Call a Bike is a dockless bike hire system run by Deutsche Bahn (DB) in several German cities. Developed in 1998 and in operation since 2000, Call a Bike uses a system of authentication codes to automatically lock and unlock bikes. Availability may be differentiated between cities providing full area coverage, and those only offering bikes at the respective Hauptbahnhof. Full citywide coverage is provided in some of the larger cities such as Berlin, Frankfurt, Hamburg, Kassel, Cologne, Munich and Stuttgart. The city of Karlsruhe used to have a citywide system from 2007 until 2013. More information...
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