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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
Montérégie
Closure A-20 Saint-Nazaire-d'Acton road stop, 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 8, 2026
at 1:34 p.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
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
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.
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 Trois-Rivières, entre le boulevard Laviolette et le boulevard Thibeau
Hindrance
Major
Direction
East
From June 10, 2026 at 9 p.m.
to June 11, 2026 at 6 a.m.
40
À Trois-Rivières, entre le boulevard Thibeau et le boulevard Laviolette
Hindrance
Major
Direction
West
From June 10, 2026 at 8:30 p.m.
to June 11, 2026 at 6 a.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 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.
