RET

Rotterdamse Elektrische Tram ( RET)

is the main  public transport operator  in  Rotterdam,  Netherlands.

It started in 1905 when they took over the city tramlines from RTM (Rotterdamsche Tramweg Maatschappij). It currently operates 58  bus lines, 12  tram lines and five  metro/light rail lines in Rotterdam and the surrounding  municipalities .