Québec 511 > Road Conditions > By Region and by Road > Autoroute 20

Autoroute 20

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 26, 2024
Thaw period From March 25, 2024
to May 17, 2024
Thaw period From April 1, 2024
to May 24, 2024
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.
Closure A-15 Roadside stop temporarily closed in Saint-Bernard-de-Lacolle, at km 4, near the border with the United States. Indefinite period., SOUTHBOUND and NORTHBOUND, Saint-Bernard-de-Lacolle, undetermined period. Reason : Roadwork. January 31, 2024
at 11:56 a.m.
20  

From :  Rivière-Beaudette, Ontario border

To : Les Cèdres, chemin Saint-Dominique

Roadway
Bare and Dry
Visibility
Good
20  

From :  Les Cèdres, chemin Saint-Dominique

To : Junction of highways 20 and 30 in Vaudreuil-Dorion

Roadway
Bare and Dry
Visibility
Good
20  

From :  Junction of highways 20 and 30 in Vaudreuil-Dorion

To : L'Île-Perrot

Roadway
Bare and Dry
Visibility
Good
20  

From :  Samuel-De Champlain Bridge Rive-Sud

To : Junction of highways 20 and 25 in Longueuil

Roadway
Bare and Dry
Visibility
Good
20 
2 lanes closed out of 3 A-20 at height canal de la Rive Sud, EASTBOUND, Longueuil, undetermined period. Reason : Accident. March 5, 2024
at 6:15 a.m.
20 
À Longueuil Autoroute René-Lévesque Entre boul. Roland-Therrien et l'échangeur A-20 / A-25 Hindrance
Major
Direction
East
From 2022-08-15
to 2024-06-01
20  

From :  Junction of highways 20 and 25 in Longueuil

To : Sainte-Julie

Roadway
Bare and Dry
Visibility
Good
20 
À Boucherville L'entrée du boulevard de Mortagne sud pour A-20 ouest (vers Montréal) Hindrance
Minor
Direction
West
From 2022-09-12
to 2025-12-31
20  

From :  Sainte-Julie

To : Mont-Saint-Hilaire

Roadway
Bare and Dry
Visibility
Good
20  

From :  Mont-Saint-Hilaire

To : Sainte-Hélène-de-Bagot

Roadway
Bare and Dry
Visibility
Good
20 
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.
20 
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.
Montréal
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.
20  

From :  L'Île-Perrot

To : Dorval

Roadway
Bare and Dry
Visibility
Good
20 
À Dorval Autoroute du Souvenir La sortie 56 (A-520, rond-point Dorval) Hindrance
Major
Direction
East
From 2024-02-13
to 2024-12-31
20  

From :  Dorval

To : Turcot Interchange

Roadway
Bare and Dry
Visibility
Good
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:
20  

From :  Sainte-Hélène-de-Bagot

To : Drummondville

Roadway
Bare and Dry
Visibility
Good
20  

From :  Drummondville

To : Sainte-Eulalie

Roadway
Bare and Dry
Visibility
Good
20 
À Saint-Cyrille-de-Wendover, entre le 6e Rang de Wendover et le 7e Rang de Wendover. Hindrance
Minor
Direction
West
From 2024-03-05
to 2024-03-06
20  

From :  Sainte-Eulalie

To : Saint-Louis-de-Blandford

Roadway
Bare and Dry
Visibility
Good
20 
À Saint-Louis-de-Blandford, sous le pont d'étagement situé sur la route 165. Hindrance
Major
Direction
In one direction at a time
From 2024-03-05
to 2024-03-05
20 
À Saint-Louis-de-Blandford, sur le pont situé au-dessus de la rivière Goulet. Hindrance
Minor
Direction
West
From 2024-03-06
to 2024-03-06
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Dry
Visibility
Good
Chaudière-Appalaches
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:
20  

From :  Villeroy

To : Lévis Saint-Nicolas sector

Roadway
Bare and Dry
Visibility
Good
20  

From :  Lévis Saint-Nicolas sector

To : Lévis, route Lallemand

Roadway
Bare and Dry
Visibility
Good
20  

From :  Lévis, route Lallemand

To : Saint-Michel-de-Bellechasse

Roadway
Bare and Dry
Visibility
Good
20  

From :  Saint-Michel-de-Bellechasse

To : Cap-Saint-Ignace

Roadway
Bare and Dry
Visibility
Good
20  

From :  Cap-Saint-Ignace

To : La Pocatière

Roadway
Bare and Dry
Visibility
Good
20 
Closure A-20 Belles-Amours rest stop closed between km 393 and 394. Only parking in the service area is permitted., WESTBOUND, L'Islet, undetermined period. Reason : Closure of services. December 8, 2023
at 9:58 a.m.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
20  

From :  La Pocatière

To : Saint-Pascal

Roadway
Bare and Dry
Visibility
Good
20  

From :  Saint-Pascal

To : Rivière-du-Loup

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rivière-du-Loup

To : Trois-Pistoles

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rimouski Le Bic sector

To : Rimouski, montée Industrielle-et-Commerciale

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rimouski, montée Industrielle-et-Commerciale

To : Mont-Joli

Roadway
Bare and Dry
Visibility
Good