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Autoroute 40
Autoroute 40
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 March 16, 2026
to May 15, 2026
Thaw period
From April 13, 2026
to May 22, 2026
Thaw period
From April 20, 2026
to May 29, 2026
Laurentides—Lanaudière
Sorel-Tracy - Saint-Ignace-de-Loyola: No service during the night of June 9 to June 10 between 2:30 am and 4:30 am. Reason: maintenance. Ferry service : Open.
June 9, 2026
at 3:23 p.m.
Alternating traffic R-343 at height rivière L'Assomption, SOUTHBOUND and NORTHBOUND, Saint-Paul, undetermined period. Reason : Inspection.
April 14, 2026
at 2:49 p.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.
40
À Repentigny, entre les boulevards Brien et Industriel
Hindrance
Major
Direction
East
From June 9, 2026 at 9:30 p.m.
to June 10, 2026 at 5 a.m.
40
À Repentigny, entre les boulevards Industriel et Brien
Hindrance
Major
Direction
West
From June 9, 2026 at 8:30 p.m.
to June 10, 2026 at 4 a.m.
40
À Saint-Cuthbert, à la hauteur de la R-138
Hindrance
Minor
Direction
West
From June 11, 2026 at 7 a.m.
to June 11, 2026 at 5 p.m.
Montérégie
Sorel-Tracy - Saint-Ignace-de-Loyola: No service during the night of June 9 to June 10 between 2:30 am and 4:30 am. Reason: maintenance. Ferry service : Open.
June 9, 2026
at 3:23 p.m.
Closure A-20 Saint-Nazaire-d'Acton road stop, WESTBOUND, Saint-Nazaire-d'Acton, From June 1, 2026 at 7 a.m. to June 19, 2026 at 6 p.m.. Reason : Roadwork.
June 9, 2026
at 9:53 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.
40
À Vaudreuil-Dorion, l'accès du chemin Daoust NORD vers l'A-40 OUEST
Hindrance
Minor
Direction
West
From June 9, 2026 at 10 p.m.
to June 10, 2026 at 5 a.m.
40
À Vaudreuil-Dorion, à la sortie 26 (chemin Daoust)
Hindrance
Major
Direction
West
From June 9, 2026 at 10:30 p.m.
to June 10, 2026 at 5 a.m.
40
Entre Vaudreuil-Dorion et Senneville (île de Montréal), sur le pont de l'Île-aux-Tourtes
Hindrance
Major
Direction
West and east
From September 15, 2025 at 12:01 a.m.
to December 31, 2026 at 5 a.m.
Montréal
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.
40
À Senneville
Hindrance
Minor
Direction
West and east
From September 3, 2024 at 5 a.m.
to December 31, 2026 at 5 a.m.
40
À Senneville et à Sainte-Anne-de-Bellevue
Hindrance
Major
Direction
West and east
From June 9, 2026 at 11:59 p.m.
to June 10, 2026 at 5:30 a.m.
40
Entre Vaudreuil-Dorion et Senneville (île de Montréal), sur le pont de l'Île-aux-Tourtes
Hindrance
Major
Direction
West and east
From September 15, 2025 at 12:01 a.m.
to December 31, 2026 at 5 a.m.
40
À Mont-Royal, dans l'échangeur Décarie, l'accès de l'A-40 EST vers l'A-15 SUD (sortie 66)
Hindrance
Major
Direction
East
From June 9, 2026 at 10 p.m.
to June 10, 2026 at 5 a.m.
40
À Montréal, entre l'échangeur des Laurentides et le boulevard de l'Acadie
Hindrance
Major
Direction
East
From June 9, 2026 at 10 p.m.
to June 10, 2026 at 5 a.m.
40
À Montréal, dans l'échangeur des Laurentides
Hindrance
Major
Direction
West
From June 9, 2026 at 11 p.m.
to June 10, 2026 at 5 a.m.
40
À Montréal, autoroute Métropolitaine, à la hauteur du boulevard Lacordaire
Hindrance
Minor
Direction
West
From June 9, 2026 at 10 p.m.
to June 10, 2026 at 5 a.m.
40
À Montréal, autoroute Métropolitaine dans la voie de desserte, à la hauteur du boulevard Lacordaire
Hindrance
Minor
Direction
West
From June 9, 2026 at 10 p.m.
to June 10, 2026 at 5 a.m.
40
À Montréal, entre le boulevard Roi-René et l'avenue Marien
Hindrance
Major
Direction
East
From June 9, 2026 at 10:30 p.m.
to June 10, 2026 at 5 a.m.
40
Entre Montréal et Terrebonne (Lachenaie), sur le pont Charles-De Gaulle
Hindrance
Major
Direction
West and east
From June 9, 2026 at 9:30 p.m.
to June 10, 2026 at 4:30 a.m.
40
À Montréal, l'accès à partir du boulevard du Tricentenaire
Hindrance
Minor
Direction
East
From June 10, 2026 at 1 a.m.
to June 10, 2026 at 3 a.m.
