Current Warnings | Québec 511

Abitibi-Témiscamingue

In force since

From July 24 to 26: Junior World Championship, every day between 7 a.m. and 6 p.m. in the municipalities of Ville-Marie, Duhamel-Ouest, Laniel and the city of Témiscamingue in Abitibi.

Cycling, running and canoeing events take place over 160 kilometers through lakes, forests, fields and rivers.

Be careful when approaching these 200 participants.

July 21, 2026
at 11 a.m.

397

Closure R-397 at height rivière Laflamme, SOUTHBOUND and NORTHBOUND, Secteur Lac-Despinassy, undetermined period, detour R-113 , R-386. Reason : Broken structure.

July 22, 2026
at 2:05 p.m.

Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine

In force since

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.

291

Closure R-291 at height rue Caillouette, SOUTHBOUND and NORTHBOUND, Saint-Épiphane, undetermined period, detour on local network. Reason : Roadwork.

July 22, 2026
at 9:05 a.m.

299

Alternating traffic R-299 at height km 20, SOUTHBOUND and NORTHBOUND, Secteur Rivière-Bonaventure, undetermined period. Reason : Erosion.

May 13, 2026
at 8:28 p.m.

299

Alternating traffic R-299 at height petit ruisseau Morency, SOUTHBOUND and NORTHBOUND, Secteur Rivière-Bonaventure, undetermined period. Reason : Erosion.

May 13, 2026
at 8:22 p.m.

Chaudière-Appalaches

In force since

L'Isle-aux-Grues - Montmagny: Schedule modified. Please visit the Société des traversiers du Québec website. Ferry service : Open.

July 20, 2026
at 11:52 a.m.

Closure route Commerciale closed between R-132 and Route Saint-Jean-Baptiste, SOUTHBOUND and NORTHBOUND, Lotbinière, From June 8, 2026 at 7 a.m. to August 14, 2026 at 6 p.m.. Reason : Roadworks.

July 14, 2026
at 9:34 a.m.

Estrie

In force since

204

1 lane closed out of 2 R-204 at height chemin du Lac-Drolet, WESTBOUND and EASTBOUND, Audet, undetermined period. Reason : Road failure.

April 13, 2026
at 7:27 a.m.

Laurentides—Lanaudière

In force since

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.

343

Alternating traffic R-343 at height rivière L'Assomption, SOUTHBOUND and NORTHBOUND, Saint-Paul, undetermined period. Reason : Inspection.

April 14, 2026
at 2:49 p.m.

In Wentworth-Nord, the bridge over Lake Saint-François-Xavier is closed.

Cause: Preventive measures.

Indefinite duration.

December 3, 2025
at 5:26 p.m.

Contraflow traffic rue Baby on the bridge, 1 lane in each direction. Lane width: 3.2 meters, WESTBOUND and EASTBOUND, Joliette, undetermined period. Reason : Inspection.

September 23, 2025
at 10:13 a.m.

Laval

In force since

June 18, 2025
at 11 a.m.

Mauricie—Centre-du-Québec

In force since

June 18, 2025
at 11 a.m.

Montérégie

In force since

June 18, 2025
at 11 a.m.

116

Alternating traffic R-116 between rue Dauphinais and rue Lanoie, WESTBOUND and EASTBOUND, Upton, undetermined period. Reason : Utility work.

July 22, 2026
at 9:16 a.m.

138	Truck traffic prohibited pont Honoré-Mercier Passage PROHIBITED to heavy vehicles (three axles or more), Monday to Friday: towards Montreal (EAST), 5 a.m. to 9:30 a.m. and towards the South Shore (WEST), 3 p.m. to 7 p.m., WESTBOUND and EASTBOUND, From July 17, 2026 at 11 p.m. to August 3, 2026 at 5 a.m.. Reason : Roadwork.	July 15, 2026 at 2:37 p.m.
	Additional Information:
	Map of the bridge area(117 Kb)

Montréal

In force since

	Truck traffic prohibited pont Honoré-Mercier Passage PROHIBITED to heavy vehicles (three axles or more), Monday to Friday: towards Montreal (EAST), 5 a.m. to 9:30 a.m. and towards the South Shore (WEST), 3 p.m. to 7 p.m., WESTBOUND and EASTBOUND, From July 17, 2026 at 11 p.m. to August 3, 2026 at 5 a.m.. Reason : Roadwork.	July 15, 2026 at 2:37 p.m.
	Additional Information:
	Map of the bridge area(117 Kb)

June 18, 2025
at 11 a.m.

Nord-du-Québec

In force since

Alternating traffic route du Nord at height rivière Broadback, SOUTHBOUND and NORTHBOUND, Eeyou Istchee Baie-James, undetermined period. Reason : Preventive measures.

December 12, 2024
at 10:57 a.m.

Alternating traffic route du Nord at height rivière Barlow, SOUTHBOUND and NORTHBOUND, Eeyou Istchee Baie-James, undetermined period. Reason : Preventive measures.

December 12, 2024
at 11:41 a.m.

Alternating traffic Route Billy-Diamond at height km 454, SOUTHBOUND and NORTHBOUND, Eeyou Istchee Baie-James, undetermined period. Reason : Road failure.

May 27, 2026
at 7:11 a.m.

Outaouais

In force since

Alternating traffic chemin du Barrage on the bridge over the Blanche River. Lane width reduced to 4.6 meters., WESTBOUND and EASTBOUND, Val-des-Monts, undetermined period. Reason : Preventive measures.

July 30, 2025
at 11:17 a.m.

Québec (Capitale-Nationale)

In force since

Des Neiges Wind Farm Project – South Sector, in the Saint-Tite-des-Caps area and in the Charlevoix region.

From the end of June to the end of October 2026, oversized transport vehicles will be circulating on the road network of the Quebec City, Capitale-Nationale, and Saguenay-Lac-Saint-Jean regions.

Be careful!

July 2, 2026
at 4 p.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.

L'Isle-aux-Coudres - Saint-Joseph-de-la-Rive: Modified schedule for Thursday, July 23. Please consult the Société des traversiers du Québec website for more information. Ferry service : Open.

July 22, 2026
at 6:08 a.m.

Saguenay—Lac-Saint-Jean

In force since

July 2, 2026
at 4 p.m.

169

Closure R-169 between 2e Avenue and rue Plante, SOUTHBOUND and NORTHBOUND, Péribonka, From July 22, 2026 at 10 a.m. to July 26, 2026 at 4 p.m., detour NORD: 1re Avenue, rue Villeneuve SUD: rue Plante, 2e Avenue. Reason : Special events.

July 17, 2026
at 9:46 a.m.

Alternating traffic rue Joseph-W.-Fleury between chemin Saint-François, Alma and 1re Avenue Est, L'Ascension-de-Notre-Seigneur, WESTBOUND and EASTBOUND, undetermined period. Reason : Roadwork.

July 22, 2026
at 7:51 a.m.