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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: 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.
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, à la hauteur de la rue Valmont
Hindrance
Major
Direction
West and east
From June 3, 2026 at 9 p.m.
to June 4, 2026 at 4 a.m.
40
À Repentigny, à la hauteur du boulevard de La Rochelle
Hindrance
Minor
Direction
West and east
From June 3, 2026 at 9 p.m.
to June 4, 2026 at 4 a.m.
40
Entre la R-158 à Berthierville et l'accès de la R-138
Hindrance
Major
Direction
East
From June 3, 2026 at 8 p.m.
to June 4, 2026 at 6 a.m.
40
Entre la R-138 à Saint-Cuthbert et la R-158 à Berthierville
Hindrance
Major
Direction
West
From June 4, 2026 at 8 p.m.
to June 5, 2026 at 6 a.m.
Montérégie
Closure A-20 Roadside rest stop at Saint-Nazaire-d'Acton, WESTBOUND and EASTBOUND, Saint-Nazaire-d'Acton, From June 1, 2026 at 7 a.m. to June 19, 2026 at 6 p.m.. Reason : Roadwork.
June 3, 2026
at 2:30 p.m.
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.
40
À Rigaud, accès du chemin de la R-342 vers l’A-40 OUEST
Hindrance
Minor
Direction
West
From June 3, 2026 at 10 p.m.
to June 4, 2026 at 5 a.m.
40
À Rigaud, entre la sortie 9 (R-342) et l'accès à partir de la montée Baie-Saint-Thomas
Hindrance
Major
Direction
West
From June 3, 2026 at 10 p.m.
to June 4, 2026 at 5 a.m.
40
À Vaudreuil-Dorion, à la sortie 26 (chemin Daoust)
Hindrance
Major
Direction
West
From June 3, 2026 at 10:30 p.m.
to June 4, 2026 at 5 a.m.
40
À Vaudreuil-Dorion, accès à partir du chemin Daoust NORD
Hindrance
Minor
Direction
West
From June 3, 2026 at 10:30 p.m.
to June 4, 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
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 3, 2026 at 10 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, entre l'échangeur des Laurentides et le bouelvard Saint-Michel
Hindrance
Major
Direction
East
From June 3, 2026 at 11:59 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, dans l'échangeur des Laurentides
Hindrance
Major
Direction
West
From June 3, 2026 at 11 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, autoroute Métropolitaine, à la hauteur du boulevard Lacordaire
Hindrance
Minor
Direction
East
From June 3, 2026 at 10 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, autoroute Métropolitaine, dans la voie de desserte, à la hauteur du boulevard Lacordaire
Hindrance
Minor
Direction
East
From June 3, 2026 at 10:30 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, entre le boulevard Lacordaire et l'échangeur des Laurentides
Hindrance
Major
Direction
West
From June 3, 2026 at 11:59 p.m.
to June 4, 2026 at 5 a.m.
40
À Montréal, entre les boulevards Saint-Jean-Baptiste et Henri-Bourassa
Hindrance
Major
Direction
East
From June 3, 2026 at 11 p.m.
to June 4, 2026 at 6 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 Maskinongé, à la hauteur du rang de la Rivière Sud-Est
Hindrance
Minor
Direction
In one direction at a time
From June 9, 2026 at 8 a.m.
to June 9, 2026 at 1 p.m.
40
À Trois-Rivières, à la hauteur de la R-138
Hindrance
Minor
Direction
East
From June 3, 2026 at 12 p.m.
to June 3, 2026 at 5 p.m.
40
À Trois-Rivières, à la hauteur de la R-138
Hindrance
Minor
Direction
West
From June 3, 2026 at 7 a.m.
to June 3, 2026 at 12 p.m.
40
À Trois-Rivières, pont Radisson, au-dessus de la rivière Saint-Maurice
Hindrance
Major
Direction
West
From June 4, 2026 at 8:30 p.m.
to June 5, 2026 at 6 a.m.
40
À Trois-Rivières, accès à partir du boulevard des Chenaux
Hindrance
Major
Direction
East
From June 2, 2026 at 7:30 p.m.
to June 3, 2026 at 6 a.m.
40
À Trois-Rivières, à la hauteur des sorties 199 (Centre-Ville)
Hindrance
Minor
Direction
West and east
From June 4, 2026 at 8:30 p.m.
to June 5, 2026 at 6 a.m.
40
À Trois-Rivières, sur le pont Radission, entre les boulevards des Chenaux et des Estacades
Hindrance
Major
Direction
East
From June 2, 2026 at 7:30 p.m.
to June 3, 2026 at 6 a.m.
40
À Trois-Rivières, accès à partir de la rue Vachon
Hindrance
Major
Direction
East
From June 2, 2026 at 7:30 p.m.
to June 3, 2026 at 6 a.m.
40
À Trois-Rivières, sortie 202 (boulevard des Estacades)
Hindrance
Major
Direction
East
From June 2, 2026 at 7:30 p.m.
to June 3, 2026 at 6 a.m.
40
À Batiscan, sur le pont de la rivière Champlain
Hindrance
Minor
Direction
East
From June 4, 2026 at 7 a.m.
to June 4, 2026 at 12 p.m.
40
À Batiscan, sur le pont de la rivière Champlain
Hindrance
Minor
Direction
West
From June 4, 2026 at 12 p.m.
to June 4, 2026 at 5 p.m.
40
À Sainte-Geneviève-de-Batiscan, sur le pont de la rivière Batiscan
Hindrance
Minor
Direction
In one direction at a time
From June 9, 2026 at 8 a.m.
to June 9, 2026 at 5 p.m.
40
Entre la R-361 à Sainte-Geneviève-de-Batiscan et la R-159 à Sainte-Anne-de-la-Pérade
Hindrance
Major
Direction
West and east
From May 24, 2026 at 10 p.m.
to June 5, 2026 at 12 p.m.
Québec (Capitale-Nationale)
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, accès à partir de la R-363
Hindrance
Major
Direction
West
From June 8, 2026 at 7 a.m.
to June 9, 2026 at 5 p.m.
40
À Deschambault-Grondines, à la hauteur de la R-363
Hindrance
Major
Direction
East
From May 31, 2026 at 7:30 p.m.
to June 4, 2026 at 5 p.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
Entre la R-365 à Neuville et le chemin du Bois-de-l'Ail à Cap-Santé
Hindrance
Minor
Direction
West
From June 4, 2026 at 9 a.m.
to June 4, 2026 at 2 p.m.
40
À Québec, entre boulevard Masson et A-740
Hindrance
Major
Direction
East
From June 2, 2026 at 7 p.m.
to June 4, 2026 at 5:30 a.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 l'A-573
Hindrance
Major
Direction
West
From June 5, 2026 at 10 p.m.
to June 6, 2026 at 5 a.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.
40
À Québec, entre le boulevard Raymond et la R-138
Hindrance
Major
Direction
East
From June 2, 2026 at 7 a.m.
to June 3, 2026 at 3 p.m.
40
À Québec, accès à partir du boulevard des Chutes
Hindrance
Major
Direction
East
From June 2, 2026 at 9 a.m.
to June 3, 2026 at 3 p.m.
