Athens–Piraeus Electric Railways was under consideration that would have been built in two phases, reaching Nea Erithrea by the end of the first phase and Agios Stefanos by the end of the second phase. Due to lack of funding, this extension was canceled in 2011. Athens–Piraeus Electric Railways I.S.A.P. or Athens–Piraeus Electric Railways (, "Ilektrikoi Sidirodromoi Athinon-Pireos") was the oldest urban rapid transit system of Athens metropolitan area in Greece. Opened as a suburban railway line connecting Athens with the nearby major port city of Piraeus, it was gradually converted to full rapid transit operations, making it one of the oldest metro lines
Port of Piraeus automobile terminal handled 430,000 automobiles, 100,000 for the local market and 330,000 transhipments. The Port of Piraeus is the largest passenger port in Europe and one of the largest passenger ports in the world. It has a total quay length of 2.8 km and draft of up to 11 m. Vehicle traffic reaches 2.5m while in 2017, passenger traffic reached 15.5m. A plethora of destinations in Greece can be reached by ferry from the harbour, including islands in the Saronic Gulf, the Cyclades, Crete, islands on the Northern Aegean Sea as well as Rhodes, amongst others. A full list can