Nederlandse Spoorwegen (ˈneːdərlɑntsə ˈspʊːrʋeːɣə(n)) (Dutch Railways) or NS is the principal passenger railway operator in the Netherlands. NS provides rail services on the Dutch main rail network (hoofdrailnet). The rail infrastructure is maintained by network manager ProRail, which was split off from NS in 2003. Freight services, fo...