Luxembourg starts tunnel maintenance
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18 March 2025 marks the start of the annual first wave of maintenance and cleaning of road tunnels by the Administration des ponts et chaussées (Administration of Bridges and Roads). These activities take place twice a year, in spring and autumn, and cover dozens of sites across the country.
The spring campaign will last until the end of May, while the autumn campaign is scheduled for September-November. The main works will be carried out predominantly at night to minimise inconvenience to motorists and to accommodate other road projects.
The campaign includes preventive and corrective maintenance of key safety systems, as well as cleaning of tunnel walls and equipment. The work area includes tunnels, underground passages and wildlife crossings across the country.
Among the objects: Grouft, Rëngelbour, Stafelter, Gousselerbierg, Mersch, Roost, Colmar-Berg, Schieren, Howald, Cents, Richard Serra, Kirchberg, Saint-Esprit, Pénétrante-Sud, Merl, Pétange-Eglise, Biff, Esch-Belval (accès secondaire), Micheville, Aessen, Ehlerange, Foetz, Frisange, Mondorf, Markusberg.
Maintenance shall include: ventilation systems, fire alarms, smoke and carbon monoxide detectors, lighting, CCTV, radio communications, dynamic alarms, pumping systems, hydrants, tanks, IT and telecommunications systems, and pavement and infrastructure elements.
Detailed schedules and locations of the works are available on the official traffic management website www.cita.lu.
