What is the name of the federal controlled-access highway system in Germany that is part of the Cologne Beltway?
Autobahn The Autobahn (German: "Autobahn" [ˈʔau̯.to:.ba:n] , plural "Autobahnen ") is the federal controlled-access highway system in Germany. The official German term is Bundesautobahn (plural "Bundesautobahnen ", abbreviated "BAB"), which translates as "federal motorway". The literal meaning of the word "Bundesautobahn" is "Federal Auto(mobile) Track".
Wiehltal bridge The Wiehltal Bridge is a highway bridge on the A 4 motorway between Cologne and Olpe over the Wiehltal valley at Engelskirchen (Oberbergischer Kreis), North Rhine-Westphalia, Germany.