Open invitation to tender, deadline 15.12.2016, for the delivery and installation of fixed and dynamic signalling in the Mont Terri (4,068 m) and Mont Russelin (3,572 m) tunnels on the N16. The contract includes an option for the 815 m Develier tunnel to be upgraded in 2018 or 2019. Duration of the contract is from 01/02/2017 to 01/03/2020. For further information go to http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=938273. Contact Ofrou, Estavayer-le-Lac, tel +41 58 461 87 11, e-mail marchespublics.estavayer@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=389256-2016. Ref.n. N16.04 140066 - ID 4324. 46/16.