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.
North Rhine-Westphalia North Rhine-Westphalia (German: "Nordrhein-Westfalen" , ] , commonly shortened to NRW) is the most populous state of Germany, with a population of approximately 18 million, and the fourth largest by area. Its capital is Düsseldorf; the largest city is Cologne. Four of Germany's ten largest cities—Cologne, Düsseldorf, Dortmund, and Essen—are located within the state, as well as the second largest metropolitan area on the European continent, Rhine-Ruhr.