The Autobahn (German: Autobahn, 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". Construction of the first autobahn, the section between Cologne and Bonn, began in 1929; the road opened to the public in 1932 the year before Adolf Hitler was appointed Chancellor of Germany.
German autobahns have no federally mandated speed limit for some classes of vehicles. However limits are posted (and enforced) in areas that are urbanized, substandar...