Current Warnings | Québec 511

Abitibi-Témiscamingue

In force since

Alternating traffic Chemin de Moffet-Latulipe at height cours d'eau Gilbert, SOUTHBOUND and NORTHBOUND, Latulipe-et-Gaboury, undetermined period. Reason : Flooding.

July 18, 2025
at 8:34 p.m.

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

In force since

Oversized cargo ships are operating between the port of Gros-Cacouna and Saint-Antonin as part of a new wind power project. These transports of immense pieces will continue until the end of November 2025.

The routes used by these transports are highways 20 and 85, routes 191 and 291 as well as local roads such as route de la Station, route des Roches and chemin de Rivière-Verte in Saint-Antonin, among others.

Be careful and patient!

June 9, 2025
at 11:54 a.m.

Chaudière-Appalaches

In force since

Work on pont Pierre-Laporte SOUTHBOUND, between Québec and Lévis, from September 2 to 16. Closure of 2 lanes out of 3, from Sunday to Wednesday between 9 pm and 5 am the next day and Thursday between 10 pm and 5 am the next day.

August 29, 2025
at 11:09 a.m.

L'Isle-aux-Grues - Montmagny: No ferry service from September 2 to 4. Cause: work. Visit the Société des traversiers du Québec website. Ferry service : Closed.

September 2, 2025
at 6:38 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.

640

Closure A-640 at height boulevard De Gaulle, EASTBOUND, Lorraine, undetermined period. Reason : Accident.

September 2, 2025
at 10:54 p.m.

125

Alternating traffic R-125 at height chemin de l'Église, SOUTHBOUND and NORTHBOUND, Chertsey, undetermined period. Reason : Roadwork.

September 2, 2025
at 9:25 p.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)

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.

159

Closure R-159 between R-153 and route du Lac-Pierre-Paul, SOUTHBOUND and NORTHBOUND, Saint-Tite, From September 5, 2025 at 12 a.m. to September 14, 2025 at 11:59 p.m., detour on local network. Reason : Special events.

September 2, 2025
at 10:08 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

June 18, 2025
at 11 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.

Closure rue Lorne at height rivière Châteauguay, SOUTHBOUND and NORTHBOUND, Huntingdon, undetermined period. Reason : Broken structure.

September 1, 2025
at 9:04 a.m.

Montréal

In force since

June 18, 2025
at 11 a.m.

1 lane closed out of 3 A-15 at height Tunnel Notre-Dame-de-Grâce, NORTHBOUND, Montréal, undetermined period. Reason : Accident.

September 2, 2025
at 2:43 p.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.

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

August 29, 2025
at 11:09 a.m.

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.

1 lane closed out of 2 A-73 Laurentienne at height Rue Jacques-Bédard, SOUTHBOUND, Québec, undetermined period. Reason : Roadwork.

August 29, 2025
at 8:50 p.m.

Load limit to 15 tonnes. rang Saint-Elzéar Bridge over the Lombrette River., SOUTHBOUND and NORTHBOUND, Saint-Tite-des-Caps, undetermined period. Reason : Preventive measures.

September 2, 2025
at 6:16 p.m.

Saguenay—Lac-Saint-Jean

In force since

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