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
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 Dry
Visibility
Good
40  

From :  Charles-De Gaulle Bridge in Montréal

To : Junction of highways 31 and 40 in Lavaltrie

Roadway
Bare and Dry
Visibility
Good
40 
À Charlemagne et Repentigny, entre A-640 et pont Benjamin-Moreau Hindrance
Major
Direction
East
From October 24, 2025 at 11:59 p.m.
to October 25, 2025 at 6 a.m.
40  

From :  Junction of highways 31 and 40 in Lavaltrie

To : Maskinongé

Roadway
Bare and Dry
Visibility
Good
40 
À Sainte-Geneviève-de-Berthierville et Saint-Cuthbert, dans la sortie 151 Hindrance
Minor
Direction
East
From May 11, 2025 at 8 p.m.
to November 7, 2025 at 11:59 p.m.
40 
À Saint-Cuthbert et Sainte-Geneviève-de-Berthier, entre les km 152 et 145 Hindrance
Major
Direction
West and east
From October 26, 2025 at 9 p.m.
to October 31, 2025 at 7 a.m.
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 Dry
Visibility
Good
40  

From :  Junction of highway 40 and route 201 in Rigaud

To : Vaudreuil-Dorion

Roadway
Bare and Dry
Visibility
Good
40  

From :  Vaudreuil-Dorion

To : Kirkland

Roadway
Bare and Dry
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.
40 
À Senneville, sortie 41 (Sainte-Anne-de-Bellevue, boulevard des Anciens-Combattants) Hindrance
Major
Direction
East
From October 20, 2025 at 5 a.m.
to November 3, 2025 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
Bare and Dry
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  

From :  Kirkland

To : Junction of highways 40 and 520

Roadway
Bare and Dry
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 October 31, 2025 at 11:59 p.m.
40  

From :  Junction of highways 40 and 520

To : Montréal Saint-Léonard borough

Roadway
Bare and Dry
Visibility
Good
40 
À Montréal, entre la sortie 71 (R-335, boulevard Saint-Laurent) et l'accès du boulevard Lacordaire Hindrance
Major
Direction
East
From October 26, 2025 at 11 p.m.
to December 27, 2025 at 5 a.m.
40 
À Montréal, entre la sortie 70 (A-15 NORD, boulevard Marcel-Laurin) et l'accès hauteur boulevard Cavendish Hindrance
Major
Direction
West
From October 25, 2025 at 11 p.m.
to October 26, 2025 at 9 a.m.
40  

From :  Montréal Saint-Léonard borough

To : Charles-De Gaulle Bridge in Montréal

Roadway
Bare and Dry
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
Bare and Dry
Visibility
Good
40 
À Maskinongé et à Louiseville, entre la sortie 160 Ouest (rang de la rivière Sud-Est) et la sortie 166 Ouest (Maskinongé / Chemin Caron). Hindrance
Minor
Direction
West and east
From October 27, 2025 at 8:30 a.m.
to October 27, 2025 at 5 p.m.
40 
À Maskinongé, entre la sortie 155 (Saint-Barthélemy, Maskinongé) et la sortie 160 (Rang de la Rivière Sud-Est). Hindrance
Minor
Direction
West and east
From August 24, 2025 at 8 p.m.
to November 9, 2025 at 11:59 p.m.
40 
À Trois-Rivières, entre la sortie 189 Est (rang Saint-Charles) et la sortie 192 Ouest (chemin des Petites-Terres). Hindrance
Minor
Direction
West and east
From October 28, 2025 at 8 a.m.
to October 30, 2025 at 5 p.m.
40  

From :  Trois-Rivières Trois-Rivières-Ouest sector

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

Roadway
Bare and Dry
Visibility
Good
40 
À Trois-Rivières, sur le pont d'étagement situé au-dessus du boulevard des Récollets. Hindrance
Major
Direction
West and east
From October 29, 2025 at 7:30 p.m.
to October 30, 2025 at 6:30 a.m.
40 
À Trois-Rivières, au pont Radisson situé au-dessus de la rivière Saint-Maurice. Hindrance
Major
Direction
East
From October 28, 2025 at 8 p.m.
to October 29, 2025 at 6 a.m.
40 
À Trois-Rivières, sous le pont d'étagement situé sur l'autoroute 40, à la sortie 201 (Boulevard des Chenaux). Hindrance
Major
Direction
West
From October 28, 2025 at 7:30 p.m.
to October 29, 2025 at 6:30 a.m.
40 
À Trois-Rivières, au pont d'étagement situé sur la rue des Prairies. Hindrance
Minor
Direction
West and east
From October 23, 2025 at 8:30 p.m.
to October 24, 2025 at 6 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
Bare and Dry
Visibility
Good
40 
Entre la sortie 210 (Route 352, Saint-Maurice) à Saint-Maurice et la sortie 220 (Route 359, Saint-Luc-de-Vincennes, Saint-Narcisse, Champlain) à Champlain. Hindrance
Major
Direction
East
From October 19, 2025 at 8 p.m.
to October 24, 2025 at 12 p.m.
Québec (Capitale-Nationale)
Québec - Lévis: Service accessible only to pedestrians and cyclists, from Monday, October 27 to Thursday, October 30. Reason: works. Visit the Société des traversiers du Québec Website. Ferry service : Open. October 22, 2025
at 3:19 p.m.
Closure A-973 Exit 4-E - Route 138 est ..., SOUTHBOUND, Québec, From October 24, 2025 at 9 a.m. to October 24, 2025 at 12 p.m., detour on local network. Reason : Police operations. October 22, 2025
at 2:55 p.m.
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
Bare and Dry
Visibility
Good
40  

From :  Donnacona

To : Neuville

Roadway
Bare and Dry
Visibility
Good
40  

From :  Neuville

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

Roadway
Bare and Dry
Visibility
Good
40  

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

To : Junction of highways 40, 73 and 440

Roadway
Bare and Dry
Visibility
Good
40 
À Québec, vers l'A-73 Henri-IV NORD Hindrance
Major
Direction
East
From October 26, 2025 at 8 p.m.
to October 31, 2025 at 5:30 a.m.
40  

From :  L'Ancienne-Lorette

To : Junction of highways 40, 73 and 973

Roadway
Bare and Dry
Visibility
Good
40 
À Québec, entre l'A-73 Henri-IV et l'A-740 Hindrance
Major
Direction
East
From October 26, 2025 at 8 p.m.
to October 31, 2025 at 5:30 a.m.
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 14, 2025 at 11:59 p.m.
40  

From :  Junction of highways 40, 73 and 973

To : Québec Beauport borough

Roadway
Bare and Dry
Visibility
Good
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.