A86 : Le Défi d'un tunnel à double étage
- Anno: 2023
- Nazione: France
- Genere: Documentario, televisione film
- Studio: VideoClub Studio, RMC Découverte
- Parola chiave: france, technology, highway, versailles, tunnel construction, public works, tunnel, motorway, paris suburb, road, duplex, megastructures, ring road
- Direttore: Éloïse Daviaud
- Cast: Marc Duquenoy, Xavier Bezançon, Jean-Baptiste Jouannic, André Broto, Antoine Arlet, Jean-Luc Toris