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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
Sorel-Tracy - Saint-Ignace-de-Loyola: Ferries from Saint-Ignace-de-Loyola depart on the hour and from Sorel-Tracy at half past the hour until mid-November. Cause: 1 ferry in operation. Visit the Société des traversiers du Québec website. Ferry service : Open. October 17, 2025
at 6:07 a.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.
640  

From :  Saint-Joseph-du-Lac

To : Saint-Eustache

 Roadway
Bare and Dry 		Visibility
Good
640 
 À Sainte-Marthe-sur-le-Lac, avant l'accès boulevard Laurette-Théorêt Hindrance
Minor 		Direction
East 		From October 20, 2025 at 11:59 p.m.
to October 24, 2025 at 11:59 p.m.
640  

From :  Saint-Eustache

To : Bois-des-Filion

 Roadway
Bare and Dry 		Visibility
Good
640 
 À Saint-Eustache, au niveau 25e Avenue Hindrance
Minor 		Direction
West and east 		From August 9, 2025 at 11:59 p.m.
to December 5, 2025 at 11:59 p.m.
640 
 À Boisbriand et Sainte-Thérèse, entre A-15 et R-117 Hindrance
Major 		Direction
East 		From October 17, 2025 at 11 p.m.
to October 20, 2025 at 5 a.m.
640 
 À Rosemère, la sortie 22 (R-117, Blainville) Hindrance
Major 		Direction
East 		From October 17, 2025 at 11 p.m.
to October 20, 2025 at 5 a.m.
640 
 À Blainville et Rosemère, entre chemin du Bas-de-Sainte-Thérèse et boulevard René-A.-Robert Hindrance
Minor 		Direction
West 		From October 19, 2025 at 9 p.m.
to October 20, 2025 at 4:30 a.m.
640  

From :  Bois-des-Filion

To : Junction of highways 25 and 640 in Terrebonne

 Roadway
Bare and Dry 		Visibility
Good
640 
 À Terrebonne, l'accès boulevard Marcel-Therrien et Montée des Pionniers 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 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), la sortie 50 (montée des Pionniers) Hindrance
Major 		Direction
East 		From October 7, 2025 at 9 p.m.
to December 31, 2025 at 11:59 p.m.
640  

From :  Junction of highways 25 and 640 in Terrebonne

To : Charlemagne

 Roadway
Bare and Dry 		Visibility
Good
640 
 À Terrebonne (arr. Lachenaie), au niveau de la 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.