
Mountain roads and passes
The Alpes-Maritimes Department and the NCA Metropolitan Area announce:
Information on Metropolitan Roads
Due to the winter closure, the Col de la Lombarde (RM 97 – Isola) has been closed to traffic in both directions since Tuesday, November 3, 2026, at 8:30 a.m., until further notice.
Due to forecast adverse weather conditions, access to the Col de la Bonette (RM 2205 – Saint-Dalmas-le-Selvage) will be closed to traffic in both directions from Clos de Bousieyas, starting Saturday, October 17, 2026, at 8:00 p.m., until further notice.
MANDATORY EQUIPMENT
Chains or winter tyres will be mandatory in mountainous areas.

All vehicles must be fitted with snow tyres, all-season tyres or chains from 1 November 2024 to 31 March 2025.
The obligation concerns light and commercial vehicles, motor homes, heavy goods vehicles and coaches travelling in areas established by the prefects. Their drivers must: carry removable anti-skid devices (metal or textile snow chains) in their trunks to equip at least two driving wheels or be equipped with four “winter tyres”.