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
Montérégie
Louis-Hippolyte-La Fontaine tunnel

Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .
June 18, 2025
at 11 a.m.
20  

From :  Rivière-Beaudette, Ontario border

To : Les Cèdres, chemin Saint-Dominique

Roadway
Bare and Wet
Visibility
Good
20 
À Saint-Zotique Sur l'autoroute du Souvenir à la hauteur de la sortie 9 (34e avenue) Hindrance
Minor
Direction
West
From January 7, 2026 at 9 p.m.
to January 9, 2026 at 5 a.m.
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 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 Wet
Visibility
Good
20 
À Sainte-Hélène-de-Bagot Autoroute Jean-Lesage Entre la sortie 152 (Sainte-Hélène-de-Bagot) et l'entrée suivante Hindrance
Minor
Direction
West and east
From January 12, 2026 at 9 p.m.
to January 13, 2026 at 5 a.m.
Montréal
Louis-Hippolyte-La Fontaine tunnel

Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .
June 18, 2025
at 11 a.m.
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
Louis-Hippolyte-La Fontaine tunnel

Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .
June 18, 2025
at 11 a.m.
20  

From :  Sainte-Hélène-de-Bagot

To : Drummondville

Roadway
Bare and Wet
Visibility
Good
20  

From :  Drummondville

To : Sainte-Eulalie

Roadway
Bare and Wet
Visibility
Good
20  

From :  Sainte-Eulalie

To : Saint-Louis-de-Blandford

Roadway
Bare and Wet
Visibility
Good
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Wet
Visibility
Good
Chaudière-Appalaches
L'Isle-aux-Grues - Montmagny: Air service is available. Visit the Société des traversiers du Québec website. Ferry service : Closed. December 8, 2025
at 6:12 a.m.
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 Wet
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 Wet
Visibility
Good
20  

From :  Cap-Saint-Ignace

To : La Pocatière

Roadway
Bare and Dry
Visibility
Good
20 
1 lane closed out of 2 A-20 at height km 396, WESTBOUND, L'Islet, undetermined period. Reason : Roadway departure. January 8, 2026
at 2:22 p.m.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
Rivière-du-Loup - Saint-Siméon. Ferry service : Closed. January 4, 2026
at 4:47 p.m.
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 Wet
Visibility
Good
20  

From :  Rimouski, montée Industrielle-et-Commerciale

To : Mont-Joli

Roadway
Bare and Wet
Visibility
Good