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Québec 511 > Trucking > Hindrances Related to Load and Size > 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
Sorel-Tracy - Saint-Ignace-de-Loyola: Schedule modified for an indefinite period. Ferries depart from Saint-Ignace-de-Loyola on the hour and from Sorel-Tracy on the half hour. Reason: Only 1 ferry in operation. Consult the Société des traversiers du Québec website. Ferry service : Open. May 28, 2026
at 6:04 a.m.
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 
 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 
 1 lane closed out of 2 A-20 between km 140.5 and km 138.5, WESTBOUND, Saint-Hyacinthe, undetermined period. Reason : Roadwork. May 30, 2026
at 1:44 p.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 
 Entre la R-122 à Saint-Germain-de-Grantham et la R-143 à Drummondville Hindrance
Major 		Direction
West and east 		From June 2, 2026 at 8:30 p.m.
to June 12, 2026 at 6:30 a.m.
Chaudière-Appalaches
20 
 Entre la route du Cap à Saint-Apollinaire et la R-171 à Lévis Hindrance
Major 		Direction
West 		From May 10, 2026 at 8 p.m.
to October 9, 2026 at 7 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 2, 2026 at 11:59 p.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.