Open invitation, deadline 08/03/2023, for the doubling of the Belate (2.968 m) tunnel on the N-1210 road and for the construction of 5 bypass. Click here for tender documents and here where tenders must be sent. Value of the contract is EUR 86.46 million, excluding VAT. Duration of the contract will be 45 months. Contact Departamento de Cohesion Territorial, att.ne Idoia Cruz Uriz,email servicio.nuevasinfraestructuras@navarra.es. Visit https://ted.europa.eu/en/notice/-/detail/87506-2023. Ref.n. CONST/2023/002. 06/23.