Road Conditions

Laurentides—Lanaudière

• Louis-Hippolyte-La Fontaine tunnel
  
  Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .
• 640 Works: inspection and repair of conduits In Saint-Joseph-du-Lac EASTBOUND Between R-344 and Chemin Principal Closure of 1 lane out of 2, at all times
• 640 Works: construction of the structure above rue Saint-Eustache In Deux-Montagnes and Saint-Eustache, between km 9 and 11 In both directions Traffic on diverted lanes Track width: 3.3 meters
• 640 Works: overpass repair In Saint-Eustache, at 25th Avenue Traffic on narrowed and diverted lanes at all times Track width: 3.4 m
• 640 Works: redevelopment of structures, Ruisseau de Feu In Terrebonne Access from Boulevard Marcel-Therrien and Montée des Pionniers towards A-640 EAST Complete closure at all times Detour: temporary ramp
• 640 Works: redevelopment of structures, Ruisseau de Feu In Terrebonne (Lachenaie) Access from Montée des Pionniers towards A-640 WEST Closed at all times Detour: via Chemin des Quarante-Arpents
• 640 Works: redevelopment of structures, Ruisseau de Feu In Terrebonne (Lachenaie district) In both directions At exit 50 (Montée des Pionniers) Closure of shoulders and traffic on diverted lanes at all times