Québec 511 > Road Conditions > Current Warnings

Current Warnings

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.
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 10, 2024
Abitibi-Témiscamingue In force since
Closure Route Principale between R-109 and chemin de la Sablière, WESTBOUND and EASTBOUND, Authier-Nord, undetermined period. Reason : Flooding. April 13, 2024
at 4:33 a.m.
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.
391 
Alternating traffic R-391 between montée Guérin and chemin du Lac-Lasniel, SOUTHBOUND and NORTHBOUND, Guérin, undetermined period. Reason : Flooding. April 18, 2024
at 5:46 p.m.
395 
Closure R-395 at height chemin Jacob, SOUTHBOUND and NORTHBOUND, Amos, undetermined period, detour on local network. Reason : Broken structure. April 15, 2024
at 5:09 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.
      
Closure chemin de Pénétration at height chemin du Lac-Moran, SOUTHBOUND and NORTHBOUND, Béarn, undetermined period, detour R-391, chemins des 7 ième et 1 rangs, chemin des Quinze, rang 6 ième. Reason : Flooding. April 15, 2024
at 3:34 p.m.
      
Alternating traffic Chemin des 6e-et-7e-Rangs-de-Chazel at height route Principale, SOUTHBOUND and NORTHBOUND, Authier-Nord, undetermined period. Reason : Flooding. April 17, 2024
at 4:11 p.m.
      
Closure 1re Avenue Est at height rivière Loïs, WESTBOUND and EASTBOUND, Macamic, undetermined period, detour on local network. Reason : Flooding. April 16, 2024
at 2:45 p.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.
      
Alternating traffic Chemin des 9e-et-10e-Rangs at height chemin du Nord, SOUTHBOUND and NORTHBOUND, Languedoc, undetermined period. Reason : Flooding. April 13, 2024
at 4:55 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.
      
Closure rang Lavigne at height rivière Pelletier, WESTBOUND and EASTBOUND, Rouyn-Noranda, undetermined period, detour on local network. Reason : Flooding. April 17, 2024
at 4:48 p.m.
      
Closure Route du Village / Rue du Village between R-388 and rang du Coin-St-Pierre, SOUTHBOUND and NORTHBOUND, Rapide-Danseur, undetermined period, detour on local network. Reason : Flooding. April 12, 2024
at 12:27 p.m.
Chaudière-Appalaches In force since
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
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, undetermined period. Reason : Broken structure. March 26, 2024
at 4:17 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.
Estrie In force since
      
Alternating traffic WINDER (PONT) at height rivière Massawippi, SOUTHBOUND and NORTHBOUND, Sherbrooke, undetermined period. Reason : Broken structure. April 8, 2024
at 8:51 p.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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
      
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.
      
Closure Chemin de Château-Bleu at height rivière du Nord, SOUTHBOUND and NORTHBOUND, Sainte-Agathe-des-Monts, undetermined period, detour on local network. Reason : Flooding. April 16, 2024
at 10:14 a.m.
Laval 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.
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. February 19, 2024
at 3:59 p.m.
Additional Information:
55 
1 lane closed out of 2 Pont Laviolette between Bécancour and Trois-Rivières, SOUTHBOUND and NORTHBOUND, From April 19, 2024 at 8 p.m. to April 22, 2024 at 6:30 a.m.. Reason : Roadwork. April 17, 2024
at 11:26 a.m.
Montérégie In force since
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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
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
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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
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.
136 
Closure Access R-136 at height Accès Lucien-L'Allier (Entrée), WESTBOUND, Montréal, undetermined period, detour on local network. Reason : Roadwork. April 18, 2024
at 11:40 a.m.
Nord-du-Québec In force since
      
Closure Route Principale between R-109 and chemin de la Sablière, WESTBOUND and EASTBOUND, Authier-Nord, undetermined period. Reason : Flooding. April 13, 2024
at 4:33 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 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.
Québec (Capitale-Nationale) In force since
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
175 
1 lane closed out of 2, Contraflow traffic R-175 between km 89 and km 95, SOUTHBOUND and NORTHBOUND, Secteur Lac-Jacques-Cartier, From April 21, 2024 at 12:01 a.m. to April 24, 2024 at 11:59 p.m.. Reason : Special events. April 17, 2024
at 1:29 p.m.
Saguenay—Lac-Saint-Jean In force since
1 lane closed out of 2, Contraflow traffic R-175 between km 89 and km 95, SOUTHBOUND and NORTHBOUND, Secteur Lac-Jacques-Cartier, From April 21, 2024 at 12:01 a.m. to April 24, 2024 at 11:59 p.m.. Reason : Special events. April 17, 2024
at 1:29 p.m.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024. February 19, 2024
at 3:59 p.m.
Additional Information:
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.