Québec 511 > Road Conditions > By Region and by Road > 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
Current Warnings
Weather warnings have been issued for several regions of Quebec. Snow, rain, and strong winds are expected. Road conditions could deteriorate rapidly. Be carefull and avoid travel! November 10, 2025
at 4:22 p.m.
Laurentides—Lanaudière
Sorel-Tracy - Saint-Ignace-de-Loyola: Ferries from Saint-Ignace-de-Loyola depart on the hour and from Sorel-Tracy at half past the hour until mid-November. Cause: 1 ferry in operation. Visit the Société des traversiers du Québec website. Ferry service : Open. October 17, 2025
at 6:07 a.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  

From :  Montréal Saint-Léonard borough

To : Charles-De Gaulle Bridge in Montréal

Roadway
Bare and Wet
Visibility
Good
40  

From :  Charles-De Gaulle Bridge in Montréal

To : Junction of highways 31 and 40 in Lavaltrie

Roadway
Snow Covered
Visibility
Good
40  

From :  Junction of highways 31 and 40 in Lavaltrie

To : Maskinongé

Roadway
Snow Covered
Visibility
Good
Montérégie
Sorel-Tracy - Saint-Ignace-de-Loyola: Ferries from Saint-Ignace-de-Loyola depart on the hour and from Sorel-Tracy at half past the hour until mid-November. Cause: 1 ferry in operation. Visit the Société des traversiers du Québec website. Ferry service : Open. October 17, 2025
at 6:07 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  

From :  Pointe-Fortune, Ontario border

To : Junction of highway 40 and route 201 in Rigaud

Roadway
Bare and Wet
Visibility
Good
40  

From :  Junction of highway 40 and route 201 in Rigaud

To : Vaudreuil-Dorion

Roadway
Partly Snow Covered
Visibility
Good
40  

From :  Vaudreuil-Dorion

To : Kirkland

Roadway
Partly Snow Covered
Visibility
Good
40 
À 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  

From :  Vaudreuil-Dorion

To : Kirkland

Roadway
Partly Snow Covered
Visibility
Good
40 
À Senneville, sortie 40 (chemin de Senneville) Hindrance
Major
Direction
West
From October 6, 2025 at 5 a.m.
to January 17, 2027 at 11:59 p.m.
40 
À Kirkland, sur la voie de desserte, entre la sortie 49 et pont d'étagement du chemin Sainte-Marie Hindrance
Minor
Direction
West
From October 3, 2025 at 1 a.m.
to November 14, 2025 at 11:59 p.m.
40  

From :  Kirkland

To : Junction of highways 40 and 520

Roadway
Partly Snow Covered
Visibility
Good
40 
À Kirkland, sur la voie de desserte, au niveau de la rue Jean-Yves Hindrance
Minor
Direction
West
From August 15, 2025 at 12:01 a.m.
to December 31, 2025 at 11:59 p.m.
40  

From :  Junction of highways 40 and 520

To : Montréal Saint-Léonard borough

Roadway
Bare and Wet
Visibility
Good
40  

From :  Montréal Saint-Léonard borough

To : Charles-De Gaulle Bridge in Montréal

Roadway
Bare and Wet
Visibility
Good
40 
À Montréal Échangeur Anjou Dans la bretelle menant de A-40 OUEST (sortie 80-S) à A-25 SUD / tunnel Hindrance
Minor
Direction
West
From October 15, 2022 at 5 a.m.
to December 31, 2025 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.
Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.

Check the roadworks in detail for information, including the planned times of the obstructions.
June 9, 2025
at 11:51 a.m.
Additional Information:
40  

From :  Maskinongé

To : Junction of highways 40 and 55

Roadway
Partly Snow Covered
Visibility
Good
40 
À Louiseville, sous le pont d'étagement situé sur le chemin Caron. Hindrance
Major
Direction
West and east
From November 12, 2025 at 7 a.m.
to November 12, 2025 at 7 p.m.
40 
À Trois-Rivières, à la sortie 196-N (Autoroute 55 Nord, boulevard des Chenaux, Shawinigan). Hindrance
Minor
Direction
West
From November 12, 2025 at 8:30 p.m.
to November 13, 2025 at 6 a.m.
40  

