What is the name of the federal controlled-access highway system in Germany that is part of the Cologne Beltway?
Cologne Beltway 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. The beltway handles one of the highest traffic volumes in Germany.
Bundesstraße 3 The Bundesstraße 3 (abbr. B3) is one of the longest federal highways in Germany. It begins in Buxtehude and continues through Bergen, Celle, Hanover, Alfeld, Einbeck, Göttingen, Kassel, Marburg, Frankfurt, Darmstadt, Heidelberg, Karlsruhe and Freiburg in southwestern Germany and ends at Weil-Otterbach on the border with Switzerland. Between Darmstadt and Wiesloch it is referred to as Ferienstraße Bergstraße.