Open invitation, deadline 04/06/2023, for the general management during the doubling of the Belate (2.968 m) tunnel on the N-1210 road and for the construction of 5 bypass. Click here for bid/tender documents and here where tenders must be sent. Value of the contract is EUR2.66 million, excluding VAT. Duration of the contract will be 47 months. Contact Departamento de Cohesion Territorial, att.ne Elena Larragueta Lecumberri, Pamplona, email servicio.nuevasinfraestructuras@navarra.es. Visit https://ted.europa.eu/en/notice/-/detail/266219-2023,. Ref.n. CONST/2023/001. 17/23.