Open invitation to tender, deadline 26/05/205, for the management and maintenance of tunnels, with functional responsibility for some of them, on national roads and national highways. Click here for bid documents and where tenders must be sent. Duration of contract from 01/09/2025 to 31/08/2030.A tender conference will be held 06.05.2025, 12:00, meet at Innspurten 11C, Oslo. Contact Norwegian Public Roads Administration, attn Marianne Rogne, Moss, tel +47 41564215, email marianne.rogne@vegvesen.no. Visit https://ted.europa.eu/en/notice/-/detail/227862-2025. Ref. n. 24/227947. 17/25.