Open invitation to tender, deadline 17.10.2017, for the installation of new lighting signals including wiring up to QSK and the dismantling of the old ones for safety improvements in the Boezberg tunnel (3,705 m, 3,705 m) on the N03 motorway (Lot 12). Contract duration is 60 months. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=982089. Contact Ofrou, Zofingue, tel +41 58 4827511, fax +41 58 4827590, e-mail zofingen@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=342906-2017. Ref.n. 080342. 36/17.