40
À Montréal à la hauteur du boulevard Henri-Bourassa
Hindrance
Major
Direction
West
From June 9, 2026 at 11 p.m.
to June 10, 2026 at 1 a.m.
40
À Montréal, l'accès de l'avenue Marien
Hindrance
Minor
Direction
East
From June 10, 2026 at 1 a.m.
to June 10, 2026 at 3 a.m.
Mauricie—Centre-du-Québec
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.
40
À Yamachiche, sur le pont de la rivière Yamachiche
Hindrance
Minor
Direction
West and east
From June 15, 2026 at 7 a.m.
to June 16, 2026 at 6 p.m.
40
À Trois-Rivières, à la hauteur du chemin des Petites-Terres
Hindrance
Minor
Direction
West and east
From June 11, 2026 at 8 a.m.
to June 11, 2026 at 5 p.m.
40
À Trois-Rivières, à la hauteur du chemin de fer, à l'EST de la R-138
Hindrance
Minor
Direction
East
From June 10, 2026 at 8:30 a.m.
to June 10, 2026 at 3:30 p.m.
40
À Trois-Rivières, à la hauteur du chemin des Petites-Terres
Hindrance
Minor
Direction
In one direction at a time
From June 11, 2026 at 8 a.m.
to June 11, 2026 at 5 p.m.
40
À Trois-Rivières, entre le boulevard Laviolette et le boulevard Thibeau
Hindrance
Major
Direction
East
From June 10, 2026 at 7:30 p.m.
to June 11, 2026 at 6 a.m.
40
À Trois-Rivières, rue Bonaventure, à la hauteur de l'A-40
Hindrance
Minor
Direction
West and east
From June 16, 2026 at 9 a.m.
to June 18, 2026 at 3 p.m.
40
À Trois-Rivières, accès à partir de la rue Vachon
Hindrance
Major
Direction
East
From June 10, 2026 at 7:30 p.m.
to June 11, 2026 at 6:30 a.m.
40
À Trois-Rivières, entre le boulevard Thibeau et la rue Laviolette
Hindrance
Major
Direction
West
From June 10, 2026 at 7:30 p.m.
to June 11, 2026 at 6 a.m.
40
À Champlain, de part et d'autre de la R-359
Hindrance
Major
Direction
West and east
From June 14, 2026 at 10 p.m.
to June 16, 2026 at 10 p.m.
40
Entre le km 237 à Sainte-Anne-de-la-Pérade et le km 226 à Batiscan
Hindrance
Major
Direction
West and east
From June 14, 2026 at 10 p.m.
to June 16, 2026 at 10 p.m.
40
À Sainte-Anne-de-la-Pérade, sur le pont de la rivière Sainte-Anne
Hindrance
Minor
Direction
In one direction at a time
From June 11, 2026 at 8 a.m.
to June 11, 2026 at 5 p.m.
40
À Sainte-Anne-de-la-Pérade, à la hauteur du rang D'Orvilliers
Hindrance
Minor
Direction
In one direction at a time
From June 10, 2026 at 8 a.m.
to June 10, 2026 at 5 p.m.
Québec (Capitale-Nationale)
From Wednesday, June 10, to Sunday, June 14, traffic disruptions are expected on certain roads in Chaudière-Appalaches and the Capitale-Nationale region as Tour de Beauce cyclists pass through.
June 5, 2026
at 9:30 a.m.
Tadoussac - Baie-Sainte-Catherine: Schedule modified for an undetermined period. Consult the Société des traversiers du Québec website. Ferry service : Open.
May 11, 2026
at 6:30 a.m.
Rivière-du-Loup - Saint-Siméon: For updates on the status of the ferry service, please consult the ferry Website. Ferry service : Open.
April 2, 2026
at 11:53 a.m.
40
À Deschambault-Grondines, à la hauteur de la R-363
Hindrance
Major
Direction
West
From June 1, 2026 at 5 a.m.
to October 19, 2026 at 11:59 p.m.
40
À Québec, dans la voie de desserte, à l'OUEST de l'A-740
Hindrance
Major
Direction
West
From May 3, 2026 at 7 p.m.
to July 31, 2026 at 11:59 p.m.
40
À Québec, entre l'A-740 et le boulevard de l'Ormière
Hindrance
Major
Direction
West
From May 3, 2026 at 7 p.m.
to July 31, 2026 at 11:59 p.m.
40
À Québec, sortie 322 (boulevard des Chutes)
Hindrance
Major
Direction
West
From May 18, 2026 at 7 p.m.
to August 31, 2026 at 11:59 p.m.
40
À Québec, entre l'autoroute Dufferin-Montmorency et le boulevard des Chutes
Hindrance
Major
Direction
West
From May 31, 2026 at 7 p.m.
to August 31, 2026 at 11:59 p.m.
