Open invitation to tender, deadline 02/07/2020, for the construction of the 4.9km Gröpelingen - Seehausen section of the highway A281 in Bremen, including the new 1680 m immersed tunnel under Weser (Lot BA4). Duration of the contract is 5 months. Contact DEGES GmbH, Berlin, tel +49 30-20243-222, email vergabe@deges.de. For tender information please click here. Ref.n. AB05300048. 22/20.