Open invitation to tender, deadline 26.11.2015, for the updating of the Centralized Management System (GTC) in tunnels on A14 motorway. Duration of the contract is 21 months from the award. Contact Sanef, att.n Champy Alexandre, Tinqueux, tel +33 326835766, e-mail alexandre.champy@sanef.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=370117-2015. Ref.n. DTS/ACY/GTC_A14. 43/15.