The Bridges and Roads Authority will clean the tunnels and inspect walls for potential damages or safety hazards. Some of them will be cleaned over night to reduce the impact of the work on traffic.
The following motorway tunnels are concerned:
Grouft, Rëngelbour, Stafelter, Gousselerbierg, Mersch, Roost, Colmar-Berg, Schieren, Howald, Cents, Richard Serra, Kirchberg, Saint-Esprit, Pénétrante Sud, Merl, Pétange-Church, Biff, Accès Secondaire, Micheville, Aessen, Ehlerange, Foetz, Frisange, Mondorf, and Markusberg.
