Open invitation to tender, deadline 28.09.2017, for the upgrading of the E&M equipment in the Langener tunnel (2,323 m, 2,090 m) on the S16. The duration of the contract is from 16/04/2018 to 16/10/2019. For further information contact ASFINAG, Vienna, tel +43 5010814574, fax +43 5010814482, email mario.patigler@asfinag.at. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=151738-2017 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=349837-2017. Ref.n. 2017/PROVIA ID-N.11298. 36/17.