This occasion allows the authority to clean Luxembourg's tunnels and carry out preventative maintenance work at the same time.
Broadly, the bulk of the work will take place at night. The exception is the maintenance work in the Markusbierg tunnels.
The tunnels affected by the cleaning and maintenance work are the following: Grouft, Rëngelbour, Stafelter, Gousselerbierg, Mersch, Roost, Colmar-Berg, Schieren, Howald, Cents, Richard Serra, Kirchberg, Saint-Esprit, Pénétrante Sud, Merl, Pétange-Église, Biff, Accès Secondaire, Micheville, Aessen, Ehlerange, Foetz, Frisange, Mondorf and Markusberg.
The roads and bridges authority will either close tunnels and signpost detours or close one lane, allowing reduced traffic through, delays can be expected.
For a full list of dates and tunnels, consult the below PDF.
