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Québec 511 > Road Conditions > By Region and by Road > Autoroute 40

Autoroute 40

Road Conditions
Roadway
Bare (dry or wet)
Partly snow covered, snow packed
or ice covered
Snow covered, snow packed
or ice covered
Visibility
Good
Fair
Poor
Roadwork
Minor hindrance
Major hindrance
Other informations
Warning
Trucks prohibited
Ferry
Border crossing
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. . 		June 18, 2025
at 11 a.m.
40 
 À Terrebonne (Lachenaie) et Charlemagne, entre pont Charles-De Gaulle et A-640 Hindrance
Major 		Direction
West and east 		From July 26, 2025 at 3 a.m.
to September 30, 2025 at 11:59 p.m.
40 
 À Sainte-Geneviève-de-Berthierville et Saint-Cuthbert Hindrance
Minor 		Direction
East 		From May 11, 2025 at 8 p.m.
to October 19, 2025 at 11:59 p.m.
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. . 		June 18, 2025
at 11 a.m.
40 
 À Vaudreuil-Dorion et Senneville (île de Montréal), sur le pont de l'Île-aux-Tourtes Hindrance
Major 		Direction
West and east 		From September 15, 2025 at 12:01 a.m.
to December 31, 2026 at 5 a.m.
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. . 		June 18, 2025
at 11 a.m.
40 
 À Montréal, entre l'échangeur des Laurentides et le boulevard de l'Acadie Hindrance
Major 		Direction
East 		From September 17, 2025 at 10 p.m.
to September 18, 2025 at 5 a.m.
40 
 À Montréal Échangeur Anjou Dans la bretelle menant de A-40 OUEST (sortie 80-S) à A-25 SUD / tunnel Hindrance
Minor 		Direction
West 		From October 15, 2022 at 5 a.m.
to December 31, 2025 at 5 a.m.
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. . 		June 18, 2025
at 11 a.m.
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.		 June 9, 2025
at 11:51 a.m.
Additional Information:
40 
 À Maskinongé, entre la sortie 155 (Saint-Barthélemy, Maskinongé) et la sortie 160 (Rang de la Rivière Sud-Est). Hindrance
Minor 		Direction
West and east 		From August 24, 2025 at 8 p.m.
to November 9, 2025 at 11:59 p.m.
40 
 À Yamachiche, sous le pont d'étagement situé sur la route 153 (Boulevard Duchesne). Hindrance
Major 		Direction
West and east 		From September 17, 2025 at 8:30 a.m.
to September 17, 2025 at 4:30 p.m.
40 
 À Trois-Rivières, entre l'autoroute 55 et le boulevard des Chenaux. Hindrance
Minor 		Direction
East 		From September 15, 2025 at 12:01 a.m.
to September 19, 2025 at 11:59 p.m.
40 
 À Trois-Rivières, au pont Radisson, situé au-dessus de la rivière Saint-Maurice, entre la sortie 201 (boulevard des Chenaux) et la sortie 203 (route 157, boulevard Thibeau, Notre-Dame-du-Mont-Carmel, Shawinigan). Hindrance
Major 		Direction
West and east 		From July 14, 2025 at 7 p.m.
to September 25, 2025 at 6 a.m.
40 
 À Trois-Rivières, entre la sortie 205 (Rue des Prairies) et la sortie 210 (Route 352, Saint-Maurice). Hindrance
Major 		Direction
West and east 		From April 4, 2025 at 12:01 a.m.
to October 31, 2025 at 11:59 p.m.
40 
 Entre la sortie 236 (Route 159, Sainte-Anne-de-la-Pérade, Saint-Prosper, Saint-Stanislas, Saint-Tite) à Sainte-Anne-de-la-Pérade et la sortie 229 (Route 361, Batiscan, Sainte-Geneviève-de-Batiscan) à Sainte-Geneviève-de-Batiscan. Hindrance
Major 		Direction
West 		From September 18, 2025 at 8 p.m.
to September 26, 2025 at 12 p.m.
Québec (Capitale-Nationale)
Roadwork on pont Pierre-Laporte, NORTHBOUND, between Québec and Lévis, from September 14 to 18. Closure of 2 lanes out of 3, Sunday between 10 pm and 5 am the next day and from Monday to Thursday between 9 pm and 5 am the next day. September 12, 2025
at 5 a.m.
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 Charest, A-740, R-136, R-138, R-362, R-175, A-70 and local roads.

Be careful and patient!		 August 21, 2025
at 1:27 p.m.
40 
 À Deschambault-Grondines, entre la route Guilbault et la R-363 Hindrance
Minor 		Direction
West and east 		From September 14, 2025 at 6 p.m.
to September 19, 2025 at 6 a.m.
40 
 À Neuville, entre la R-365 et la route Gravel Hindrance
Minor 		Direction
In one direction at a time 		From September 14, 2025 at 6 p.m.
to September 19, 2025 at 6 a.m.
40 
 À Saint-Augustin-de-Desmaures, à la hauteur du chemin Girard Hindrance
Major 		Direction
East 		From September 22, 2025 at 8 a.m.
to September 24, 2025 at 4 p.m.
40 
 À Saint-Augustin-de-Desmaures, entre la R-367 et la R-138 Hindrance
Minor 		Direction
West and east 		From September 14, 2025 at 6 p.m.
to September 19, 2025 at 6 a.m.
40 
 À Québec, à la hauteur de l'avenue Le Gendre Hindrance
Minor 		Direction
In one direction at a time 		From September 14, 2025 at 10 p.m.
to September 19, 2025 at 5:30 a.m.
40 
 À Québec, à la hauteur de l'avenue Blaise-Pascal Hindrance
Minor 		Direction
In one direction at a time 		From September 14, 2025 at 8 p.m.
to September 19, 2025 at 5:30 a.m.
40 
 À Québec, entre l'A-740 et l'A-573 Hindrance
Major 		Direction
West and east 		From March 24, 2025 at 12 a.m.
to November 14, 2025 at 11:59 p.m.
40 
 À Québec, à la hauteur de l'avenue D'Estimauville Hindrance
Minor 		Direction
In one direction at a time 		From September 14, 2025 at 10 p.m.
to September 19, 2025 at 5:30 a.m.
40 
 À Québec, vers l'A-40 EST Hindrance
Major 		Direction
East 		From May 6, 2025 at 10 p.m.
to December 31, 2025 at 11:59 p.m.