KVB and Rheinbahn issue joint tender for high-floor LRVs February 17, 2014 | Europe News Kölner Verkehrs-Betriebe AG (KVB), the transport authority of Cologne, and Rheinbahn, the public transport service provider in and around Düsseldorf, have issued a joint tender for the ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password