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Québec 511 > Road Conditions > By Region and by Road > Autoroute 640

Autoroute 640

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.
640 
 À Deux-Montagnes et Saint-Eustache, entre les km 9 et 11 Hindrance
Minor 		Direction
West and east 		From April 27, 2025 at 12:01 a.m.
to September 10, 2025 at 11:59 p.m.
640 
 À Saint-Eustache, au niveau 25e Avenue Hindrance
Minor 		Direction
West and east 		From August 9, 2025 at 11:59 p.m.
to October 3, 2025 at 11:59 p.m.
640 
 À Terrebonne L'accès boulevard Marcel-Therrien et Montée des Pionniers vers A-640 EST Hindrance
Minor 		Direction
East 		From March 6, 2025 at 5 a.m.
to December 31, 2025 at 9 p.m.
640 
 À Terrebonne (Lachenaie), l'accès montée des Pionniers vers A-640 OUEST Hindrance
Minor 		Direction
West 		From May 12, 2025 at 7 a.m.
to October 31, 2025 at 10 p.m.
640 
 À Terrebonne (arr. Lachenaie), au niveau des sorties 50 (montée des Pionniers) Hindrance
Minor 		Direction
West and east 		From August 25, 2025 at 4 a.m.
to October 31, 2025 at 9 p.m.