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.
Frankfurter Kreuz The Frankfurter Kreuz ("Frankfurt Cross") is an Autobahn interchange in Frankfurt am Main, Germany, where the autobahns A3 and A5 meet. The interchange was originally to be built from 1931 to 1933, but due to World War II construction was not finished until 1957.