Open invitation to tender, deadline 15/12/2017, to put in 940 m section in a tunnel which is part of the N01/40 motorway from Zurich-Schwamendingen (Lot 1). The Schöneich tunnel will be extended to the Aubrugg interchange and its length will become 1680 m. The duration of the contract is from the 26/07/2018 to 31/05/2024. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=979339 (german and french). Contact Ofrou, Winterthour, tel +41 58 480 47 11, fax +41 58 480 47 90, email beschaffung.winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=309626-2017. Rif.n. 080247 N01/40 EHS. 35/17.