Road Conditions

Laurentides—Lanaudière

Sorel-Tracy - Saint-Ignace-de-Loyola: Schedule modified for an indefinite period. Ferries depart from Saint-Ignace-de-Loyola on the hour and from Sorel-Tracy on the half hour. Reason: Only 1 ferry in operation. Consult the Société des traversiers du Québec website. Ferry service : Open.
Alternating traffic R-343 at height rivière L'Assomption, SOUTHBOUND and NORTHBOUND, Saint-Paul, undetermined period. Reason : Inspection.
Contraflow traffic rue Baby on the bridge, 1 lane in each direction. Lane width: 3.2 meters, WESTBOUND and EASTBOUND, Joliette, undetermined period. Reason : Inspection.
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. .
40 Road maintenance In Charlemagne and Terrebonne (Lachenaie), near Highway 640 In both directions Closure of 1 out of 3 lanes
40 Road maintenance In Repentigny, at the level of Valmont Street In both directions Closure of 1 out of 2 lanes
40 Structural inspection Between Route 138 in Saint-Cuthbert and Route 158 in Berthierville WESTBOUND Highway closed Detour Exit 151, R-138

Montérégie

Closure A-20 Roadside rest stop at Saint-Nazaire-d'Acton, WESTBOUND and EASTBOUND, Saint-Nazaire-d'Acton, From June 1, 2026 at 7 a.m. to June 19, 2026 at 6 p.m.. Reason : Roadwork.
Sorel-Tracy - Saint-Ignace-de-Loyola: Schedule modified for an indefinite period. Ferries depart from Saint-Ignace-de-Loyola on the hour and from Sorel-Tracy on the half hour. Reason: Only 1 ferry in operation. Consult the Société des traversiers du Québec website. Ferry service : Open.
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. .
40 Structural repair In Vaudreuil-Dorion, at exit 26 (Daoust Road) Westbound Highway closed Daoust Road Detour, A-40 WEST Entrance
40 Structural repair In Vaudreuil-Dorion, access from Daoust NORTH Road WESTBOUND Access closed Detour R-342 WEST, Côte Saint-Charles
40 Between Midnight and 10 a.m. 3 lanes, EASTBOUND (Montreal) and 2 lanes, WESTBOUND (Vaudreuil-Dorion) Between Noon and 10 p.m. 3 lanes, WESTBOUND and 2 lanes, EASTBOUND Note: 2 lanes per direction during phase change WESTBOUND configuration will be maintained during weekends and holidays At all times: - Heavy vehicles are prohibited from using the right-hand lane - Overloaded vehicles prohibited

Montréal

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. .
40 Île-aux-Tourtes Bridge Reconstruction Project In Senneville In both directions The Senneville Road turntable must be closed at all times. Senneville Road Detour
40 Between Midnight and 10 a.m. 3 lanes, EASTBOUND (Montreal) and 2 lanes, WESTBOUND (Vaudreuil-Dorion) Between Noon and 10 p.m. 3 lanes, WESTBOUND and 2 lanes, EASTBOUND Note: 2 lanes per direction during phase change WESTBOUND configuration will be maintained during weekends and holidays At all times: - Heavy vehicles are prohibited from using the right-hand lane - Overloaded vehicles prohibited
40 Securing structures In Mont-Royal, at the Décarie interchange, access from A-40 EAST to A-15 SOUTH (exit 66) EASTBOUND Access closed Detour Exit 68, Stinson Street, A-40 WEST, A-520 WEST, A-40 EAST service road
40 Interview In Montreal, at the Laurentian interchange WESTBOUND Highway closed Western Detour
40 Structural repair In Montreal, the Metropolitan Highway, at the level of Lacordaire Boulevard EASTBOUND Closure of 1 out of 3 lanes
40 Structural repair In Montreal, the Metropolitan Highway, in the service road, at the level of Lacordaire Boulevard EASTBOUND Road closed Detour Boulevard Lacordaire
40 Structural repair In Montreal, between Saint-Jean-Baptiste and Henri-Bourassa boulevards EASTBOUND Highway closed Detour Exit 89 and EAST service

Mauricie—Centre-du-Québec

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. .
40 Structural inspection In Maskinongé, at rang de la Rivière Sud-Est In one direction at a time Closure of 1 lane out of 2
40 Maintenance In Trois-Rivières, at exits 199 (Centre-Ville) In both directions Closure of 1 out of 2 lanes
40 Interview In Trois-Rivières, Radisson bridge, over the Saint-Maurice river WESTBOUND Closure of 2 out of 3 lanes
40 Maintenance In Sainte-Geneviève-de-Batiscan, on the Batiscan river bridge In one direction at a time Closure of 1 lane out of 2
40 Bridge repairs Between Route 361 in Sainte-Geneviève-de-Batiscan and Route 159 in Sainte-Anne-de-la-Pérade Road closed EASTBOUND, contraflow traffic on the opposite roadway - Continuously, from Sunday at 10 p.m. to Friday at 12 p.m. EASTBOUND: Lane width reduced to 5 meters

Québec (Capitale-Nationale)

Tadoussac - Baie-Sainte-Catherine: Schedule modified for an undetermined period. Consult the Société des traversiers du Québec website. Ferry service : Open.
Rivière-du-Loup - Saint-Siméon: For updates on the status of the ferry service, please consult the ferry Website. Ferry service : Open.
40 Bridge repair In Deschambault-Grondines, access from R-363. WESTBOUND Access closed, Monday and Tuesday between 7 a.m. and 5 p.m. Detour: A-40 EAST, route Proulx
40 Bridge repair In Deschambault-Grondines, at R-363 WESTBOUND Closure of 1 lane out of 2 at all times
40 Bridge reconstruction In Quebec on the service road, WEST of A-740 WESTBOUND Closure of 1 lane out of 2 at all times
40 Asphalting In Quebec City, between Highway 740 and A-573 WESTBOUND Highway closed Detour: A-740, A-440 Charest WEST
40 Bridge reconstruction In Quebec, between A-740 and boulevard de l'Ormière WESTBOUND - Traffic on diverted and narrowed lanes to 3.5 meters each at all times
40 Bridge repair In Quebec City, exit 322 (boulevard des Chutes) WESTBOUND Exit closed at all times Detour: exit 321 (boulevard Raymond, rue Labelle ), rue Yves-Prévost, A-40 EAST
40 Bridge repair In Quebec City, between autoroute Dufferin-Montmorency and boulevard des Chutes WESTBOUND Closure of 1 lane out of 2 or 3 at all times