Québec 511 > Road Conditions > Current Warnings

Current Warnings

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
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 
Closure A-20 between km 621 and km 629, WESTBOUND and EASTBOUND, Saint-Anaclet-de-Lessard, undetermined period, detour on local network. Reason : Accident. September 18, 2025
at 7:05 p.m.
Chaudière-Appalaches In force since
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.
 
Québec - Lévis: Service interrupted on the nights of Monday, September 22 to Wednesday, September 24, between midnight and 2:30 am. Reason: roadworks. Visit the Société des traversiers du Québec Website. Ferry service : Open. September 18, 2025
at 9:29 a.m.
 
Québec - Lévis: The 11:45 am, Friday September 19 crossing is canceled. Reason: works. Ferry service : Open. September 17, 2025
at 2:26 p.m.
175 
Closure Pont de Québec between Lévis and Québec, SOUTHBOUND and NORTHBOUND, From September 20, 2025 at 6 a.m. to September 21, 2025 at 10 a.m.. Reason : Roadwork. September 18, 2025
at 2:13 p.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.
Laval 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.
Mauricie—Centre-du-Québec 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.
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 
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.
55 
Contraflow traffic Pont Laviolette between Bécancour and Trois-Rivières, SOUTHBOUND and NORTHBOUND, From September 19, 2025 at 8 p.m. to September 22, 2025 at 6:30 a.m.. Reason : Roadwork. September 18, 2025
at 2:12 p.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
25 
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.
      
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
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.
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.
      
Slow-moving traffic route 1000 Bridge over the Adopî stream. Load limits 10 tonnes, 15 tonnes, 15 tonnes., SOUTHBOUND and NORTHBOUND, Eeyou Istchee Baie-James, undetermined period. Reason : Reduced charges. September 18, 2025
at 9:59 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
Closure Pont de Québec between Lévis and Québec, SOUTHBOUND and NORTHBOUND, From September 20, 2025 at 6 a.m. to September 21, 2025 at 10 a.m.. Reason : Roadwork. September 18, 2025
at 2:13 p.m.
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.
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.
 
Québec - Lévis: Service interrupted on the nights of Monday, September 22 to Wednesday, September 24, between midnight and 2:30 am. Reason: roadworks. Visit the Société des traversiers du Québec Website. Ferry service : Open. September 18, 2025
at 9:29 a.m.
 
Québec - Lévis: The 11:45 am, Friday September 19 crossing is canceled. Reason: works. Ferry service : Open. September 17, 2025
at 2:26 p.m.
Saguenay—Lac-Saint-Jean 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.