The Kifisias railway station is a railway station located on Kifisias Avenue in Marousi, Greece. The station is served by Proastiakos trains. It is on the Athens Airport–Kiato railway line. It was first opened on July 30, 2004. It is located in the middle of Motorway 6, at the interchange of Kifisias Avenue. As of 2013 the station is served by three trains per hour to the airport, two to Ano Liosia and one to Kiato.