Competitive procedure with negotiation, deadline 13/11/2025, for preparing a technical plan to submit to the Prefecture for approval to address congestion in the 2770m Liautaud tunnel in Nice. This must be conducted in accordance with Section 4 of the Safety File Guide, and specifically the "Specific Risk Study" (ESD) information document. Currently, the size (authorized gauge 2.30 m) and geographic location at the hypocentre of the project prevent any congestion within the Liautaud tunnel, significantly complicating traffic flow within our municipality. Click here for bid documents and where tenders must be sent. Value of contract EUR 32,000, excluding VAT. Duration of the contract is 6 months. Contact Metropole Nice Cote d'Azur, Nice, tel +33 48981817, email marches_exploitationterritoires@nicecotedazur.org. Visit https://ted.europa.eu/en/notice/-/detail/712746-2025. Ref.n. 25N0518. 44/25.