Mobility Montréal - Commuting made easier

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
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 23, 2025
Thaw period From March 24, 2025
to May 23, 2025
Thaw period From April 7, 2025
to June 6, 2025
Laurentides—Lanaudière
Roadwork on Laviolette Bridge will resume, mostly on weekend nights, from March 21, 2025 until Fall 2025.

Check the road works in detail for information, among other things, on the planned times of the obstructions.		 March 14, 2025
at 4:36 p.m.
Additional Information:
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  

From :  Junction of highways 31 and 40 in Lavaltrie

To : Maskinongé

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Berthierville Autoroute Félix-Leclerc À la sortie 141 (rang Sainte-Philomène) Hindrance
Major 		Direction
East 		From March 27, 2025 at 8 a.m.
to March 27, 2025 at 6 p.m.
40 
 À Berthierville Autoroute Félix-Leclerc Avant la sortie 144 (rang de la rivière Bayonne) Hindrance
Major 		Direction
East 		From March 27, 2025 at 8 a.m.
to March 27, 2025 at 4 p.m.
40 
 À Berthierville Autoroute Félix-Leclerc Avant la sortie 144 (R-158, avenue Gilles-Villeneuve, rang de la rivière Bayonne) Hindrance
Major 		Direction
West 		From March 27, 2025 at 8 a.m.
to March 27, 2025 at 4 p.m.
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 March 26, 2025 at 6 p.m.
40 
 À Saint-Cuthbert Autoroute Félix-Leclerc Avant R-138 (Route Nationale) Hindrance
Major 		Direction
West 		From March 27, 2025 at 8 a.m.
to March 27, 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 Dry 		Visibility
Good
40  

From :  Vaudreuil-Dorion

To : Kirkland

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Vaudreuil-Dorion et Senneville (île de Montréal) Autoroute Félix-Leclerc Sur le pont de l'Île-aux-Tourtes Hindrance
Major 		Direction
West and east 		From May 27, 2024 at 12:01 a.m.
to April 14, 2025 at 11:59 p.m.
Montréal
40  

From :  Vaudreuil-Dorion

To : Kirkland

 Roadway
Bare and Dry 		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 Dry 		Visibility
Good
40  

From :  Junction of highways 40 and 520

To : Montréal Saint-Léonard borough

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Montréal, sur le chemin de la Côte-de-Liesse Est (desserte A-40), l'accès du boulevard Décarie Hindrance
Minor 		Direction
East 		From March 26, 2025 at 10 p.m.
to March 27, 2025 at 5 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
Roadwork on Laviolette Bridge will resume, mostly on weekend nights, from March 21, 2025 until Fall 2025.

Check the road works in detail for information, among other things, on the planned times of the obstructions.		 March 14, 2025
at 4:36 p.m.
Additional Information:
40  

From :  Maskinongé

To : Junction of highways 40 and 55

 Roadway
Bare and Dry 		Visibility
Good
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, au pont Radisson, situé au-dessus de la rivière Saint-Maurice, entre la sortie 201 (Boulevard des Chenaux) et la sortie 202 (Boulevard des Estacades). Hindrance
Major 		Direction
West and east 		From March 30, 2025 at 8 p.m.
to April 3, 2025 at 6 a.m.
40  

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

To : Deschambault-Grondines

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Batiscan, aux deux ponts situés au-dessus de la rivière Champlain. Hindrance
Minor 		Direction
West and east 		From March 25, 2025 at 7 a.m.
to March 26, 2025 at 6 p.m.
Québec (Capitale-Nationale)
Québec - Lévis: Ferry service accessible only to pedestrians and cyclists from March 25 to April 16. Reason: construction. Visit the Société des traversiers du Québec website. Ferry service : Open. March 24, 2025
at 6:19 a.m.
Roadwork on Laviolette Bridge will resume, mostly on weekend nights, from March 21, 2025 until Fall 2025.

Check the road works in detail for information, among other things, on the planned times of the obstructions.		 March 14, 2025
at 4:36 p.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  

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  

From :  L'Ancienne-Lorette

To : Junction of highways 40, 73 and 973

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Québec, entre le boulevard Pierre-Bertrand et l'A-73 Henri-IV Hindrance
Major 		Direction
West 		From March 26, 2025 at 7 p.m.
to March 28, 2025 at 5:30 a.m.
40 
 À Québec, entre l'A-740 et l'A-573 Hindrance
Major 		Direction
West 		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 Wet 		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 July 7, 2025 at 12 a.m.