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 Equipment maintenance In Saint-Cuthbert, at the R-138 WESTBOUND Closure of 1 out of 2 lanes

Montérégie

From Thursday, June 11, to Sunday, June 14, traffic disruptions are expected on certain roads in Québec, in the Montérégie and Estrie regions, as Grand défi Pierre Lavoie cyclists pass through.
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 Repair In Vaudreuil-Dorion, near exit 26 (Saint-Lazare, Daoust Road) Eastbound Complete closure Detour via Daoust Road, entrance to A-40 East
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

From Thursday, June 11, to Sunday, June 14, traffic disruptions are expected on certain roads in Québec, in the Montérégie and Estrie regions, as Grand défi Pierre Lavoie cyclists pass through.
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 Paint In Montreal, between the Laurentides interchange and Acadie Boulevard EASTBOUND Closure of 1 out of 2 lanes
40 Interview In Montreal, at the Laurentian interchange WESTBOUND Highway closed Western Detour
40 Structural repair In Montreal, on the Metropolitan Highway, at the Lacordaire Boulevard intersection WESTBOUND Closure of 1 out of 3 lanes
40 Structural repair In Montreal, on the Metropolitan Highway in the service road, at the Lacordaire Boulevard interchange WESTBOUND Road Closed Detour Exit towards Boulevard Lacordaire
40 Structural repair In Montreal, between Roi-René Boulevard and Marien Avenue EASTBOUND Highway closed Detour EAST service road
40 Structural repair In Montreal, between Henri-Bourassa and Gouin boulevards EASTBOUND Closure of 2 out of 3 lanes

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 Yamachiche, on rivière Yamachiche bridge In both directions Closure of 1 lane out of 2, Monday and Tuesday between 7 a.m. and 6 p.m.
40 Drilling In Trois-Rivières, at chemin des Petites-Terres In both directions Closure of 1 lane out of 2
40 Structural inspection In Trois-Rivières, at Chemin des Petites-Terres One direction at a time Closure of 1 lane out of 2
40 Bridge repair In Trois-Rivières, between rue Laviolette and boulevard Thibeau EASTBOUND Closure of 1 lane out of 2 Lane width reduced to 4.5 meters
40 Bridge repair In Trois-Rivières, rue Bonaventure, at A-40 In both directions Alternating traffic, from Tuesday to Thursday between 9 am and 3 pm
40 Bridge repair In Trois-Rivières, access from rue de Callières WESTBOUND Access closed - Sunday between 9 p.m. and 6:30 a.m. - From Monday to Wednesday between 7:30 p.m. and 6:30 a.m. - Thursday between 8:30 pm and 6 am Detour: boulevard des Estacades, A-40 EST, échangeur 203-N (boulevard Thibeau NORD)
40 Bridge repair In Trois-Rivières, access from rue Vachon EASTBOUND Access closed Detour: boulevard des Estacades, A-40 WEST, exit 199 (Downtown), rue Saint-Roch
40 Bridge repair In Trois-Rivières, between boulevard Thibeau and rue Laviolette WESTBOUND Closure of 1 to 2 lanes out of 2 or 3 - Wednesday June 10, between 7:30 pm and 6 am - Sunday June 14 between 9 pm and 6:30 am - From Monday June 15 to Wednesday June 17 between 7:30 pm and 6:30 am - Thursday June 18 between 8:30 pm and 6 am Lane width reduced to 4.5 meters
40 Maintenance Between km 210 in Trois-Rivières and km 244 in Sainte-Anne-de-la-Pérade One direction at a time Closure of 1 lane out of 2
40 Culvert repairs In Champlain, on both sides of R-359 EASTBOUND At all times Road closed, contraflow traffic on the opposite roadway Exit 220 (R-359) closed Detour: Exit 229 (R-361), A-40 WEST, Exit 220 (R-359)
40 Culvert repair Between km 237 in Sainte-Anne-de-la-Pérade and km 226 in Batiscan In both directions WESTBOUND At all times Roadway closed, traffic diverted to the opposite roadway Closure of exit 229 (R-361) Detour: Exit 220 (R-359), A-40 EASTBOUND, Exit 229 (R-361)
40 Maintenance In Sainte-Anne-de-la-Pérade, on rivière Sainte-Anne bridge In one direction at a time Closure of 1 lane out of 2

Québec (Capitale-Nationale)

From Wednesday, June 10, to Sunday, June 14, traffic disruptions are expected on certain roads in Chaudière-Appalaches and the Capitale-Nationale region as Tour de Beauce cyclists pass through.
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, at R-363 WESTBOUND Closure of 1 lane out of 2 at all times
40 Maintenance In Portneuf, WEST of rue Provencher EASTBOUND Closure of 1 lane out of 2
40 Bridge reconstruction In Québec, to A-73 Henri-IV NORTH EASTBOUND Access closed, Thursday between 8 p.m. and 5:30 a.m. the next day Detour: A-740
40 Bridge reconstruction In Quebec City, on the service road, between boulevard Pierre-Bertrand and A-740 WESTBOUND Closure of 1 lane out of 2 - Monday and Tuesday between 7 p.m. and 9 p.m. Closure of the service road at A-740 - Monday and Tuesday between 9 p.m. and 5:30 a.m. Detour: A-740 SOUTH, A-440 Charest WEST
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 Bridge reconstruction In Quebec, access from rue Jean-Perrin WESTBOUND Access closed, Monday and Tuesday between 9:00 p.m. and 5:30 am. Detour: Boulevards Saint-Jacques, Lebourgneuf, A-740, A-440
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 reconstruction In Québec, access from Rue Morand EASTBOUND Access closed, Thursday between 7 pm and 5:30 am the next day Detour: Light vehicles: Boulevard Wilfrid-Hamel and A-740 NORTH Heavy vehicles: Boulevard Masson, Boulevard Wilfrid-Hamel, A-740 N or A-40 OUEST, A-573 SUD, A-440 EST, A-740 NORD
40 Bridge reconstruction In Quebec City, access from rue Armand-Viau WESTBOUND Access closed, Monday and Tuesday between 7 p.m. and 5:30 a.m. Detour: rue Armand-Viau, boulevard de l'Auvergne, A-573 SOUTH
40 Bridge reconstruction In Quebec City, between Pierre-Bertrand and de l'Ormière boulevards WESTBOUND Closure of 2 lanes out of 3 at boulevard Pierre-Bertrand - Monday and Tuesday between 8 p.m. and 5:30 a.m. Highway closed at A-740 - Monday and tuesday and Thursday between 9 p.m. and 5:30 a.m. Detour: A-740 SOUTH, A-440 Charest WEST
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