Open invitation to tender, deadline 15.03.2013, for conservation, maintenance and operation of South Metropolitan Bypass in Bilbao and of the tunnels at Artxanda. Contract duration 96 months, value EUR74 million, excluding VAT. Contact Interbiak Bizkaiko Hegoaldeko Akzesibilitatea, Bilbao, tel +34 944057000, fax +34 944057001, e-mail info@interbiak.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=032781-2013. 06/13.