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
Thaw
Thaw period From March 16, 2026
to May 15, 2026
Thaw period From April 13, 2026
to June 12, 2026
Thaw period From April 13, 2026
to June 12, 2026
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 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 
Entre le chemin du Fer-à-Cheval à Sainte-Julie et la rue Bernard-Pilon à Saint-Mathieu-de-Beloeil Hindrance
Minor
Direction
East
From March 22, 2026 at 10 p.m.
to November 30, 2026 at 11:59 p.m.
20  

From :  Mont-Saint-Hilaire

To : Sainte-Hélène-de-Bagot

Roadway
Bare and Dry
Visibility
Good
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 Dry
Visibility
Good
20  

From :  Dorval

To : Turcot Interchange

Roadway
Bare and Dry
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 Dry
Visibility
Good
20  

From :  Drummondville

To : Sainte-Eulalie

Roadway
Bare and Dry
Visibility
Good
20 
À Notre-Dame-du-Bon-Conseil, au pont Charles-Bourgeois situé au-dessus de la rivière Nicolet Sud-Ouest. Hindrance
Major
Direction
West and east
From March 10, 2026 at 9 a.m.
to November 15, 2026 at 7 a.m.
20 
À Sainte-Eulalie, à la sortie 210 (Autoroute 55 nord, route 161, Bécancour, Trois-Rivières, Sainte-Eulalie, Saint-Valère / Autoroute 955, Saint-Samuel, Saint-Albert, Victoriaville, Warwick). Hindrance
Major
Direction
West and east
From April 7, 2026 at 7 a.m.
to May 8, 2026 at 5 p.m.
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
Chaudière-Appalaches
Québec - Lévis: Departures every 60 minutes from each shore for an indefinite period. Consult the Société des traversiers du Québec website. Ferry service : Open. April 2, 2026
at 6:09 a.m.
Closure A-20 Chaudière-Appalaches rest area (service area) closed until March 23 inclusive. Parking permitted and chemical toilets installed., EASTBOUND, From March 16, 2026 at 11:07 a.m. to April 2, 2026 at 11 p.m.. Reason : Roadwork. March 24, 2026
at 11:07 a.m.
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 
À Saint-Apollinaire, sortie 296 (route du Cap) Hindrance
Major
Direction
West
From April 5, 2026 at 7 p.m.
to April 7, 2026 at 7 a.m.
20 
Closure A-20 Chaudière-Appalaches rest area (service area) closed until March 23 inclusive. Parking permitted and chemical toilets installed., EASTBOUND, From March 16, 2026 at 11:07 a.m. to April 2, 2026 at 11 p.m.. Reason : Roadwork. March 24, 2026
at 11:07 a.m.
20  

From :  Lévis Saint-Nicolas sector

To : Lévis, route Lallemand

Roadway
Bare and Dry
Visibility
Good
20 
À Lévis, à l'EST de la R-116 Hindrance
Minor
Direction
West and east
From April 7, 2026 at 10 p.m.
to April 10, 2026 at 5:30 a.m.
20 
À Lévis (Saint-Jean-Chrysostome), sur le pont de la rivière Etchemin Hindrance
Minor
Direction
East
From April 7, 2026 at 9 a.m.
to April 7, 2026 at 12 p.m.
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 
À Cap-Saint-Ignace, à la hauteur de la route du Petit-Cap Hindrance
Minor
Direction
East
From April 2, 2026 at 8 a.m.
to April 2, 2026 at 5 p.m.
20 
À Saint-Roch-des-Aulnaies, à la hauteur de la R-132 Hindrance
Minor
Direction
West
From April 2, 2026 at 9 a.m.
to April 2, 2026 at 5 p.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 : Junction of highway 20 and route 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 Dry
Visibility
Good
20  

From :  Rimouski, montée Industrielle-et-Commerciale

To : Mont-Joli

Roadway
Bare and Dry
Visibility
Good