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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
Closure R-136 between km 4, Montréal (Ville-Marie) and rue Panet, Montréal, EASTBOUND, From July 2, 2026 at 8 p.m. to July 2, 2026 at 11:59 p.m., detour on local network. Reason : Special events. July 2, 2026
at 6:14 p.m.
Closure Pont Jacques-Cartier between Longueuil and Montréal, WESTBOUND and EASTBOUND, From July 2, 2026 at 8 p.m. to July 2, 2026 at 11:59 p.m., detour Pont Victoria ou pont Samuel-De Champlain. Reason : Special events. July 2, 2026
at 11:13 a.m.
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 Saint-Lambert, la sortie 82 (avenue Nore-dame) Hindrance
Minor 		Direction
West and east 		From July 2, 2026 at 8:30 p.m.
to July 2, 2026 at 11:59 p.m.
20 
 À Longueuil, sortie 81 (boulevard Lafayette) Hindrance
Minor 		Direction
East 		From July 2, 2026 at 8:30 p.m.
to July 2, 2026 at 11:59 p.m.
20 
 À Longueuil, sortie 79 (boulevard Taschereau) Hindrance
Minor 		Direction
West 		From July 2, 2026 at 8:30 p.m.
to July 2, 2026 at 11:59 p.m.
20 
 À Longueuil, accès à partir du boulevard Taschereau Hindrance
Minor 		Direction
West 		From July 2, 2026 at 8:30 p.m.
to July 2, 2026 at 11:59 p.m.
20 
 À Longueuil, l'accès vers A-25 NORD Hindrance
Major 		Direction
East 		From July 3, 2026 at 10:30 p.m.
to July 6, 2026 at 5 a.m.
20 
 À Sainte-Julie, accès à partir de la rue Nobel Hindrance
Minor 		Direction
East 		From July 2, 2026 at 9 p.m.
to July 3, 2026 at 6 a.m.
20 
 Entre l'accès du chemin de Fer-à-Cheval à Sainte-Julie et l'accès de la rue Bernard-Pilon à Saint-Mathieu-de-Beloeil Hindrance
Major 		Direction
West and east 		From July 2, 2026 at 9 p.m.
to July 3, 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.
20 
 À Saint-Mathieu-de-Beloeil, sortie 105 (rue Bernard-Pilon) Hindrance
Minor 		Direction
East 		From July 2, 2026 at 10 p.m.
to July 3, 2026 at 5:30 a.m.
20 
 À Saint-Mathieu-de-Beloeil, accès à partir de la rue Bernard-Pilon Hindrance
Minor 		Direction
East 		From July 2, 2026 at 9 p.m.
to July 3, 2026 at 6 a.m.
20 
 À Beloeil, la sortie 112 (rue Serge-Pépin, R-223) Hindrance
Minor 		Direction
East 		From July 2, 2026 at 10 p.m.
to July 3, 2026 at 5:30 a.m.
20 
 À Saint-Hyacinthe, entre l'avenue de l'Église et la R-116 Hindrance
Major 		Direction
East 		From May 31, 2026 at 7 p.m.
to July 3, 2026 at 6 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 
 Entre le boulevard Saint-Jean à Pointe-Claire et le boulevard Saint-Charles à Beaconsfield Hindrance
Major 		Direction
West 		From July 2, 2026 at 11 p.m.
to July 3, 2026 at 5 a.m.
20 
 À Pointe-Claire, l'accès à partir du boulevard Saint-Jean Hindrance
Minor 		Direction
West 		From July 2, 2026 at 10:30 p.m.
to July 3, 2026 at 5 a.m.
20 
 À Pointe-Claire, l'accès à partir de l'avenue Cartier Hindrance
Minor 		Direction
West 		From July 2, 2026 at 10:30 p.m.
to July 3, 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 Sainte-Eulalie, sortie 215 (rang des Épinettes) Hindrance
Major 		Direction
East 		From June 22, 2026 at 7 p.m.
to July 16, 2026 at 6:30 a.m.
