WEBThe Verkehrsverbund Rhein-Ruhr (German: [fɛɐ̯ˈkeːɐ̯s.fɛɐ̯ˌbʊnt ˈʁaɪn ˈʁuːɐ̯]), abbreviated VRR, is a public transport association (Verkehrsverbund) in the German state of North Rhine-Westphalia. It covers most of the Ruhr area, as well as neighbouring parts of the Lower Rhine region, including Düsseldorf and thus large ...