Open invitation to tender, deadline 26.11.2012, for operation and maintenance of the control centre systems and linked equipment in road tunnels in Navarre. Contract value EUR6 million, excluding VAT. Duration of contract 01.01.2013 to 31.12.2016. Contact Adif, Madrid, tel +34 917744837, fax +34 917745814, e-mail lserenap@cfnavarra.es. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=330755-2012 and http://www.cfnavarra.es/obraspublicas/info/CCONTROL.htm. 43/12.