Restricted invitation to tender, deadline 27.06.2017, for the new control center tunnels on the A7 motorway in Hamburg and for the delivery, commissioning and maintenance of the new control center in Hamburg and of the old control center in the Elbtunnel. The duration of the contract is 40 months. For procurement documents please visit https://vergabe.deges.de/NetServer/TenderingProcedureDetails?function=_Details&TenderOID=54321-Tender-15c3a66d28b-24500afab943927d. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=200920-2017. Ref. n. A712260103. 22/17.