Official summary · Français
What is being procured?
Entretien et maintenance des systèmes lumineux et sonores des tunnels du Réseau Routier National non concédé d’Ile-de-France
Source and reliability
Source: official TED notice 410437-2026, last checked Aug 23, 2026, 2:05 AM. The original publication remains authoritative.
Data is restructured for easier reading. The official notice and procurement documents always prevail.