Luxembourg motorway tunnels to be closed for maintenance

The Bridges and Roads Authority has announced that work will begin on 2 September 2024, starting with the Gousselerbierg tunnel on the A7.
The scheduled maintenance includes preventive work on safety equipment, replacing defective components, conducting tests, and thoroughly cleaning the tunnels. To minimise disruption to traffic, the work will primarily take place at night.

The following tunnels and wildlife crossings will be affected:

Grouft, Rëngelbour, Stafelter, Gousselerbierg, Mersch, Roost, Colmar-Berg, Schieren, Howald, Cents, Richard Serra, Kirchberg, Saint-Esprit, Pénétrante Sud, Merl, Pétange-Église, Biff, Accès-Secondaire in Esch-Belval, Micheville, Aessen, Ehlerange, Foetz, Frisange, Mondorf, and Markusberg.

Overview by the Bridges and Roads Authority

List of equipment to be checked

• Ventilation,
• Fire detection,
• CO/opacity sensors,
• Foam extinguishers,
• SOS nests,
• Anemometers,
• Lighting (tunnel, beaconing, guidance, galleries, emergency),
• Public address system,
• Radio retransmission,
• Emergency call points,
• Video surveillance,
• Automatic incident or smoke detection,
• Metering,
• IT, telephone, networks,
• Dynamic, vertical and horizontal signage,
• Fire hydrants,
• Roadway,
• Civil engineering,
• Transformers and generators,
• Hydrophore units,
• Pumps,
• Tunnel booster pumps,
• Retention basins, oil separators, silt traps.