Québec 511 > Road Conditions > Current Warnings

Current Warnings

In force since
Closure Pont de l'Île-aux-Tourtes between Senneville and Vaudreuil-Dorion, EASTBOUND, From April 26, 2024 at 11 p.m. to April 28, 2024 at 5 a.m., detour A-20 est. Reason : Roadwork. April 26, 2024
at 10:18 a.m.
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
Closure Pont Papineau-Leblanc between Montréal and Laval, SOUTHBOUND and NORTHBOUND, traffic congestion, From April 26, 2024 at 10 p.m. to April 29, 2024 at 4:30 a.m., detour Ponts Médéric-Martin, Pie-IX ou Viau. Reason : Roadwork. April 26, 2024
at 9:07 a.m.
Additional Information:
Press release (french version)
Closure R-136 Exit 6 - Boul. St-Laurent ..., EASTBOUND, Montréal (Ville-Marie), From April 26, 2024 at 10 p.m. to April 29, 2024 at 5 a.m., detour Sortie 7, rue Panet, avenue Viger. Reason : Roadwork. April 26, 2024
at 10:22 a.m.
Thaw
Thaw period From March 4, 2024
to April 12, 2024
Thaw period From March 18, 2024
to May 10, 2024
Thaw period From March 18, 2024
to May 17, 2024
Abitibi-Témiscamingue In force since
388 
Alternating traffic R-388 at height lac Duparquet, WESTBOUND and EASTBOUND, Rapide-Danseur, undetermined period. Reason : Road failure. April 16, 2024
at 3:37 p.m.
395 
Alternating traffic R-395 at height chemin Jacob, SOUTHBOUND and NORTHBOUND, Amos, undetermined period. Reason : Broken structure. April 25, 2024
at 7:35 p.m.
      
Closure chemin d'Aiguebelle between Lake Genest and Aiguebelle National Park, SOUTHBOUND and NORTHBOUND, Taschereau, From November 15, 2023 at 12 a.m. to May 1, 2024 at 9 a.m.. Reason : Winter closure. October 31, 2023
at 10:51 a.m.
      
Alternating traffic Chemin du Lac-Mourier / Rue La Salle at height chemin des Merles, SOUTHBOUND and NORTHBOUND, Malartic, undetermined period. Reason : Road failure. April 13, 2024
at 1:12 p.m.
      
Closure chemin Duval at height rivière Vassan, WESTBOUND and EASTBOUND, Val-d'Or, undetermined period, detour on local network. Reason : Flooding. April 13, 2024
at 4:34 p.m.
      
Alternating traffic Route du Village / Rue du Village at height rivière Duparquet, SOUTHBOUND and NORTHBOUND, Rapide-Danseur, undetermined period. Reason : Flooding. April 23, 2024
at 3:28 p.m.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine In force since
      
Closure Route du Lac-Sainte-Anne between R-198, Murdochville and R-299, Secteur Mont-Albert, WESTBOUND and EASTBOUND, undetermined period. Reason : Harsh weather conditions. April 25, 2024
at 12:59 a.m.
Chaudière-Appalaches In force since
20 
Closure A-20 Belles-Amours rest stop closed between km 393 and 394. Only parking in the service area is permitted., WESTBOUND, L'Islet, undetermined period. Reason : Closure of services. December 8, 2023
at 9:58 a.m.
Côte-Nord In force since
138 
Alternating traffic R-138 Touzel Bridge, on the Sheldrake river. , WESTBOUND and EASTBOUND, Rivière-au-Tonnerre, undetermined period. Reason : Broken structure. April 26, 2024
at 4:14 p.m.
      
Closure chemin de la Baie-Sainte-Claire between Rue des Menier and Pointe-de-l’Ouest, WESTBOUND and EASTBOUND, L'Île-d'Anticosti, undetermined period. Reason : Reopening planned for May. January 17, 2024
at 4:13 p.m.
      
Closure route Transanticostienne between chemin du Champ-de-Tir and km 264, WESTBOUND and EASTBOUND, L'Île-d'Anticosti, undetermined period. Reason : Reopening planned for April. March 25, 2024
at 7:39 a.m.
Laurentides—Lanaudière In force since
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
Closure Pont Papineau-Leblanc between Montréal and Laval, SOUTHBOUND and NORTHBOUND, traffic congestion, From April 26, 2024 at 10 p.m. to April 29, 2024 at 4:30 a.m., detour Ponts Médéric-Martin, Pie-IX ou Viau. Reason : Roadwork. April 26, 2024
at 9:07 a.m.
Additional Information:
Press release (french version)
50 
Closure A-50 between R-148, Mirabel and avenue Bethany, Lachute, WESTBOUND and EASTBOUND, undetermined period, detour R-148, R-158, Chemin Bethany. Reason : Accident. April 27, 2024
at 6:08 a.m.
      
