Open invitation to tender, deadline 21/09/2023, for works and services contract involving S.G.C. Grosseto - Fano (E78), Section Selci - Lama (E45) - S. Stefano di Gaifa - Adaptation to 2 lanes of the approximately 6 km long Guinza tunnel (Lot 2) and of the Guinza - Mercatello Ovest section (Lot 3). Environmental and geotechnical monitoring services are provided. Value of the contract is EUR 93.76 million, excluding VAT, with EUR 17.92 million belonging to OG4 category. Duration of the contract will be 925 days. Contact Anas SpA, attn Eng. Vincenzo Catone, Rome, tel +39 06 490326, email appalti.lavori@postacert.stradeanas.it. Visit https://ted.europa.eu/en/notice/-/detail/485975-2023. Ref.n. AN 49/23. 36/23.