From :  Trois-Rivières Trois-Rivières-Ouest sector

To : Trois-Rivières Sainte-Marthe-du-Cap sector

Roadway
Partly Snow Covered
Visibility
Good
40 
À Trois-Rivières, au pont d'étagement situé sur la rue des Forges. Hindrance
Minor
Direction
West and east
From November 17, 2025 at 8:30 p.m.
to November 20, 2025 at 6 a.m.
40 
À Trois-Rivières, entre la sortie 201 (Boulevard des Chenaux) et la sortie 198 (Boulevard des Récollets). Hindrance
Major
Direction
West and east
From November 10, 2025 at 7:30 p.m.
to November 21, 2025 at 6:30 a.m.
40 
À Trois-Rivières, sur le boulevard du Saint-Maurice, situé sous le pont d'étagement de l'autoroute 40. Hindrance
Major
Direction
West and east
From November 11, 2025 at 8:30 p.m.
to November 19, 2025 at 6:30 a.m.
40 
À Trois-Rivières, entre la sortie 205 (Rue des Prairies) et la sortie 210 (Route 352, Saint-Maurice). Hindrance
Major
Direction
West and east
From April 4, 2025 at 12:01 a.m.
to November 29, 2025 at 11:59 p.m.
40  

From :  Trois-Rivières Sainte-Marthe-du-Cap sector

To : Deschambault-Grondines

Roadway
Partly Snow Covered
Visibility
Good
40 
Entre la sortie 229 à Sainte-Geneviève-de-Batiscan (Route 361, Sainte-Geneviève-de-Batiscan, Saint-Stanislas / Batiscan) et la sortie 236 à Sainte-Anne-de-la-Pérade (Route 159, Saint-Casimir, Sainte-Anne-de-la-Pérade, Saint-Prosper, Saint-Tite). Hindrance
Major
Direction
West and east
From November 2, 2025 at 8 p.m.
to November 14, 2025 at 5 p.m.
Québec (Capitale-Nationale)
Oversized shipments are being transported from the ports of Quebec City, Pointe-au-Pic in La Malbaie, and Grande-Anse in Saguenay to Saint-Tite-des-Caps as part of a new wind power project. These shipments of huge pieces will continue until the end of November 2025.

The roads used by these transports are: A-40, A-73 Laurentienne, A-73 Henri-IV, A-440 Charest, A-740, R-136, R-138, R-362, R-175, A-70 and local roads.

Be careful and patient!
August 21, 2025
at 1:27 p.m.
40  

From :  Deschambault-Grondines

To : Donnacona

Roadway
Snow Covered
Visibility
Fair
40  

From :  Donnacona

To : Neuville

Roadway
Snow Covered
Visibility
Fair
40  

From :  Neuville

To : Saint-Augustin-de-Desmaures, chemin du Lac

Roadway
Partly Snow Covered
Visibility
Good
40  

From :  Saint-Augustin-de-Desmaures, chemin du Lac

To : Junction of highways 40, 73 and 440

Roadway
Partly Snow Covered
Visibility
Good
40  

From :  L'Ancienne-Lorette

To : Junction of highways 40, 73 and 973

Roadway
Bare and Wet
Visibility
Good
40 
À Québec, entre l'A-740 et l'A-573 Hindrance
Major
Direction
West and east
From March 24, 2025 at 12 a.m.
to November 17, 2025 at 5:30 a.m.
40 
À Québec, entre le boulevard Pierre-Bertrand et l'A-740 Hindrance
Major
Direction
West
From November 11, 2025 at 8 p.m.
to November 14, 2025 at 5:30 a.m.
40  

From :  Junction of highways 40, 73 and 973

To : Québec Beauport borough

Roadway
Bare and Wet
Visibility
Good
40 
À Québec, entre le boulevard Henri-Bourassa et l'avenue du Bourg-Royal Hindrance
Major
Direction
West and east
From November 9, 2025 at 8 p.m.
to December 19, 2025 at 5:30 a.m.
40 
À Québec, vers l'A-40 EST Hindrance
Major
Direction
East
From May 6, 2025 at 10 p.m.
to December 31, 2025 at 11:59 p.m.