Québec 511 > Trucking > Hindrances Related to Load and Size > 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.
March 6, 2025
at 2:21 p.m.
Thaw
Thaw period From March 24, 2025
to May 2, 2025
Thaw period From March 24, 2025
to May 16, 2025
Thaw period From April 14, 2025
to May 23, 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 Wet
Visibility
Good
20  

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

To : L'Île-Perrot

Roadway
Bare and Wet
Visibility
Good
20  

From :  Samuel-De Champlain Bridge Rive-Sud

To : Junction of highways 20 and 25 in Longueuil

Roadway
Bare and Wet
Visibility
Good
20 
À Brossard Bretelle de la R-132 Ouest vers l'A-10 Est Hindrance
Major
Direction
West and east
From April 7, 2025 at 5 a.m.
to July 3, 2025 at 10 p.m.
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 Wet
Visibility
Good
20 
Saint-Mathieu-de-Beloeil Sur l'autoroute Jean-Lesage Entre chemin du Ruisseau NORD et montée Saint-Jean-Baptiste (Entre les km 106 et 109) Hindrance
Major
Direction
East
From April 29, 2025 at 10 p.m.
to May 2, 2025 at 5:30 a.m.
20  

From :  Mont-Saint-Hilaire

To : Sainte-Hélène-de-Bagot

Roadway
Bare and Dry
Visibility
Good
Montréal
20  

From :  L'Île-Perrot

To : Dorval

Roadway
Bare and Wet
Visibility
Good
20  

From :  Dorval

To : Turcot Interchange

Roadway
Bare and Wet
Visibility
Good
Mauricie—Centre-du-Québec
Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.

Check the roadworks in detail for information, including the planned times of the obstructions.
March 28, 2025
at 11:06 a.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  

From :  Sainte-Eulalie

To : Saint-Louis-de-Blandford

Roadway
Bare and Dry
Visibility
Good
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Dry
Visibility
Good
20 
Closure A-20 Daveluyville stop, EASTBOUND, From July 4, 2024 at 6 p.m. to September 30, 2025 at 6 a.m.. Reason : Roadwork. February 28, 2025
at 2:09 p.m.
Chaudière-Appalaches
L'Isle-aux-Grues - Montmagny: Air service available. Visit the Société des traversiers du Québec Website. Ferry service : Open. April 9, 2025
at 6:15 a.m.
Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.

Check the roadworks in detail for information, including the planned times of the obstructions.
March 28, 2025
at 11:06 a.m.
Additional Information:
20  

From :  Villeroy

To : Lévis Saint-Nicolas sector

Roadway
Bare and Dry
Visibility
Good
20 
Entre le km 279 à Laurier-Station et le km 286 à Saint-Apollinaire Hindrance
Major
Direction
West and east
From April 28, 2025 at 10 p.m.
to May 9, 2025 at 5 p.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
Bare and Dry
Visibility
Good
20  

From :  Cap-Saint-Ignace

To : La Pocatière

Roadway
Bare and Wet
Visibility
Good
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
Matane - Baie-Comeau: The Wednesday, April 30, crossings scheduled for 8 am and 11 am between Matane and Baie-Comeau are canceled. Reason: harsh weather conditions. Visit the Société des traversiers du Québec website. Ferry service : Closed. April 29, 2025
at 4:42 p.m.
Matane - Godbout: The April 30 2 pm crossing has been moved to 1 pm. Reason: harsh weather conditions. Visit the Société des traversiers du Québec website. Ferry service : Open. April 29, 2025
at 4:40 p.m.
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 Wet
Visibility
Good
20  

From :  Saint-Pascal

To : Rivière-du-Loup

Roadway
Bare and Wet
Visibility
Good
20  

From :  Rivière-du-Loup

To : Junction of highway 20 and route Notre-Dame-des-Neiges

Roadway
Bare and Wet
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