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 20, 2026
to June 19, 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 Wet
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, l'accès à partir de la R-132 OUEST vers A-10 EST Hindrance
Major
Direction
West
From April 16, 2026 at 10 p.m.
to April 17, 2026 at 5 a.m.
20  

From :  Junction of highways 20 and 25 in Longueuil

To : Sainte-Julie

Roadway
Bare and Wet
Visibility
Fair
20  

From :  Sainte-Julie

To : Mont-Saint-Hilaire

Roadway
Bare and Wet
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 Wet
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 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 
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 
À Daveluyville, à proximité de la sortie 220 (Route 261, Bécancour, Daveluyville, Victoriaville). Hindrance
Major
Direction
West and east
From April 16, 2026 at 8:30 p.m.
to April 17, 2026 at 6 a.m.
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Dry
Visibility
Good
Chaudière-Appalaches
Closure A-73 Autoroute Henri-IV between R-175 and A-440 Charest, SOUTHBOUND and NORTHBOUND, Québec, From April 17, 2026 at 9 p.m. to April 20, 2026 at 5:30 a.m., detour A-540. Reason : Roadwork. April 15, 2026
at 6:27 a.m.
Additional Information:
Press release
MAJOR WORKS in Quebec from April 17 to 20 - Demolition of the overpass on Chemin Sainte-Foy, above A-73 (Henri-IV), from Friday evening to Monday morning. For details on the various traffic disruptions associated with these roadworks, please consult the hindrances and warnings. April 13, 2026
at 2:36 p.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 Wet
Visibility
Good
20 
Entre le km 257 à Villeroy et le km 263 à Val-Alain Hindrance
Major
Direction
East
From April 12, 2026 at 6 p.m.
to April 23, 2026 at 10 p.m.
20 
À Laurier-Station, à la hauteur de la R-271 Hindrance
Minor
Direction
East
From April 20, 2026 at 9 p.m.
to April 21, 2026 at 7 a.m.
20 
À Laurier-Station, à la hauteur de la R-271 Hindrance
Minor
Direction
West
From April 20, 2026 at 9 p.m.
to April 21, 2026 at 7 a.m.
20 
À Notre-Dame-du-Sacré-Coeur-d'Issoudun, à la hauteur de la route du Tunnel Hindrance
Minor
Direction
West
From April 20, 2026 at 9 p.m.
to April 21, 2026 at 7 a.m.
20 
À Saint-Apollinaire, à la hauteur de la route du Bois-de-l'Ail Hindrance
Minor
Direction
West
From April 20, 2026 at 9 p.m.
to April 21, 2026 at 7 a.m.
20 
À Saint-Apollinaire, à la hauteur de la R-273 Hindrance
Minor
Direction
West
From April 20, 2026 at 9 p.m.
to April 21, 2026 at 7 a.m.
20 
À Saint-Apollinaire, à la hauteur de la route du Cap Hindrance
Minor
Direction
East
From April 20, 2026 at 10 p.m.
to April 21, 2026 at 5:30 a.m.
20 
À Saint-Apollinaire, à la hauteur de la route du Cap Hindrance
Minor
Direction
West
From April 20, 2026 at 10 p.m.
to April 21, 2026 at 5:30 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
Bare and Dry
Visibility
Good
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: For updates on the status of the ferry service, please consult the ferry Website. Ferry service : Open. April 2, 2026
at 11:53 a.m.
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 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