Prof. Kirschke GmbH & Co. KG from Ettlingen secured the contract for tunnel engineering advice on the construction of the 2km twin-tube tunnel in Friburg on the B31 between Kronenbrücke (west) and Ganterknob (east). The tunnel will be connected with the Schuetzenallee tunnel. The tunnel section of B31 will be updated like the A860 motorway. Contact Autobahn GmbH des Bundes - NL Südwest, Stuttgart, email vergabe.suedwest@autobahn.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=402531-2023. Ref.n. A.03502.10. 29/23.
