Verkehrsverbund Rhein-Sieg
Verkehrsverbund Rhein-Sieg (VRS), in English Rhine-Sieg Transport Association, is the public transport association covering the area of the Cologne Bonn Region, North Rhine-Westphalia, Germany. Besides Aachener Verkehrsverbund (AVV), VRS belongs to the special purpose association go.Rheinland.
It was founded on 1 September 1987 and covers an area of some 5,111 km2 (1,973 sq mi) with around 3.5 million inhabitants. Verkehrsverbund Rhein-Sieg is named after the rivers Rhein and Sieg.