During the World War II German occupation the line was connected to the mainline of the Hellenic State Railways with a curve at Methonis street, allowing freight trains to access Keratsini Port.

Services continued in the 1960s, surviving the anti-tramway fashion of the era that resulted in the total closure of the Athenian and Piraeus metre gauge network owned by the Electric Company of Transports (in Greek Ηλεκτρική Εταιρεία Μεταφορών – Η.Ε.Μ.)

Between Tsorpatzoglou Square in Perama (where civilians should alight) and the Naval Base itself, most of the infrastructure, including the tracks, platform, shelter and masts, remains intact.

Plans are to re-instate the line and connect it to the modern Athens Tram system, running underground because the narrowness of the old right of way makes it unsuitable for laying double track on the surface, and because of the heavy motor vehicle traffic in the area.

The "little trains", as the locals affectionally called them, were stored and serviced in the depot located in the Hellenic Electric Railways premises, next to Piraeus station.

Some survive at various locations e.g. Kasomouli and Pikrodaphne tram stop used as rest places for the tramway drivers, STASY S.A. children's camp at Varybobi, Thission depot of ex ISAP, Greek Railway Museum but none are in good condition.