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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
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 Coteau-du-Lac Entre la R-201 et la rue Sauvé Hindrance
Minor 		Direction
West and east 		From September 8, 2025 at 7:30 p.m.
to December 31, 2025 at 5:30 a.m.
20 
 Entre Saint-Mathieu-de-Beloeil et Mont-Saint-Hilaire Entre les km 110 et 114, incluant le pont Arthur-Branchaud Hindrance
Major 		Direction
West and east 		From September 14, 2025 at 10 p.m.
to September 15, 2025 at 5:30 a.m.
20 
 À Saint-Mathieu-de-Beloeil et Beloeil, entre les km 109 et 112 Hindrance
Major 		Direction
West and east 		From May 2, 2025 at 10 p.m.
to November 30, 2025 at 5:30 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.
Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.

Check the roadworks in detail for information, including the planned times of the obstructions.		 June 9, 2025
at 11:51 a.m.
Additional Information:
20 
 À Saint-Germain-de-Grantham, entre la sortie 166 (Saint-Edmond-de-Grantham) et la sortie 170 (Route 122, Saint-Germain-de-Grantham, Yamaska, Sorel-Tracy). Hindrance
Major 		Direction
East 		From September 1, 2025 at 9 p.m.
to October 15, 2025 at 6:30 a.m.
20 
 À Drummondville et Saint-Germain-de-Grantham, entre la sortie 170 et la sortie 181. Hindrance
Major 		Direction
West and east 		From August 14, 2025 at 8:30 p.m.
to September 20, 2025 at 6:30 a.m.
20 
 À Drummondville, entre la sortie 175 (Route 143 Nord, Boulevard Lemire, Saint-Bonaventure, Saint-François-du-Lac) et la sortie 181 (Boulevard Foucault). Hindrance
Major 		Direction
East 		From August 24, 2025 at 8 p.m.
to September 20, 2025 at 6:30 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 17, 2025 at 6 p.m.
to November 15, 2025 at 10 a.m.
20 
 À Notre-Dame-du-Bon-Conseil, sous le pont d'étagement situé sur le 9e Rang de Wendover. Hindrance
Major 		Direction
West and east 		From September 17, 2025 at 7 p.m.
to September 18, 2025 at 2 a.m.
20 
 À Notre-Dame-du-Bon-Conseil, sous le pont d'étagement situé sur le 12e Rang de Wendover. Hindrance
Major 		Direction
West and east 		From September 18, 2025 at 7 p.m.
to September 19, 2025 at 6:30 a.m.
20 
 À Sainte-Eulalie, à proximité de la sortie 215 (Rang des Épinettes). Hindrance
Major 		Direction
West and east 		From September 15, 2025 at 7 a.m.
to September 25, 2025 at 5 p.m.
20 
 À Daveluyville, halte routière entre km 223 et 224 Hindrance
Minor 		Direction
East 		From July 4, 2024 at 7 p.m.
to September 30, 2025 at 6 p.m.
20 
 Closure A-20 Daveluyville stop, EASTBOUND, From July 4, 2024 at 6 p.m. to September 30, 2025 at 6 a.m.. Reason : Roadwork. February 28, 2025
at 2:09 p.m.
Chaudière-Appalaches
Roadwork on pont Pierre-Laporte, NORTHBOUND, between Québec and Lévis, from September 14 to 18. Closure of 2 lanes out of 3, Sunday between 10 pm and 5 am the next day and from Monday to Thursday between 9 pm and 5 am the next day. September 12, 2025
at 5 a.m.
20 
 Entre la route du Cap à Saint-Apollinaire et la R-171 à Lévis Hindrance
Major 		Direction
West and east 		From June 15, 2025 at 7 p.m.
to September 26, 2025 at 6 a.m.
20 
 À Lévis (Charny), entre l'A-20 et la rue du Parc-des-Chutes Hindrance
Minor 		Direction
South 		From September 17, 2025 at 9 a.m.
to September 17, 2025 at 3 p.m.
20 
 À Lévis (Charny), entre l'A-73 et le km 316 Hindrance
Major 		Direction
East 		From September 15, 2025 at 9 p.m.
to September 16, 2025 at 4 a.m.
20 
 À Lévis, entre la R-175 et la R-116 Hindrance
Minor 		Direction
West 		From September 14, 2025 at 10 p.m.
to September 17, 2025 at 5:30 a.m.
20 
 À Lévis, à la hauteur du chemin des Îles Hindrance
Major 		Direction
East 		From August 19, 2025 at 8 p.m.
to September 29, 2025 at 5:30 a.m.
20 
 À Lévis, entre la R-275 et la R-173 Hindrance
Major 		Direction
West and east 		From September 16, 2025 at 6 p.m.
to September 17, 2025 at 6 a.m.
20 
 À Saint-Pierre-de-la-Rivière-du-Sud, à la hauteur de la route Jean-Baptiste-Casault Hindrance
Major 		Direction
East 		From September 16, 2025 at 8 a.m.
to September 16, 2025 at 5 p.m.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
As part of the Pohénégamook – Picard – Saint-Antonin wind project and the Wolastokuk territory, non-standard transport will be operating in the Bas-Saint-Laurent region until the end of November 2025.

These transports of enormous pieces circulate day and night, between the port of Gros-Cacouna and Saint-Antonin on the A-20, the A-85, the R-191, the R-291, the Station and Roches roads and the Rivière-Verte road.

These transports also operate during the day between Matane and Saint-Antonin on the R-132, the A-20, the R-191, the R-291, the A-85, 6e Rang, route des Roches and chemin Champoux		 September 5, 2025
at 10:48 a.m.
20 
 À Saint-Alexandre-de-Kamouraska, de part et d'autre de la R-289 Hindrance
Major 		Direction
West and east 		From August 27, 2025 at 12 a.m.
to October 8, 2025 at 11:59 p.m.
20 
 À Notre-Dame-du-Portage, entre la côte de la Mer et l'A-85 Hindrance
Major 		Direction
West and east 		From August 8, 2025 at 6 p.m.
to September 26, 2025 at 11:59 p.m.
20 
 À Cacouna, à la hauteur de la R-191 Hindrance
Minor 		Direction
In one direction at a time 		From September 15, 2025 at 7 a.m.
to September 19, 2025 at 6 p.m.