Road Conditions

Laurentides—Lanaudière

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 Sheathing At Charlemagne, towards Highway 640 WEST WESTBOUND Access closed Detour: in the interchange
40 Road resurfacing In Repentigny, at the level of De La Rochelle Boulevard In both directions Closure of 1 out of 3 lanes

Montérégie

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 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 Structural repair In Montreal, between King René Boulevard and Marien Avenue EASTBOUND Highway closed Detour Exit 82 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 Maintenance In Trois-Rivières, at A-55 (km 196) In both directions Closure of 1 lane out of 2
40 Maintenance In Trois-Rivières, between boulevard des Récollets and rue du Père-Daniel EASTBOUND Depending on the progress of the work: Closure of 1 lane out of 3 Short-term closure of exit 198 (boulevard des Récollets) Short-term closure of the access from boulevard des Récollets Detour: Local network
40 Structural inspection In Trois-Rivières, between rue du Père-Daniel and rue Laviolette EASTBOUND Closure of 2 lanes out of 3, from Monday to Wednesday between 7:30 pm and 6:30 am the following day
40 Structural inspection In Trois-Rivières, access from rue Sainte-Marguerite to A-40 EASTBOUND EASTBOUND Access closed, from Monday to Wednesday between 7:30 pm and 6:30 am the following day Detour: A-40 WEST, exit 198 (boulevard des Récollets), boulevard des Récollets
40 Maintenance In Trois-Rivières, between rue du Père-Daniel and boulevard des Récollets WESTBOUND Closure of 1 lane out of 3 Short-term closure of exit 198 (boulevard des Récollets) Short-term closure of the access from boulevard des Récollets Detour: Local network
40 Maintenance In Trois-Rivières, near exit 201 (Boulevard des Chenaux), on the Radisson bridge located over the Saint-Maurice river. Heading East Closure of one lane out of three. Monday 25th and Wednesday 27th May, between 8:30 pm and 6 am the following day.
40 Structural inspection In Trois-Rivières, exit 199 (Trois-Rivières, Centre-ville) EASTBOUND Exit closed, Monday to Wednesday between 7:30 pm and 6:30 am the next day Detour: exit 201 (boulevard des Chenaux), boulevard des Chenaux, A-40 WEST
40 Maintenance In Trois-Rivières, exit 199 (Trois-Rivières, centre-ville) WESTBOUND Exit closed Detour: local network
40 Maintenance In Trois-Rivières, near exit 202 (Boulevard des Estacades), on the Radisson bridge located over the Saint-Maurice river. Heading west Monday 25th and Tuesday 26th May, between 8:30 pm and 6 am the following day. Closure of one lane out of three.
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 Structural inspection In Québec, toward A-740 NORTH EASTBOUND Access closed Detour: Boulevard Pierre-Bertrand
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 Structural inspection In Québec, on the service road, at A-740 In both directions Service road closed
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 Structural inspection In Québec, toward A-740 SOUTH EASTBOUND Access closed Detour: Boulevard Pierre-Bertrand
40 Structural inspection In Québec, at A-740 WESTBOUND Roadway closed Detour: Service road
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, exit 322 (Boulevard des Chutes) EASTBOUND Exit closed From Sunday to Wednesday between 7 p.m. and 5:30 a.m. the following day Thursday between 8 p.m. and 5:30 a.m. the following day Detour: A-440 WEST, Boulevard des Chutes
40 Bridge repair In Quebec City, at the level of Boulevard des Chutes EASTBOUND Closure of 1 out of 3 lanes From Sunday to Wednesday between 7 p.m. and 5:30 a.m. the following day Closure of 2 out of 3 lanes Thursday between 8 p.m. and 7:30 p.m. the following day