Open invitation to tender, deadline 09/12/2020, for the maintenance of the control centre and of the linked equipment for Navarra’s roads which will include tunnels. Value of the contract is EUR4.56 million, excluding VAT. Duration of the contract is from 01/03/2021 to 30/09/2024. Contact Gobierno di Navarra, Pamplona, email servicio.conservacion@navarra.es. For further information on the tender click here and here. Tenders must be sent here. 48/20.