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 17, 2025
to May 16, 2025
Thaw period From March 24, 2025
to May 23, 2025
Thaw period From March 31, 2025
to May 30, 2025
Montérégie
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  

From :  Junction of highways 20 and 25 in Longueuil

To : Sainte-Julie

Roadway
Bare and Dry
Visibility
Good
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 
À Sainte-Hyacinthe Sur l'autoroute Jean-Lesage À la hauteur de la sortie 130 (Sainte-Hyacinthe, La Présentation) Hindrance
Minor
Direction
East
From February 10, 2025 at 9 p.m.
to February 11, 2025 at 5 a.m.
Montréal
Closure A-20 between km 63, Montréal (Lachine) and 1re Avenue (Lachine), Montréal (Lachine), WESTBOUND and EASTBOUND, From February 10, 2025 at 10:30 p.m. to February 11, 2025 at 5:30 a.m., detour Voie de desserte. Reason : Snow removal. February 10, 2025
at 12:29 p.m.
20  

From :  L'Île-Perrot

To : Dorval

Roadway
Bare and Dry
Visibility
Good
20 
À Dorval Autoroute du Souvenir L'accès du boulevard Fénelon et le boulevard Montréal-Toronto Hindrance
Minor
Direction
West
From February 10, 2025 at 10 p.m.
to February 11, 2025 at 5 a.m.
20  

From :  Dorval

To : Turcot Interchange

Roadway
Bare and Dry
Visibility
Good
20 
À Montréal Autoroute du Souvenir Entre la sortie 63 (R-138) et l'accès suivant Hindrance
Major
Direction
West and east
From February 10, 2025 at 10 p.m.
to February 11, 2025 at 5:30 a.m.
20 
Closure A-20 between km 63, Montréal (Lachine) and 1re Avenue (Lachine), Montréal (Lachine), WESTBOUND and EASTBOUND, From February 10, 2025 at 10:30 p.m. to February 11, 2025 at 5:30 a.m., detour Voie de desserte. Reason : Snow removal. February 10, 2025
at 12:29 p.m.
Mauricie—Centre-du-Québec
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-Léonard-d'Aston, au pont situé au-dessus de la rivière Nicolet. Hindrance
Minor
Direction
East
From February 11, 2025 at 7:30 a.m.
to February 11, 2025 at 10 a.m.
20  

From :  Sainte-Eulalie

To : Saint-Louis-de-Blandford

Roadway
Bare and Dry
Visibility
Good
20 
À Daveluyville, halte routière de Sainte-Anne-du-Sault, entre km 223 et 224 Hindrance
Minor
Direction
East
From July 4, 2024 at 7 p.m.
to September 30, 2025 at 6 p.m.
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Dry
Visibility
Good
20 
Closure A-20 Sainte-Anne-du-Sault road stop, EASTBOUND, From July 4, 2024 at 6 p.m. to September 30, 2025 at 6 a.m.. Reason : Roadwork. July 3, 2024
at 4:20 p.m.
Chaudière-Appalaches
L'Isle-aux-Grues - Montmagny: Air service available. Visit the Société des traversiers du Québec Website. Ferry service : Closed. January 16, 2025
at 11:25 a.m.
20  

From :  Villeroy

To : Lévis Saint-Nicolas sector

Roadway
Bare and Dry
Visibility
Good
20 
À Saint-Apollinaire, à la hauteur de la route du Cap Hindrance
Minor
Direction
West and east
From February 9, 2025 at 7 p.m.
to February 14, 2025 at 7 a.m.
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
Snow Covered
Visibility
Fair
20  

From :  Cap-Saint-Ignace

To : La Pocatière

Roadway
Bare and Dry
Visibility
Good
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
Rivière-du-Loup - Saint-Siméon. Ferry service : Closed. January 16, 2025
at 11:05 a.m.
Additional Information:
Website
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 :  Trois-Pistoles

To : Trois-Pistoles, route de Notre-Dame-des-Neiges

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rimouski Le Bic sector

To : Rimouski, montée Industrielle-et-Commerciale

Roadway
Bare and Wet
Visibility
Good
20  

From :  Rimouski, montée Industrielle-et-Commerciale

To : Mont-Joli

Roadway
Bare and Dry
Visibility
Good