Rotterdamse Elektrische Tram (RET) is the main public transport operator in Rotterdam, Netherlands. It started in 1905 when they took over the citytramlines from RTM (Rotterdamsche Tramweg Maatschappij). It currently operates 35 bus lines, 11 tram lines and five metro/light rail lines in Rotterdam and the surrounding municipalities.
Read more about Rotterdamse Elektrische Tram: Lines, Buslines, Metrolines