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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 May 22, 2026
Thaw period
From April 20, 2026
to May 29, 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
À Vaudreuil-Dorion, entre la route Hardwood et l'avenue Ranger
Hindrance
Major
Direction
East
From May 12, 2026 at 12:01 a.m.
to June 25, 2026 at 11:59 p.m.
20
À Vaudreuil-Dorion, entre l'avenue Ranger et la route Hardwood
Hindrance
Major
Direction
West
From May 11, 2026 at 12:01 a.m.
to June 28, 2026 at 11:59 p.m.
20
À Boucherville Entre chemin du Fer-à-Cheval et la rue Bernard Pilon
Hindrance
Major
Direction
West and east
From May 21, 2026 at 10 p.m.
to May 22, 2026 at 5:30 a.m.
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.
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
À Dorval, à la hauteur de l'accès du boulevard Fénelon
Hindrance
Minor
Direction
West
From May 21, 2026 at 11:30 p.m.
to May 22, 2026 at 5 a.m.
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
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 Daveluyville, à la hauteur de la R-261
Hindrance
Minor
Direction
East
From May 21, 2026 at 7 a.m.
to May 22, 2026 at 6 p.m.
20
À Saint-Louis-de-Blandford, entre la rivière Bécancour et la R-165
Hindrance
Minor
Direction
West
From May 27, 2026 at 8 a.m.
to May 27, 2026 at 5 p.m.
20
À Villeroy, entre la sortie 253 (Route 265, Plessisville, Deschaillons, Villeroy) et la sortie 256 (15e et 16e Rangs de Villeroy).
Hindrance
Minor
Direction
East
From May 4, 2026 at 7 a.m.
to June 4, 2026 at 6 p.m.
Chaudière-Appalaches
20
Entre le km 264 à Val-Alain et le km 256 à Villeroy
Hindrance
Major
Direction
West
From May 20, 2026 at 10 p.m.
to May 22, 2026 at 12 p.m.
20
À Val-Alain, à la hauteur de la rue Principale
Hindrance
Minor
Direction
West and east
From May 21, 2026 at 11 p.m.
to May 22, 2026 at 6 a.m.
20
À Saint-Janvier-de-Joly, à la hauteur de la route du Village
Hindrance
Minor
Direction
West and east
From May 25, 2026 at 8 a.m.
to May 25, 2026 at 5 p.m.
20
Entre la route du Cap à Saint-Apollinaire et la R-171 à Lévis
Hindrance
Major
Direction
West and east
From May 10, 2026 at 8 p.m.
to October 9, 2026 at 7 a.m.
20
À Lévis, à la hauteur de la route Germain
Hindrance
Minor
Direction
East
From May 21, 2026 at 11 p.m.
to May 22, 2026 at 6 a.m.
20
À Lévis, entre le km 310 et le km 320
Hindrance
Minor
Direction
East
From May 3, 2026 at 8:30 p.m.
to May 29, 2026 at 5 a.m.
20
À Lévis, dans la voie de desserte, à la hauteur de la R-175
Hindrance
Major
Direction
West
From May 20, 2026 at 5 a.m.
to July 2, 2026 at 11:59 p.m.
20
À Lévis, entre l'A-73 et la R-275
Hindrance
Major
Direction
East
From May 18, 2026 at 9:30 p.m.
to June 5, 2026 at 5 a.m.
20
À Lévis, à l'EST de la rivière Etchemin, au km 319
Hindrance
Minor
Direction
West
From May 13, 2026 at 12 a.m.
to June 1, 2026 at 11:59 p.m.
20
À Lévis, à l'EST de la rivière Etchemin, au km 319
Hindrance
Major
Direction
East
From May 13, 2026 at 12 a.m.
to June 1, 2026 at 11:59 p.m.
20
À Lévis, entre le km 320 et le km 310
Hindrance
Minor
Direction
West
From May 3, 2026 at 8:30 p.m.
to May 29, 2026 at 5 a.m.
20
À Lévis, à la hauteur de la R-173
Hindrance
Minor
Direction
West and east
From May 21, 2026 at 11 p.m.
to May 22, 2026 at 6 a.m.
20
À Lévis, à la hauteur de la route Lallemand
Hindrance
Minor
Direction
In one direction at a time
From May 21, 2026 at 8 p.m.
to May 22, 2026 at 5 a.m.
20
Entre la montée de la Station à Saint-Vallier et le chemin des Poirier à Montmagny
Hindrance
Minor
Direction
In one direction at a time
From May 25, 2026 at 7 a.m.
to May 28, 2026 at 5 p.m.
20
À Cap-Saint-Ignace, sur le pont de la rivière Bras Saint-Nicolas
Hindrance
Minor
Direction
West
From May 21, 2026 at 8:30 a.m.
to May 21, 2026 at 12 p.m.
20
Entre le km 434 à La Pocatière et le km 433 à Saint-Roch-des-Aulnaies
Hindrance
Minor
Direction
West
From May 19, 2026 at 12 a.m.
to May 28, 2026 at 11:59 p.m.
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
Entre le km 448 à Rivière-Ouelle et le km 451 à Saint-Pacôme
Hindrance
Major
Direction
West and east
From May 4, 2026 at 4 p.m.
to November 16, 2026 at 11:59 p.m.
20
À Rimouski, entre la R-132 et la R-232
Hindrance
Major
Direction
West and east
From May 26, 2026 at 8:30 a.m.
to May 27, 2026 at 5 p.m.