On Friday 19 September 2025, the Luxembourg Administration of Bridges and Roads announced that as part of works carried out by SIDEN (Intercommunal Syndicate for the Treatment of Wastewater in the North), the CR308 “Martelerstrooss” will be closed between Grevels and Hierheck from Monday 22 September 2025 until the completion of the works, scheduled for March 2026.

The Luxembourg Administration of Bridges and Roads confirmed that the diversion will run via Grosbous.