Proastiakos

High Quality Content by WIKIPEDIA articles! Proastiakós (Greek: Προαστιακός), is the name used for the suburban (commuter rail) services of TrainOSE, servicing Greece's three largest cities: Athens, Thessaloniki and Patras; providing them with modern commuter rail links, towards their suburbs and also towards other cities and towns located around them. The service, operated by TrainOSE uses infrastructure of the Hellenic Railways Organisation (OSE).