The Bundesautobahn 860, also known as the Stadtautobahn Freiburg, is 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 is a planned upgrade of the

Bundesstraße 31 The Bundesstraße 31 (B 31) is a federal highway or ''Bundesstraße'' running from east to west in South Germany. It runs from Breisach on the border with France to the Sigmarszell junction on the Bundesautobahn 96 (A 96) near Lindau. B ...

Freiburg Freiburg im Breisgau (; abbreviated as Freiburg i. Br. or Freiburg i. B.; Low Alemannic: ''Friburg im Brisgau''), commonly referred to as Freiburg, is an independent city in Baden-Württemberg, Germany. With a population of about 230,000 (as o ...

, which involves the construction of a new tunnel in the city, the Freiburger Stadttunnel. The highway will begin in

Umkirch Umkirch ( Low Alemannic: ''Umkilche'') is a municipality in the district Breisgau-Hochschwarzwald in Baden-Württemberg, Germany. It is located around west of Freiburg im Breisgau. Geography Umkirch lies in the Upper Rhine Plain about west of F ...

and will mostly travel along the existing B 31, which is built to freeway standards within the Freiburg area, to

Buchenbach Buchenbach is a municipality in the south west of the Black Forest in Germany. It is located in the district of Breisgau-Hochschwarzwald in Baden-Württemberg. It is made up of four communities, the main town of Buchenbach and the villages of F ...

, at which point the B 31 will continue towards

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 ...

Description

The '' '

Bundesautobahn 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'. ...

860' '' (abbreviation: '' 'BAB 860' '') - Short form: '' '

860' '' (abbreviation : '' 'A 860' '') - also referred to as the '' 'Stadtautobahn Freiburg' '', after the completion of the Freiburg City Tunnel a section of the

will be upgraded to a motorway. ]. The autobahn is to begin in

and lead over the B 31, which is already largely autobahn-like, to

, where it is to change back to the B 31. The project is identified as an urgent need in the Bundesverkehrswegeplan 2030.

Planning

In order to enable a full connection between the existing Schützenalleetunnel and the future city tunnel in the Wiehre district at the level of the

Ganter Brewery Ganter is a private brewery based in Freiburg, Germany. It was founded in 1865 by Louis Ganter, and as of 2016 is run by Katharina Ganter-Fraschetti and Detlef Frankenberger. The brewery was founded in a three-story renaissance building which ...

, the City of Freiburg would have the entire road classified as a

Bundesstraße ''Bundesstraße'' (German for "federal highway"), abbreviated ''B'', is the denotation for German and Austrian national highways. Germany Germany's ''Bundesstraßen'' network has a total length of about 40,000 km. German ''Bundesstraßen'' ...

Costs for the city tunnel in the amount of at least 300 million euros. For financial reasons, it was therefore decided to upgrade the B 31 to the Federal Motorway 860, since the

Federal Federal or foederal (archaic) may refer to: Politics General *Federal monarchy, a federation of monarchies *Federation, or ''Federal state'' (federal system), a type of government characterized by both a central (federal) government and states or ...

bears the costs for motorways. The sections of the B 31 and B 31a, which have already been developed in a manner similar to a motorway, are to be upgraded to a motorway at the same time as the completion of the city tunnel, in the best case around 2030. Another project in the BVWP 2030 in this context is the four-lane Expansion between the Kirchzarten and Buchenbach junctions. The bridges over today's B 31 are already designed accordingly wide.

References

860 __NOTOC__ Year 860 ( DCCCLX) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * June 18 – Byzantine–Rus' War: A fleet of about 200 Rus' vessel ...

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