Open invitation to tender, deadline 13.01.2011, for maintenance 2011-2013 of technological, lighting and lighting signalling equipment in Colle di Tenda tunnel, on SS 20 Colle di Tenda and Valle Roja. Contract value EUR650,000, duration 1,095 days. Bid code: 2010PA031. Contact Anas SpA, Piedmont Dept, U.O.Tenders and contracts, Turin, tel +39 011 573911, fax +39 011 5660906, e-mail TO-GareContr@postacert.stradeanas.it. Visit http://www.stradeanas.it/index.php?/appalti/rilevanza_comunitaria/dettaglio/id/33826. 02/11.