Alternating traffic Chemin de Saint-Michel at height rue des Épinettes, SOUTHBOUND and NORTHBOUND, Brownsburg-Chatham, undetermined period. Reason : Road failure. April 17, 2024
at 10:05 p.m.
Laval In force since
Closure Pont de l'Île-aux-Tourtes between Senneville and Vaudreuil-Dorion, EASTBOUND, From April 26, 2024 at 11 p.m. to April 28, 2024 at 5 a.m., detour A-20 est. Reason : Roadwork. April 26, 2024
at 10:18 a.m.
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
Closure Pont Papineau-Leblanc between Montréal and Laval, SOUTHBOUND and NORTHBOUND, traffic congestion, From April 26, 2024 at 10 p.m. to April 29, 2024 at 4:30 a.m., detour Ponts Médéric-Martin, Pie-IX ou Viau. Reason : Roadwork. April 26, 2024
at 9:07 a.m.
Additional Information:
Press release (french version)
Closure R-136 Exit 6 - Boul. St-Laurent ..., EASTBOUND, Montréal (Ville-Marie), From April 26, 2024 at 10 p.m. to April 29, 2024 at 5 a.m., detour Sortie 7, rue Panet, avenue Viger. Reason : Roadwork. April 26, 2024
at 10:22 a.m.
Mauricie—Centre-du-Québec In force since
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. April 25, 2024
at 3:25 p.m.
Additional Information:
55 
1 lane closed out of 2 Pont Laviolette between Bécancour and Trois-Rivières, SOUTHBOUND and NORTHBOUND, From April 26, 2024 at 8 p.m. to April 29, 2024 at 6:30 a.m.. Reason : Roadwork. April 24, 2024
at 9:19 a.m.
Montérégie In force since
40 
Closure Pont de l'Île-aux-Tourtes between Senneville and Vaudreuil-Dorion, EASTBOUND, From April 26, 2024 at 11 p.m. to April 28, 2024 at 5 a.m., detour A-20 est. Reason : Roadwork. April 26, 2024
at 10:18 a.m.
25 
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
Closure R-136 Exit 6 - Boul. St-Laurent ..., EASTBOUND, Montréal (Ville-Marie), From April 26, 2024 at 10 p.m. to April 29, 2024 at 5 a.m., detour Sortie 7, rue Panet, avenue Viger. Reason : Roadwork. April 26, 2024
at 10:22 a.m.
20 
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later. February 15, 2024
at 10:17 a.m.
20 
Slow-moving traffic A-20 Towards A-10 west, direction Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. February 15, 2024
at 10:14 a.m.
Montréal In force since
Closure Pont de l'Île-aux-Tourtes between Senneville and Vaudreuil-Dorion, EASTBOUND, From April 26, 2024 at 11 p.m. to April 28, 2024 at 5 a.m., detour A-20 est. Reason : Roadwork. April 26, 2024
at 10:18 a.m.
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
February 15, 2024
at 12:29 p.m.
19 
Closure Pont Papineau-Leblanc between Montréal and Laval, SOUTHBOUND and NORTHBOUND, traffic congestion, From April 26, 2024 at 10 p.m. to April 29, 2024 at 4:30 a.m., detour Ponts Médéric-Martin, Pie-IX ou Viau. Reason : Roadwork. April 26, 2024
at 9:07 a.m.
Additional Information:
Press release (french version)
136 
Closure R-136 Exit 6 - Boul. St-Laurent ..., EASTBOUND, Montréal (Ville-Marie), From April 26, 2024 at 10 p.m. to April 29, 2024 at 5 a.m., detour Sortie 7, rue Panet, avenue Viger. Reason : Roadwork. April 26, 2024
at 10:22 a.m.
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later. February 15, 2024
at 10:17 a.m.
Slow-moving traffic A-20 Towards A-10 west, direction Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. February 15, 2024
at 10:14 a.m.
Outaouais In force since
Closure Pont de l'Île-aux-Tourtes between Senneville and Vaudreuil-Dorion, EASTBOUND, From April 26, 2024 at 11 p.m. to April 28, 2024 at 5 a.m., detour A-20 est. Reason : Roadwork. April 26, 2024
at 10:18 a.m.
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 Chemin du Barrage, on the bridge over Rivière Blanche. Lane width reduced to 4.6 meters., WESTBOUND and EASTBOUND, Val-des-Monts, undetermined period. Reason : Preventive measures. December 2, 2022
at 4:09 p.m.
Saguenay—Lac-Saint-Jean In force since
172 
Bridge over the Rivière aux Vases closed.

1 km detour for all vehicles via Adélard Street at all times. Indefinite period.
January 30, 2024
at 11:14 a.m.