Additional information for the open invitation to tender, deadline 02/06/2017, for the upgrading of electrical and technical control installations, and construction engineering in the Masfjord tunnel (4110 m) on the E39 highway. Contact Norwegian Public Roads Administration, Region West, attn Ronny Våga, Leikanger, tel +47 92800599, email firstname.lastname@example.org. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=129602-2017. Ref. n. 16/75520. 14/17.