Québec 511 > Road Conditions > By Region and by Road > Autoroute 25

Autoroute 25

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
Thaw
Thaw period From March 16, 2026
to May 15, 2026
Thaw period From April 13, 2026
to May 22, 2026
Thaw period From April 20, 2026
to May 29, 2026
Laurentides—Lanaudière
Alternating traffic R-343 at height rivière L'Assomption, SOUTHBOUND and NORTHBOUND, Saint-Paul, undetermined period. Reason : Inspection. April 14, 2026
at 2:49 p.m.
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. September 23, 2025
at 10:13 a.m.
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.
25 
À Mascouche et à Terrebonne, à la hauteur de l'A-640 Hindrance
Major
Direction
South
From May 20, 2026 at 9:30 p.m.
to May 21, 2026 at 5 a.m.
25 
À Saint-Roch-Ouest, sur le pont de la rivière de l'Achigan Hindrance
Minor
Direction
South
From May 21, 2026 at 6 a.m.
to May 21, 2026 at 6 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.
25 
Entre Longueuil et Montréal, le tunnel Louis-Hippolyte-La Fontaine Hindrance
Major
Direction
South and north
From May 5, 2025 at 5 a.m.
to December 31, 2026 at 11:59 p.m.
25 
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.
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.
25 
Entre Longueuil et Montréal, le tunnel Louis-Hippolyte-La Fontaine Hindrance
Major
Direction
South and north
From May 5, 2025 at 5 a.m.
to December 31, 2026 at 11:59 p.m.
25 
À Montréal, la sortie 5 (rue Sherbrooke) Hindrance
Major
Direction
North
From May 20, 2026 at 9 p.m.
to May 21, 2026 at 5 a.m.
25 
À Montréal, dans la voie de desserte, de part et d'autre de la rue Sherbrooke Hindrance
Minor
Direction
North
From May 20, 2026 at 9 p.m.
to May 21, 2026 at 5 a.m.