Québec 511 > Road Conditions > By Region and by Road > Route 343

Route 343

Road Conditions
Roadway
Bare (dry or wet)
Partly snow covered, snow packed
or ice covered
Snow covered, snow packed
or ice covered
Visibility
Good
Fair
Poor
Roadwork
Minor hindrance
Major hindrance
Other informations
Warning
Trucks prohibited
Ferry
Border crossing
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. .
June 18, 2025
at 11 a.m.
343 
À Saint-Paul, rue du Curé-Dupont, entre les chemins Saint-Jean et Lagarde Hindrance
Minor
Direction
South and north
From September 16, 2025 at 7 a.m.
to September 16, 2025 at 5 p.m.
343 
À Saint-Paul, rue du Curé-Dupont, entre les chemins Saint-Jean et Lagarde Hindrance
Minor
Direction
South and north
From December 19, 2023 at 4 p.m.
to December 31, 2025 at 11:59 p.m.
343 
À Saint-Amboise-de-Kildare, au niveau 4e Rang Ouest Hindrance
Minor
Direction
South and north
From September 18, 2025 at 10 a.m.
to September 18, 2025 at 5:30 p.m.
343 
À Saint-Alphonse-de-Rodriguez et Saint-Côme, entre rue McManiman et R-347 Hindrance
Minor
Direction
South and north
From September 17, 2025 at 6 a.m.
to September 18, 2025 at 6 p.m.
343 
À Saint-Alphonse-Rodriguez, entre les rues Alice et Ares Hindrance
Minor
Direction
South and north
From September 15, 2025 at 7 a.m.
to September 18, 2025 at 5 p.m.