Open invitation to tender, deadline 26.05.2011, for the no-noise Dissen tunnel (500 m) on the A33. Further information from Mr Winkelmann/Mrs Runge, NLSTBV in Osnabruek, tel +49 541503-700, fax -779, e-mail postelle@nlstbv-os.niedersachsen.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=134993-2011. 18/11.
