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.
February 15, 2024
at 12:29 p.m.
Thaw
Thaw period From March 4, 2024
to April 12, 2024
Thaw period From March 18, 2024
to May 10, 2024
Thaw period From March 18, 2024
to May 10, 2024
Laurentides—Lanaudière
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 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 
À Repentigny Sur l'Autoroute Félix-Leclerc, incluant le pont Benjamin-Moreau, enjambant la rivière l'Assomption Hindrance
Minor
Direction
West and east
From 2023-09-28
to 2024-05-01
40  

From :  Junction of highways 31 and 40 in Lavaltrie

To : Maskinongé

Roadway
Bare and Dry
Visibility
Good
40 
À Lanoraie Sur l'autoroute Félix-Leclerc Sous le pont d'étagement du rang Saint-François Hindrance
Major
Direction
West and east
From 2024-04-22
to 2024-04-23
Montérégie
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later. February 15, 2024
at 10:17 a.m.
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.
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 
Entre 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 2023-12-01
to 2024-11-30
Montréal
Closure Access R-136 at height Accès Lucien-L'Allier (Entrée), WESTBOUND, Montréal, undetermined period, detour on local network. Reason : Roadwork. April 18, 2024
at 11:40 a.m.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later. February 15, 2024
at 10:17 a.m.
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.
40  

From :  Vaudreuil-Dorion

To : Kirkland

Roadway
Bare and Dry
Visibility
Good
40  

From :  Kirkland

To : Junction of highways 40 and 520

Roadway
Bare and Dry
Visibility
Good
40 
À Kirkland Autoroute Félix-Leclerc Après le pont d'étagement du chemin Sainte-Marie, hauteur rue Jean-Yves Hindrance
Minor
Direction
West
From 2024-02-19
to 2024-06-30
40 
À Kirkland Autoroute Félix-Leclerc Sur la voie de desserte À la hauteur du pont d'étagement du chemin Sainte-Marie Hindrance
Minor
Direction
West
From 2023-06-23
to 2024-06-30
40  

From :  Junction of highways 40 and 520

To : Montréal Saint-Léonard borough

Roadway
Bare and Dry
Visibility
Good
40 
À Montréal (arr. Saint-Laurent) Autoroute Métropolitaine Sur la voie de desserte (chemin de la Côte-de-Liesse) Entre le chemin Devonshire et l'A-15 sud (Décarie) Hindrance
Minor
Direction
East
From 2024-03-16
to 2024-05-10
40 
À Montréal (Saint-Laurent) et Mont-Royal Autoroute Métropolitaine Sur la voie de desserte (chemin de la Côte-de-Liesse) Dans l'échangeur Décarie, la bretelle de A-40 ouest pour le boulevard Marcel-Laurin (R-117) Hindrance
Major
Direction
West
From 2024-04-01
to 2024-12-21
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
From 2022-10-15
to 2025-12-31
Mauricie—Centre-du-Québec
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
40  

From :  Maskinongé

To : Junction of highways 40 and 55

Roadway
Bare and Dry
Visibility
Good
40 
À Louiseville, aux deux ponts situés au-dessus de la rivière du Loup. Hindrance
Minor
Direction
West and east
From 2024-04-25
to 2024-04-30
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, entre le pont Radisson et la sortie 197 (Autoroute 55 sud, pont Laviolette). Hindrance
Minor
Direction
West and east
From 2024-04-18
to 2024-04-19
40 
À Trois-Rivières, au pont Radisson situé au-dessus de la rivière Saint-Maurice. Hindrance
Minor
Direction
West and east
From 2024-04-15
to 2024-04-19
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 2024-04-25
to 2024-05-01
40 
À Batiscan, aux deux ponts situés au-dessus de la rivière Champlain. Hindrance
Minor
Direction
West and east
From 2024-04-23
to 2024-04-24
Québec (Capitale-Nationale)
1 lane closed out of 2, Contraflow traffic R-175 between km 89 and km 95, SOUTHBOUND and NORTHBOUND, Secteur Lac-Jacques-Cartier, From April 21, 2024 at 12:01 a.m. to April 24, 2024 at 11:59 p.m.. Reason : Special events. April 17, 2024
at 1:29 p.m.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
40  

From :  Deschambault-Grondines

To : Donnacona

Roadway
Bare and Wet
Visibility
Good
40 
À Deschambault-Grondines, à la hauteur de la route Guilbault Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-19
40 
À Deschambault-Grondines, à la hauteur de la R-363 Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-19
40  

From :  Donnacona

To : Neuville

Roadway
Bare and Wet
Visibility
Good
40 
À Neuville, à la hauteur de la R-365 Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-26
40  

From :  Neuville

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

Roadway
Bare and Wet
Visibility
Good
40 
À Neuville, à la hauteur de la route Gravel Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-26
40 
À Saint-Augustin-de-Desmaures, à la hauteur de la R-367 Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-26
40 
À Saint-Augustin-de-Desmaures, à la hauteur de la R-138 Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-26
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
West and east
From 2024-04-18
to 2024-04-26
40 
À Québec, à l'OUEST de la route Jean-Gauvin Hindrance
Minor
Direction
In one direction at a time
From 2024-04-14
to 2024-04-26
40 
À Québec, vers l'A-73 Henri-IV NORD Hindrance
Major
Direction
East
From 2024-04-21
to 2024-04-22
40 
À Québec, à la hauteur de l'A-540 Hindrance
Minor
Direction
West and east
From 2024-04-14
to 2024-04-26
40  

From :  L'Ancienne-Lorette

To : Junction of highways 40, 73 and 973

Roadway
Bare and Dry
Visibility
Good
40 
À Québec, entre le boulevard de l'Ormière et le boulevard Saint-Jacques Hindrance
Major
Direction
West and east
From 2024-04-05
to 2026-10-31
40 
À Québec, à la hauteur de l'A-740 Hindrance
Minor
Direction
West and east
From 2024-04-21
to 2024-04-26
40  

From :  Junction of highways 40, 73 and 973

To : Québec Beauport borough

Roadway
Bare and Dry
Visibility
Good
40 
À Québec, entre l'autoroute Dufferin-Montmorency et le boulevard des Chutes Hindrance
Major
Direction
West
From 2024-04-03
to 2024-05-31
40 
À Québec, entre le boulevard des Chutes et l'avenue Royale Hindrance
Minor
Direction
West and east
From 2024-04-07
to 2024-04-26