Open invitation to tender, deadline 01/02/2023, for scheduled maintenance of painting work for the technical and functional improvement of safety conditions in road traffic tunnels along the SS 17 of the Abruzzo Apennines from km101+300 to km151+035. For tender documents click here, where tenders must be sent. Value of the contract is EUR1.47 million, excluding VAT. Duration of the contract is 180 days. Contact Anas Spa, attn Eng. Bosio, L’Aquila, email anas.abruzzo@postacert.stradeanas.it. Visit https://www.stradeanas.it/it/appalti/rilevanza_comunitaria. Bid n. AQLAV014-22. 01/23.