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
Sorel-Tracy - Saint-Ignace-de-Loyola: Ferries from Saint-Ignace-de-Loyola depart on the hour and from Sorel-Tracy at half past the hour until mid-November. Cause: 1 ferry in operation. Visit the Société des traversiers du Québec website. Ferry service : Open. October 17, 2025
at 6:07 a.m.
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. September 23, 2025
at 10:13 a.m.
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 December 19, 2023 at 4 p.m.
to December 31, 2025 at 11:59 p.m.
343 
À Saint-Paul, rue de l'Industrie, entre chemin Lagarde et rue Amyot Hindrance
Major
Direction
South and north
From November 3, 2025 at 7 a.m.
to November 8, 2025 at 5 p.m.
343 
À Joliette, boulevard de l'Industrie, entre les rues Almira-S.-Choinière et Piette Hindrance
Major
Direction
South and north
From November 7, 2025 at 9 p.m.
to November 17, 2025 at 9 p.m.
343 
À Joliette, boulevard de l'Industrie, entre chemin Forest et rue Lépine Hindrance
Major
Direction
North
From October 24, 2025 at 9 p.m.
to November 7, 2025 at 9 p.m.