAP S.A. (trolley buses) with the latter absorbed by the former and renamed to “ROAD TRANSPORT S.A.” (“O.SY.”).
(b) AMEL S.A. (subway) merges with ISAP S.A. (electric railway) and TRAM S.A. (tram) with the two latter being absorbed by the former and renamed to “URBAN RAIL TRANSPORT S.A.” (“STA.SY.”).
Sole shareholder of O.SY. S.A. and STA.SY. S.A. is O.A.S.A. S.A.