Current Warnings | Québec 511

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

In force since

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.

Chaudière-Appalaches

In force since

112

Closure R-112 between R-161, Beaulac-Garthby and R-161, Saint-Gérard, WESTBOUND and EASTBOUND, undetermined period, detour on local network. Reason : Accident.

November 3, 2025
at 7:56 a.m.

Estrie

In force since

610

1 lane closed out of 2 A-610 at height km 9, EASTBOUND, Sherbrooke, undetermined period. Reason : Accident.

November 3, 2025
at 7:22 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.

138

Alternating traffic R-138 between rue Antonio-Mondor and rue René-Rondeau, WESTBOUND and EASTBOUND, Lanoraie, undetermined period. Reason : Broken structure.

October 22, 2025
at 11:39 a.m.

Sorel-Tracy - Saint-Ignace-de-Loyola: Ferries from Saint-Ignace-de-Loyola depart on the hour and from Sorel-Tracy at half past the hour until mid-November. Cause: 1 ferry in operation. Visit the Société des traversiers du Québec website. Ferry service : Open.

October 17, 2025
at 6:07 a.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.

	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:
	Work schedule(159 Kb)
	Press release(116 Kb)

155

Alternating traffic R-155 at height crique des Îles, SOUTHBOUND and NORTHBOUND, Grandes-Piles, undetermined period. Reason : Rockslide risk.

November 3, 2025
at 9:21 a.m.

Closure rang Saint-Joseph at the height of the Ludger Carignan stream, SOUTHBOUND and NORTHBOUND, Saint-Célestin, undetermined period, detour A-55, A-20. Reason : Culvert break.

June 12, 2025
at 5:11 p.m.

Montérégie

In force since

1 lane closed out of 3 A-10 at height boulevard Pelletier, EASTBOUND, Brossard, undetermined period. Reason : Truck towing.

November 3, 2025
at 9:38 a.m.

June 18, 2025
at 11 a.m.

October 17, 2025
at 6:07 a.m.

Closure delisle Road between old Chateauguay Road and river Road, SOUTHBOUND and NORTHBOUND, Kahnawake, undetermined period. Reason : Work site.

June 9, 2025
at 2:38 p.m.

Closure old Chateauguay Road and Kirby Road, WESTBOUND and EASTBOUND, Kahnawake, undetermined period. Reason : Work Site.

June 9, 2025
at 2:44 p.m.

Montréal

In force since

June 18, 2025
at 11 a.m.

2 lanes closed out of 3 A-40 at height Sortie A-520, Côte-de-Liesse, WESTBOUND, Montréal, traffic congestion, undetermined period. Reason : Accident.

November 3, 2025
at 9:50 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 rivière Rupert, SOUTHBOUND and NORTHBOUND, Eeyou Istchee Baie-James, undetermined period. Reason : Broken structure.

November 2, 2025
at 9:46 a.m.

Outaouais

In force since

321

In Saint-André-Avellin, on the bridge of rivière Petite Nation river bridge, track width reduced to 2.5 meters SOUTHBOUND. Undetermined period. Cause: preventive measures.

October 6, 2022
at 1:46 a.m.

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

Oversized shipments are being transported from the ports of Quebec City, Pointe-au-Pic in La Malbaie, and Grande-Anse in Saguenay to Saint-Tite-des-Caps as part of a new wind power project. These shipments of huge pieces will continue until the end of November 2025.

The roads used by these transports are: A-40, A-73 Laurentienne, A-73 Henri-IV, A-440 Charest, A-740, R-136, R-138, R-362, R-175, A-70 and local roads.

Be careful and patient!

August 21, 2025
at 1:27 p.m.

Saguenay—Lac-Saint-Jean

In force since

August 21, 2025
at 1:27 p.m.