Open invitation to tender, deadline 23.03.2015, for design and general management of the new 3.8 km section of national road A8, including the monotube 2,481 m-long Kaiserstuhl tunnel. Time limit for receipt of requests for documents or for accessing documents: 13.02.2015. Contact Canton of Obvaldo, Sarnen, e-mail hta@ow.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=031501-2015. 05/15.