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Current Warnings
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.
Québec wide
Thaw period
Abitibi-Témiscamingue
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.
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
Rivière-du-Loup - Saint-Siméon. Ferry service : Closed.
Chaudière-Appalaches
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
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.
L'Isle-aux-Grues - Montmagny: Airline service available. Visit the Société des ferry du Québec website. Ferry service : Closed.
Côte-Nord
138
Alternating traffic R-138 Touzel Bridge, over Sheldrake River. , WESTBOUND and EASTBOUND, Rivière-au-Tonnerre, undetermined period. Reason : Broken structure.
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.
Closure route Transanticostienne between km 2 and km 264, WESTBOUND and EASTBOUND, L'Île-d'Anticosti, undetermined period. Reason : Reopening planned for April.
Laurentides—Lanaudière
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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
158
Closure R-158 between chemin Saint-Simon and boulevard de Saint-Canut, WESTBOUND, Mirabel, undetermined period. Reason : Accident.
370
Alternating traffic R-370 at height rue de l'Arbre-Sec, WESTBOUND and EASTBOUND, Sainte-Adèle, undetermined period. Reason : Utility work.
Laval
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.
Mauricie—Centre-du-Québec
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
Montérégie
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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
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.
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.
Montréal
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.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
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.
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.
Outaouais
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.
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.
Québec (Capitale-Nationale)
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
740
1 lane closed out of 3 A-740 at height Chemin des Quatre-Bourgeois, NORTHBOUND, Québec, undetermined period.
Rivière-du-Loup - Saint-Siméon. Ferry service : Closed.
Slow-moving traffic chemin des Coudriers Traffic on the diversion path at Chemin de la Bourroche, WESTBOUND and EASTBOUND, L'Isle-aux-Coudres, undetermined period. Reason : Work planned later.
Saguenay—Lac-Saint-Jean
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
172
Bridge over the Rivière aux Vases closed.
1 km detour for all vehicles via Adélard Street at all times. Indefinite period.
Current Warnings
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