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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
Slow-moving traffic A-20 Towards A-10 west, direction Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. February 15, 2024
at 10:14 a.m.
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. November 15, 2024
at 3:31 p.m.
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. 		February 15, 2024
at 12:29 p.m.
Rapid accumulations of snow that could lead to reduced visibility are expected in several regions of Quebec starting Wednesday! Road conditions could deteriorate quickly and cause road closures. Winds associated with snow will lead to sometimes zero visibility conditions. Exercise caution, avoid traveling! December 3, 2024
at 4 p.m.
Laurentides—Lanaudière
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
Montérégie
40  

From :  Pointe-Fortune, Ontario border

To : Junction of highway 40 and route 201 in Rigaud

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Rigaud Autoroute Félix-Leclerc À la hauteur du chemin de la Baie (R-342) Hindrance
Minor 		Direction
West and east 		From December 2, 2024 at 7 a.m.
to December 6, 2024 at 6 p.m.
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, enjambant le lac des Deux Montagnes Hindrance
Major 		Direction
West and east 		From May 27, 2024 at 12:01 a.m.
to January 31, 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'entrée de la rue des Pins Hindrance
Minor 		Direction
West and east 		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  

From :  Montréal Saint-Léonard borough

To : Charles-De Gaulle Bridge in Montréal

 Roadway
Bare and Dry 		Visibility
Good
40 
 À Montréal (Anjou) Dans l'échangeur Anjou Dans la sortie 80-S pour A-25 sud et le tunnel Louis-H.-La Fontaine Hindrance
Minor 		Direction
West and east 		From October 15, 2022 at 12 a.m.
to December 31, 2025 at 12 a.m.
Mauricie—Centre-du-Québec
Continuation of work on the Laviolette Bridge on weekday nights, weather permitting, until early to mid-December. December 3, 2024
at 2:49 p.m.
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. Hindrance
Major 		Direction
West and east 		From December 3, 2024 at 7:30 p.m.
to December 5, 2024 at 2 a.m.
40  

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

To : Deschambault-Grondines

 Roadway
Bare and Dry 		Visibility
Good
Québec (Capitale-Nationale)
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 Dry 		Visibility
Good
40  

From :  Junction of highways 40, 73 and 973

To : Québec Beauport borough

 Roadway
Bare and Wet 		Visibility
Good
40 
 À Québec, à la hauteur de la R-138 (boulevard Sainte-Anne) Hindrance
Major 		Direction
East 		From December 5, 2024 at 10 p.m.
to December 6, 2024 at 5:30 a.m.