Open invitation to tender, deadline 22.10.2010, for commitment support for the construction of the 1.8 km-long Douanne tunnel (Twanntunnel), extension of Ligerz tunnel on the N05. Contact USTRA, att.n Projects Management, Estavayer-le-Lac, tel +41 266648711, fax +41 266648790, e-mail marchespublics.estavayer@astra.admin.ch. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=272091-2010. 39/10.