Road Conditions

Laurentides—Lanaudière

Alternating traffic R-343 at height rivière L'Assomption, SOUTHBOUND and NORTHBOUND, Saint-Paul, undetermined period. Reason : Inspection.
Contraflow traffic rue Baby on the bridge, 1 lane in each direction. Lane width: 3.2 meters, WESTBOUND and EASTBOUND, Joliette, undetermined period. Reason : Inspection.
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 Construction of a culvert Between Chemin Principal in Saint-Joseph-du-Lac and Boulevard des Promenades in Deux-Montagnes In both directions Road closed WESTBOUND and contraflow traffic on the opposite carriageway
640 Structural inspection In Terrebonne (Lachenaie) and Charlemagne, towards Highway 40 EAST EASTBOUND Access closed Detour R-344 WEST, Des Migrateurs Street
640 Structural inspection In Charlemagne and Terrebonne (Lachenaie), towards Highway 40 WEST WESTBOUND Access closed Detour: Exit 50, Montée des Pionniers, A-640 EAST