was a planned

autobahn The (; German plural ) is the federal controlled-access highway system in Germany. The official German term is (abbreviated ''BAB''), which translates as 'federal motorway'. The literal meaning of the word is 'Federal Auto(mobile) Track'. ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. It was supposed to connect

Breisach Breisach (formerly Altbreisach; Low Alemannic: ''Alt-Brisach'') is a town with approximately 16,500 inhabitants, situated along the Rhine in the Rhine Valley, in the district Breisgau-Hochschwarzwald, Baden-Württemberg, Germany, about halfway b ...

via

Freiburg im Breisgau Freiburg im Breisgau (; abbreviated as Freiburg i. Br. or Freiburg i. B.; Low Alemannic German, Low Alemannic: ''Friburg im Brisgau''), commonly referred to as Freiburg, is an independent city in Baden-Württemberg, Germany. With a population o ...

Titisee The Titisee is a lake in the southern Black Forest in Baden-Württemberg. It covers an area of and is an average of deep. It owes its formation to the Feldberg glacier, the moraines of which were formed in the Pleistocene epoch and nowadays for ...

Donaueschingen Donaueschingen (; Low Alemannic: ''Eschinge'') is a German town in the Black Forest in the southwest of the federal state of Baden-Württemberg in the Schwarzwald-Baar '' Kreis''. It stands near the confluence of the two sources of the river Da ...

Tuttlingen Tuttlingen (Alemannic: ''Duttlinga'') is a town in Baden-Württemberg, capital of the district Tuttlingen. Nendingen, ''Möhringen'' and ''Eßlingen'' are three former municipalities that belong to Tuttlingen. Tuttlingen is located in Swabia eas ...

Riedlingen Riedlingen () is a town in the district (''Kreis'') of Biberach, Baden-Württemberg, in the south-west of Germany. It is one of the destinations of the Upper Swabian Baroque Route. Riedlingen has approximately 10,000 inhabitants. Geography ...

Ulm Ulm () is a city in the German state of Baden-Württemberg, situated on the river Danube on the border with Bavaria. The city, which has an estimated population of more than 126,000 (2018), forms an urban district of its own (german: link=no, ...

Langenau Langenau is a town in the district of Alb-Donau in Baden-Württemberg in Germany. It is situated 14 km northeast of Ulm. Transport Langenau is located directly on the Autobahn A7 and near the A8 Public transport is guaranteed by the Don ...

. Part of it has been built as the A 864. The construction of the Autobahn stopped.

External links

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