Credit: Luxembourg Roads and Bridges Administration
On Tuesday 13 October 2026, Luxembourg’s Roads and Bridges Administration announced that a full-scale exercise in the Micheville Tunnel for tunnel personnel and emergency response services will take place on Sunday 18 October, affecting traffic arrangements in the area.
The exercise, undertaken in collaboration with the Grand Ducal Fire and Rescue Corps (CGDIS), the Labour and Mines Inspectorate (ITM) and the Grand Ducal Police, will take place as stipulated in Article 37 of the Grand-Ducal Regulation of 20 December 2007 on safety measures applicable to certain road tunnels. These tests are essential and mandatory to ensure the safety of tunnel users in the event of an incident.
As a result of the exercise, from 07:00 to 13:00 on Sunday the following roads and access points will be closed:
• The B40 expressway in both directions between the Université interchange and the Belval-Gare interchange.
• The Belval-Gare interchange access towards Esch-sur-Alzette.
• The Belval-Université interchange access towards Esch-sur-Alzette.
Road users travelling on the B40 towards Audun-le-Tiche will be diverted from the Université interchange via permanent diversion route No. 2, using the CR191, the CR168 and the Belval-Gare interchange.
Road users travelling on the B40 towards Esch-sur-Alzette will be diverted from the Belval-Gare interchange via permanent diversion route No. 1, using the CR168, the CR191 and the Raemerich interchange.
