Restricted invitation to tender, deadline 10.02.2015, for the upgrading of the SS 4 Via Salaria, Lot 1 Trisungo-Acquasanta Terme, sub 2, from km 151+000 to km 153+780 in Ascoli Piceno province. The new section road includes two tunnels, 224 m and 1857 m lenght. Contract value EUR89.88 million, excluding VAT, with EUR53,21 million belonging to OG4 category. Duration 1095 days from award. Contact Anas SpA, attn Eng. Nicola Dinnella, Rome, tel +39 06 490326, fax +39 06 44462009, e-mail g.alimonti@stradeanas.it, i.polchi@stradeanas.it. Tenders to be sent to Anas SpA, Unità Bids and contract Office, Rome, tel +39 06 490326, fax +39 06 44462009. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=444067-2014. Ref. AN 20/14. 53/14.