The first Autobahn was opened in 1932 betwen Cologne and Bonn by Konrad Adenauer, at that time mayor of Cologne and later the first chancelor of the Federal Republic of Germany. (No, it was NOT Mr. Hitler's idea!)
Autobahn
The Autobahns were built by Adolf Hitler.
Germans built the first Autobahns, starting in the 1930s.
Construction started in 1935 but the modern system of the Autobahn started in 1974.
Autobahn = motorway Autobahn = freeway
Schnellstraße or Autobahn
Autobahn is German for "freeway"; the proper name of the autobahn there is Bundesautobahn, meaning "federal motorway".
The autobahn is in Germany.
berlin i will drive the autobahn in berlin
"Freeway" is an English equivalent of "Autobahn."
Ich fahre auf der Autobahn nach Berlin I drive on the Autobahn to berlin.
the autobahn still exists if that's what you're asking