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Québec 511 > Road Conditions > By Region and by Road > Route 340

Route 340

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
Thaw
Thaw period From April 13, 2026
to May 22, 2026
Thaw period From April 20, 2026
to May 29, 2026
Montérégie
Sorel-Tracy - Saint-Ignace-de-Loyola: Schedule modified for an indefinite period. Ferries depart from Saint-Ignace-de-Loyola on the hour and from Sorel-Tracy on the half hour. Reason: Only 1 ferry in operation. Consult the Société des traversiers du Québec website. Ferry service : Open. May 28, 2026
at 6:04 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.
340 
 À Vaudreuil-Dorion, entre le chemin de la Petite-Rivière et l'A-30 Hindrance
Minor 		Direction
West and east 		From May 23, 2026 at 11:59 p.m.
to June 21, 2026 at 11:59 p.m.
340 
 À Vaudreuil-Dorion, entre l'A-30 et le boulevard de la Gare Hindrance
Major 		Direction
West and east 		From April 19, 2026 at 9 p.m.
to June 17, 2026 at 5 a.m.