The Cologne Beltway (German:Kölner Autobahnring) is the collective term for the Autobahns encircling Cologne. It consists of the Bundesautobahn 1, the Bundesautobahn 3 and the Bundesautobahn 4. Segments of the beltway handle the highest traffic volume in Germany. The Autobahns on the beltway cross Bundesautobahn 559, Bundesautobahn 555 and Bundesautobahn 57. The Bundesautobahn 59 is tied to the beltway at the interchange Leverkusen-West in the north and to Dreieck Heumar in the south.
