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".
Bundesautobahn 661 Bundesautobahn 661 (translates from German as "Federal Motorway 661", short form Autobahn 661, abbreviated as BAB 661 or A 661) - also called "Osttangente Frankfurt" (easttangent Frankfurt) or "Taunusschnellweg" - is a 40 km (25 mi) long Autobahn in Germany. It starts in Oberursel and goes along Bad Homburg, Frankfurt am Main, Offenbach am Main and Neu-Isenburg until it is ending in Egelsbach.