20 
 À Sainte-Eulalie, dans la voie de desserte, vers l'A-20 EST Hindrance
Major 		Direction
East 		From June 22, 2026 at 7 p.m.
to July 16, 2026 at 6:30 a.m.
20 
 Entre le km 210 à Sainte-Eulalie et le km 218 à Daveluyville Hindrance
Major 		Direction
West and east 		From June 22, 2026 at 7 p.m.
to July 16, 2026 at 6:30 a.m.
Chaudière-Appalaches
20 
 Entre la route du Cap à Saint-Apollinaire et le km 307 à Lévis Hindrance
Major 		Direction
West and east 		From May 10, 2026 at 8 p.m.
to July 19, 2026 at 11:59 p.m.
20 
 À Lévis (Saint-Nicolas), sortie 305 (R-171) Hindrance
Major 		Direction
West 		From June 11, 2026 at 8 p.m.
to July 3, 2026 at 6 a.m.
20 
 À Lévis (Saint-Nicolas), accès à partir de la R-171 Hindrance
Major 		Direction
West 		From June 11, 2026 at 8 p.m.
to July 3, 2026 at 6 a.m.
20 
 À Lévis (Saint-Romuald), dans la voie de desserte, entre le km 315 et l'A-73 Hindrance
Major 		Direction
West 		From May 30, 2026 at 8 p.m.
to August 16, 2026 at 11:59 p.m.
20 
 À Lévis, dans la voie de desserte, entre l'A-73 et le km 315 Hindrance
Major 		Direction
East 		From May 30, 2026 at 10 p.m.
to August 16, 2026 at 5:30 a.m.
20 
 À Lévis, dans la voie de desserte, entre la R-175 et l'accès au pont Pierre-Laporte Hindrance
Major 		Direction
West 		From May 20, 2026 at 5 a.m.
to July 24, 2026 at 11:59 p.m.
20 
 À Lévis (Charny), à la hauteur de la R-175 Hindrance
Major 		Direction
West and east 		From June 14, 2026 at 10 p.m.
to August 16, 2026 at 11:59 p.m.
20 
 À Lévis, entre la R-175 et la rivière Etchemin Hindrance
Major 		Direction
West and east 		From June 8, 2026 at 5 a.m.
to September 17, 2026 at 11:59 p.m.
20 
 À Lévis, à l'EST de la R-275 Hindrance
Major 		Direction
East 		From May 13, 2026 at 12 a.m.
to September 17, 2026 at 11:59 p.m.
20 
 À Lévis, sur le pont de la rivière des Couture Hindrance
Minor 		Direction
West 		From July 6, 2026 at 10 p.m.
to July 8, 2026 at 5:30 a.m.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
Pohénégamook – Picard – Saint-Antonin wind farm project and the Wolastokuk territory in the Lower St. Lawrence.

From May 25th until December 2026:

Transports of enormous parts will circulate day and night, between the storage area in Saint-Antonin and the wind farm site on the Rivière-Verte road, the Station and Roches roads and the Champoux road.

Transportation will also be available during the day between Matane and Saint-Antonin on the R-132, the A-20, the R-191, the R-291, the A-85, 6th Range, Route des Roches and Chemin Champoux.

Be careful!

 May 22, 2026
at 11:08 a.m.
Mesgi'g Ugju's'n 2 wind project in Gaspésie, north of L'Alverne and Escuminac

Starting May 27, oversized transport vehicles will be operating in the Gaspé Peninsula until the fall of 2026.

These transports of enormous parts will circulate day and night, on the Inter-Provincial Boulevard between the JC Van Horne bridge and the R-132 in Pointe-à-la-Croix, then on the R-132 towards the access to the Sainte-Florence wind farm site.

Be careful!
 May 22, 2026
at 11:07 a.m.
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.