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Information bulletin
Expected closure of the Foix tunnel (RN20) in Ariège
Automatically translated from French ·
Published on Saturday, September 12, 2026 at 4:08 PM
The Foix tunnel will be closed to traffic for maintenance and safety equipment upkeep work from December 2 to December 11, 2026. Traffic will be diverted via the RD 919 and RD 117 during the crossing of Foix.
The FOIX Tunnel will be closed to traffic for maintenance work on the structure and upkeep of safety equipment.
Closures will take place during the following nights, from 8:30 PM to 6:00 AM:
- Two nights from 2 to 4 September 2026
- One night from 9 to 10 September 2026
- Three nights from 21 to 24 September 2026
- Four nights from 5 to 9 October 2026
- Four nights from 2 to 6 November 2026
- Four nights from 9 to 13 November 2026
- Four nights from 16 to 20 November 2026
- Two nights from 9 to 11 December 2026
Traffic will be diverted in both directions on the RD 919 and RD 117, during the crossing of Foix.
Guides for Ariège
Safety tips for travel and protection of property
The prefecture of Ariège recommends remaining vigilant during your travels and protecting belongings exposed to the wind or flood risk.
Meteorological safety recommendations for Ariège
The prefecture of Ariège recommends staying away from trees and watercourses, taking shelter in a sturdy building, and avoiding non-urgent travel. Monitor the situation at vigilance.meteofrance.com.
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