A86 : Le Défi d'un tunnel à double étage
- අවුරුදු: 2023
- රට: France
- ප්රභේදය: Documentary, TV Movie
- ශබ්දාගාර: VideoClub Studio, RMC Découverte
- මූල පදය: france, technology, highway, versailles, tunnel construction, public works, tunnel, motorway, paris suburb, road, duplex, megastructures, ring road
- අධ්යක්ෂක: Éloïse Daviaud
- කාස්ට්: Marc Duquenoy, Xavier Bezançon, Jean-Baptiste Jouannic, André Broto, Antoine Arlet, Jean-Luc Toris