The main public transport in the Netherlands for longer distances is by train. Long-distance buses are limited to a few missing railway connections. Regional and local public transport is by bus, and in some cities by metro and tram. There are also ferries.
There are 19 public transport authorities in the Netherlands: the Ministry of Infrastructure and the Environment, OV-bureau Groningen Drenthe (OVBGD), each of the 10 other provinces, Regio Twente, Stadsregio Arnhem Nijmegen, Bestuur Regio Utrecht (BRU), Stadsregio Amsterdam, Stadsgewest Haaglanden, Stadsregio Rotterdam (SRR), and Samenwerkingsverband Regio Eindhoven (SRE).
They issue concessions for regions or specific lines.
The main operators are Nederlandse Spoorwegen (NS), Veolia Transdev (Connexxion and Veolia Transport Nederland), Arriva, Syntus, Qbuzz and the local operators GVB, HTM, RET.
Rail transport for public transport is operated mainly by Nederlandse Spoorwegen (NS), minor parts by Arriva, Syntus, Connexxion, Veolia Transport Nederland, DB Regio and eurobahn. The Dutch rail network is the busiest network in the entire world.