3 lines (A, B and C) on the east–west line, and two (D and E) on the north–south line. Line E (Randstadrail) connects Rotterdam with The Hague as of December 2011. Tram The Rotterdam tramway network offers 9 regular tram lines and 4 special tram lines with a total length of . Service Tramlines in Rotterdam : 2: (Rotterdam) Charlois – Rotterdam Lombardijen NS – (Rotterdam) Keizerswaard (runs only to the southern part of the city) 4: (Rotterdam) Molenlaan – Rotterdam Centraal – (Rotterdam) Marconiplein 7: (Rotterdam) Oostplein – Rotterdam Centraal – (Rotterdam) Willemsplein 8: (Rotterdam) Spangen – Rotterdam Centraal – (Rotterdam) Kleiweg 20: Rotterdam Centraal – Rotterdam Lombardijen NS – (Rotterdam) Lombardijen 21: (Schiedam) Woudhoek – Station Schiedam Centrum – Rotterdam Centraal – (Rotterdam) De Esch 23: (Rotterdam) Marconiplein – Rotterdam Centraal – (Rotterdam) Beverwaard 24: (Vlaardingen) Holy – Station Schiedam Centrum – Rotterdam Centraal – (Rotterdam) De Esch 25: (Rotterdam) Schiebroek – Rotterdam Centraal – (Barendrecht) Carnisselande Special tram lines: 10: Historical tram line, only runs in summer and throughout the whole city for tourist information. Using historical Rotterdam Trams from the year 1931. 18: Tramline from Rotterdam Central Station towards Park, runs only at the Dunya Festival and during the Rotterdam World Port Days. 12: Rotterdam Centraal – Stadion Feyenoord or Rotterdam Centraal – Het Kasteel ('The Castle', Sparta Stadium). Football tramline, only for big fixtures at Stadion Feyenoord or Het Kasteel. Snert-tram: Historical tram, only in winter as a tourist tram through Rotterdam. Passengers are provided with a cup of "snert"; Rotterdam dialect for erwtensoep (pea soup). Rolling stock is a historical Rotterdam tram from 1968. IJsjes-tram: Summer version of the snert tram, providing tourists with ice cream rather than pea soup. Bus Rotterdam offers 55 city bus lines with a total length of . RET runs buses in the city of Rotterdam and surrounding places like Barendrecht, Ridderkerk, Rhoon, Poortugaal, Schiedam, Vlaardingen, Delft and Capelle aan den IJssel. Arriva Netherlands, Connexxion, Qbuzz and Veolia run buses from other cities to Rotterdam. An automated bus service, ParkShuttle, runs between Kralingse Zoom metro station and the Rivium Business Park in Capelle aan den IJssel. The RoMeO Foundation The Foundation RoMeO (Rotterdam Public Transport Museum and Exploitation of Oldtimers) was founded in 1997 to bring together various historical transport collections into one collection. Currently, the joint collection consists of more than sixty trams, twenty buses and an underground