Road Conditions

Laurentides—Lanaudière

• 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 Works: replacement of culverts, Ruisseau de Feu In Terrebonne (Lachenaie) and Charlemagne, between Charles-De Gaulle Bridge and A-640 Traffic on diverted lanes at all times and dynamic lane management: 3 lanes WESTBOUND / Montreal and 2 EASTBOUND From 11:59 p.m. to 10 a.m. the next day, weekdays 3 lanes EASTBOUND / Quebec and 2 WESTBOUND From noon to 10 p.m., weekdays and weekends ----- Change of configuration, from Sunday to Friday between 10 a.m. and noon
• 40 Works: redevelopment of Ruisseau de feu In Terrebonne, between exit 96-E (A-640) and the Charles-De Gaulle bridge In both directions Closure of 2 out of 3 lanes From Wednesday 9 p.m. to Thursday 5 a.m.
• 40 Works: repair of the structure In Sainte-Geneviève-de-Berthierville and Saint-Cuthbert EASTBOUND Closure of exit 151 towards R-138 EAST, at all times Detour: via R-138 WEST, R-158 WEST, A-40 EAST, U-turn exit 155 and A-40 WEST / exit 151 Optional: continue A-40 EAST / Exit 155 Note: complete closure of the R-138 overpass spanning the A-40

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 In Vaudreuil-Dorion and Senneville Félix-Leclerc Highway In both directions On the bridge of Île-aux-Tourtes 2 lanes traffic at all times Speed limit reduction: 70 km/h ----- Heavy vehicles prohibited in the right lane, in either direction -- 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 Metropolitan Express Network (REM) Project In Kirkland On the service road, at the rue Jean-Yves WESTBOUND Closure of 1 out of 3 lanes at all times
• 40 Works : road maintenance In Montreal, service road, at the level of Côte-Vertu Boulevard Complete closure From Wednesday 9 p.m. to Thursday 5 a.m. Detour: Côte-Vertu Road Eastbound, Bégin Street, Thimens and Poirier Boulevards
• 40 In Montreal Anjou Interchange On the ramp leading from A-40 WEST (exit 80-S) to A-25 SOUTH / Tunnel Channeling the track Closure of exit 6 (Beaubien Street, Yves-Prévost Boulevard) at all times for users coming from A-40 WEST Detour: via A-25 SOUTH and exit 5 towards Sherbrooke Street and Langelier Boulevard Track width reduced to 4.5 metres Works: renovation of the Louis-H.-La Fontaine Tunnel
• 40 Works: road maintenance In Montreal, service road, exit 89 (Henri-Bourassa Boulevard, Sherbrooke Street) and Saint-Jean-Baptiste Boulevard Complete closure From Wednesday 10 p.m. to Thursday 5 a.m. Detour A-40 WEST, exit 82, boul. du Golf and Henri-Bourassa Est Note: at 10 p.m., closure of 2 out of 3 lanes on the A-40 west service road (Métropolitain Blvd. West), between Saint-Jean-Baptiste Blvd. and Marien Ave.

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. .
• Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.
  
  Check the roadworks in detail for information, including the planned times of the obstructions.
• 40 Structural repair In Maskinongé, between exit 155 (Saint-Barthélemy, Maskinongé) and exit 160 (Rang de la Rivière Sud-Est). In both directions In both directions. -From August 25 to 28, at all times. Roadside obstructions. Eastbound -Sunday 24, Monday 25 and Thursday 28 August, between 8 p.m. and 5 a.m. the following day. Closure of one lane out of two. Westbound - Tuesday 26 and Wednesday 27 August, between 8 p.m. and 5 a.m. the following day. Closure of one lane out of two. Eastbound Sunday, August 24, lane width reduced to 4.5 meters. Monday 25 and Thursday 28 August, lane width reduced t
• 40 Maintenance -Trois-Rivières sector. -Highway 40 (between Km 192 and Km 196) and highway 55 (between Km 181 and Km 186). In one direction at a time. From August 25 to August 30: - Closure of one lane out of three, from Monday to Sunday, between 9 p.m. and 5:30 a.m. the following day. - Partial obstructions at exits 198, 199 and 201.
• 40 Slab repair (Radisson Bridge) In Trois-Rivières, at the Radisson Bridge, between exit 201 and exit 203. Monday to Wednesday, between 7:30 p.m. and 7 a.m. Thursday, between 8 p.m. and 7 a.m. Sunday, between 9:30 p.m. and 7 a.m. August 21, 24, 25, 28 Westbound: Lane closures, contraflow traffic. Exits 202 and 201 closed. Track width reduced to 3.5 meters. August 20, 26, 27 Eastbound: Lane closures, contraflow traffic. Exits 202, 203-S and 203-N closed. Track width reduced to 3.2 meters. -Until September 5: Westbound, trucks prohibited in the right lane.
• 40 Repair of structures (P-15623S and P-15623N) In Trois-Rivières, between exit 205 (Rue des Prairies) and exit 210 (Route 352, Saint-Maurice). In both directions -From Monday, May 12 to Tuesday, September 16, at all times. Traffic on diverted lanes.

Québec (Capitale-Nationale)

• Oversized shipments are being transported from the ports of Quebec City, Pointe-au-Pic in La Malbaie, and Grande-Anse in Saguenay to Saint-Tite-des-Caps as part of a new wind power project. These shipments of huge pieces will continue until the end of November 2025.
  
  The roads used by these transports are: A-40, A-73 Laurentienne, A-73 Henri-IV, A-440, A-740, R-136, R-138, R-362, R-175, A-70 and local roads.
  
  Be careful and patient!
• Québec - Lévis: No service on Tuesdays and Thursdays from July 31 to August 21 and Saturday, August 23, between 9:30 pm and 10:30 pm. Reason: special events. Ferry service : Open.
• 40 Structural inspection In Québec, toward A-540 SOUTH WESTBOUND Access closed, Sunday between 9 pm and 5:30 am the next day Detour: A-540 NORTH, R-138, avenue Jules-Verne
• 40 Bridge reconstruction In Québec, between A-740 and A-573 WESTBOUND At all times - Traffic on diverted and narrowed lanes to 3.5 meters - Closure of 1 lane out of 2 in the service road EASTBOUND At all times - Traffic on 2 lanes (center and right) diverted and narrowed to 3.5 meters - Contraflow traffic on the opposite roadway (left lane) and reduced to 4 meters - Closure of exit 308 (boulevard Masson)
• 40 Renovation of a bridge In Quebec, to A-40 WEST WESTBOUND Closure of 1 lane out of 2 at all times
• 40 Renovation of a bridge In Quebec, between A-440 Dufferin-Montmorency and boulevard Raymond WESTBOUND At all times - Closure of 1 lane out of 3 - Closure of exit 322 (boulevard des Chutes) Detour: exit 321 (boulevard Raymond) Thursday August 21 between 7 pm and 5:30 am the next day - Closure of 2 lanes out of 3
• 40 Replacement of a bridge In Quebec, to A-40 EAST EASTBOUND At all times - Closure of 1 lane out of 2