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
Current Warnings
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
Thaw
Thaw period From March 17, 2025
to May 16, 2025
Thaw period From March 24, 2025
to May 23, 2025
Thaw period From March 31, 2025
to May 30, 2025
Laurentides—Lanaudière
343 
À Saint-Paul Rue du Curé-Dupont, incluant le ponceau enjambant le ruisseau St-Pierre Entre chemin Saint-Jean et chemin 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 Joliette Rue Beaudry À l'intersection de la rue Albert-Geoffroy Hindrance
Minor
Direction
South and north
From January 28, 2025 at 9 a.m.
to December 31, 2025 at 4 p.m.