Open invitation to tender, deadline 21.02.2017, for the upgrading of video equipment in the following tunnels Murgwald (1,400 m), Quarten (1,040 m), Fratten (310 m), Hof (560 m) and Raischiebe (780 m) on the N03/76 Murg-Walenstadt motorway (Lot 502). Duration of the contract is from 01.06.2017 to 01.12.2021. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=947641. Contact Ofrou, Winterthur, tel +41 58 4804711, fax +41 58 4804790, e-mail beschaffung.winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=011312-2017. Ref.n.080414 N03/76. 02/17.