The Rouergue tunnel is a 43-meters long underground alleyway, located in the Vertugadin area in Rennes (Brittany) that offers a new lighting. The linears spread a uniform lighting on the tunnel’s walls with a colour-shift that has no breach. Specifier: Rennes Ville and Métropole Installer: Bouygues Photos: J.Mignot / Rennes Ville and Métropole