Line A4 (Athens Suburban Railway)

Line A4 is an Athens Suburban Railway line in Athens, Greece, managed by Hellenic Train. The service connects Piraeus with the coastal city of Kiato. The line shares a part of its course with lines A1 and [Line Line A3 (Athens Suburban Railway)|A3 (Athens Suburban Railway)|A3] as well as Metro line 2, but also with line A3 at Ano Liosia. The first Suburban line was inaugurated on 30 July 2004, using 17 OSE Class 560 DMUs between Larissa Station and the Airport. With the completion of the electrification of the sections of the line to Athens in 2017 and Piraeus in 2018. The line now exclusively uses OSE class 460 EMUs rolling stock.

History

An indirect standard gauge train service between and started on 27 September 2005 after seven months of testing, with the extension to following on 9 July 2007. The service initially used Class 560 diesel multiple units, and had to reverse at.
The first direct trains between and Kiato, which did not have to reverse at Nerantziotissa, ran on 6 July 2008. From 12 December 2010 to 29 July 2017, electric train services using Class 460 electric multiple units were introduced between Kiato and the Airport, forcing passengers heading to and from Piraeus and Athens to change at for the diesel service to the cities.
Direct services between Athens and Kiato were restored with the electrification of the Piraeus–Platy railway from to Athens on 30 July 2017, and then to Piraeus on 1 February 2018, when the last diesel services on what is now Line A4 ceased.

Route

On the Piraeus–Platy segment, Lines A1 and A3 shares the route up to Piraeus and Athens respectively, but Line A3 does not stop at and.

Stations

The spelling of the station names on this table, in English and Greek, are according to the signage.

†	Terminal station
#	Interchange station

Station English	Station Greek	Regional unit	Opened	Interchanges and notes	Position
^†#	Πειραιάς	Piraeus	30 June 1884 rebuilt 2007	Interchange with Athens Metro Line 3.
	Λεύκα	Piraeus	30 June 1884 rebuilt 2007
	Ρέντης	Piraeus	30 June 1884 rebuilt 2007
Tauros	Ταύρος	South Athens	1 October 2014	This station opened after the original route.
	Ρουφ		30 June 1884 rebuilt 2007
Athina ^#	Αθήνα	Central Athens	8 March 1904	Interchange with Hellenic Train, and Athens Metro Line 2 at Larissa Station.
^#	Άγιοι Ανάργυροι	West Athens	8 August 2010	Interchange with Line A3 to. This station opened after the original route.
	Πύργος Βασιλίσσης	West Athens	27 February 2014	This station opened after the original route.
Kato Acharnai ^#	Κάτω Αχαρναί	East Attica	27 February 2014	Interchange with Line A1 to. This station opened after the original route.
	Ζεφύρι	West Attica	10 May 2018	This station opened after the extension to Corinth.
^#	Άνω Λιόσια	West Attica	18 July 2006	Interchange with Line A2 to. This station opened after the extension to Corinth.
	Ασπρόπυργος	West Attica	18 July 2006	This station opened after the extension to Corinth.
	Μαγούλα	West Attica	18 July 2006	This station opened after the extension to Corinth.
	Νέα Πέραμος	West Attica	27 September 2005
	Μέγαρα	West Attica	27 September 2005
Kinetta	Κινέττα	West Attica	27 September 2005
Agioi Theodori	Άγιοι Θεόδωροι	Corinthia	27 September 2005
Korinthos	Κόρινθος	Corinthia	27 September 2005
	Ζευγολατιό	Corinthia	8 July 2012	This station opened after the extension to Kiato.
^†#	Κιάτο	Corinthia	9 July 2007	Interchange with the regional train to.