Québec 511 > Trucking > Hindrances Related to Load and Size > 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 
Contraflow traffic A-40 between rang de la Rivière-Bayonne Sud, Sainte-Geneviève-de-Berthier and chemin de Joliette, Lanoraie, WESTBOUND and EASTBOUND, undetermined period. Reason : Road failure. August 26, 2025
at 9:16 a.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, autoroute Félix-Leclerc, sur le pont de l'Île-aux-Tourtes Hindrance
Major
Direction
West and east
From April 28, 2025 at 5 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 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 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 21, 2025 at 6 a.m.
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 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 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.