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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
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street. 		March 6, 2025
at 2:21 p.m.
Thaw
Thaw period From March 24, 2025
to May 2, 2025
Thaw period From March 24, 2025
to May 16, 2025
Thaw period From April 14, 2025
to May 23, 2025
Laurentides—Lanaudière
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.		 March 28, 2025
at 11:06 a.m.
Additional Information:
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
Bare and Wet 		Visibility
Good
40  

From :  Junction of highways 31 and 40 in Lavaltrie

To : Maskinongé

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Saint-Cuthbert Autoroute Félix-Leclerc Sous le pont d'étagement de R-138 (route Nationale) Hindrance
Major 		Direction
East 		From March 26, 2025 at 8 a.m.
to December 31, 2025 at 6 p.m.
Montérégie
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 Wet 		Visibility
Good
40  

From :  Vaudreuil-Dorion

To : Kirkland

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Vaudreuil-Dorion et Senneville, autoroute Félix-Leclerc, sur le pont de l'Île-aux-Tourtes Hindrance
Major 		Direction
West and east 		From April 28, 2025 at 5 a.m.
to December 31, 2026 at 5 a.m.
Montréal
40  

From :  Vaudreuil-Dorion

To : Kirkland

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Sainte-Anne-de-Bellevue Autoroute Félix-Leclerc L'accès du boulevard Morgan Hindrance
Minor 		Direction
West 		From September 23, 2024 at 5 a.m.
to June 20, 2025 at 11:59 p.m.
40  

From :  Kirkland

To : Junction of highways 40 and 520

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Montréal et à Ville Mont-Royal, autoroute Métropolitaine, entre la sortie 65 (A-520, rond-point Côte-de-Liesse) et l'échangeur des Laurentides Hindrance
Major 		Direction
East 		From April 29, 2025 at 11 p.m.
to April 30, 2025 at 9 a.m.
40  

From :  Junction of highways 40 and 520

To : Montréal Saint-Léonard borough

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Montréal et Mont-Royal, autoroute Métropolitaine, l'accès de la voie de desserte (chemin de la Côte-de-Liesse) vers chemin Devonshire Hindrance
Minor 		Direction
West 		From April 29, 2025 at 10 p.m.
to April 30, 2025 at 5 a.m.
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
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.		 March 28, 2025
at 11:06 a.m.
Additional Information:
40  

From :  Maskinongé

To : Junction of highways 40 and 55

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Louiseville, à proximité de la sortie 174 (Route 138, Louiseville). Hindrance
Minor 		Direction
West 		From April 22, 2025 at 7 a.m.
to April 29, 2025 at 5 p.m.
40 
 À Trois-Rivières, à proximité de la sortie 196 (Autoroutes 40 Est et 55 Sud, Trois-Rivières, centre-ville, Québec). Hindrance
Minor 		Direction
East 		From May 5, 2025 at 9 p.m.
to May 6, 2025 at 5 a.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 la rue du Chanoine-Chamberland, à proximité de l'intersection de la rue du Père-Daniel. Hindrance
Minor 		Direction
East 		From April 3, 2025 at 7 a.m.
to May 9, 2025 at 5 p.m.
40 
 À Trois-Rivières, entre la sortie 205 (Rue des Prairies) et la sortie 210 (Route 352, Saint-Maurice). Hindrance
Minor 		Direction
West and east 		From April 30, 2025 at 12:01 a.m.
to July 1, 2025 at 11:59 p.m.
40  

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

To : Deschambault-Grondines

 Roadway
Bare and Dry 		Visibility
Good
Québec (Capitale-Nationale)
Tadoussac - Baie-Sainte-Catherine: Schedule modified. Reason: 1 ferry in operation. Visit the Société des traversiers du Québec Website. Ferry service : Open. April 22, 2025
at 8:04 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.		 March 28, 2025
at 11:06 a.m.
Additional Information:
Rivière-du-Loup - Saint-Siméon. Ferry service : Closed. January 16, 2025
at 11:05 a.m.
Additional Information:
Website
40  

From :  Deschambault-Grondines

To : Donnacona

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Portneuf, sur le pont de la rivière Portneuf Hindrance
Minor 		Direction
West 		From April 16, 2025 at 12 a.m.
to May 2, 2025 at 11:59 p.m.
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 Wet 		Visibility
Good
40 
 À Québec, vers l'A-540 SUD Hindrance
Major 		Direction
East 		From April 29, 2025 at 7:30 p.m.
to April 30, 2025 at 6 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-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, entre le boulevard Raymond et l'A-440 Dufferin-Montmorency Hindrance
Major 		Direction
West and east 		From March 30, 2025 at 8 p.m.
to October 31, 2025 at 12 a.m.