|Length||15 km (9 mi)|
The Bundesautobahn 860, also known as the Stadtautobahn Freiburg, is a planned Autobahn in Germany. It is a planned upgrade of the Bundesstraße 31 in Freiburg, which involves the construction of a new tunnel in the city, the Freiburger Stadttunnel. The highway will begin in Umkirch and will mostly travel along the existing B 31, which is built to freeway standards within the Freiburg area, to Buchenbach, at which point the B 31 will continue towards Donaueschingen.
- "B 31 soll Autobahn werden – um den Stadttunnel zu ermöglichen". Badischer Verlag GmbH & Co. KG. Badische Zeitung. Retrieved 21 May 2017.
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