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Québec 511 > Road Conditions > By Region and by Road > Autoroute 520

Autoroute 520

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
Current Warnings
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street. 		March 6, 2025
at 2:21 p.m.
Thaw
Thaw period From March 24, 2025
to May 2, 2025
Thaw period From March 24, 2025
to May 16, 2025
Thaw period From April 14, 2025
to May 23, 2025
Montréal
520  

From :  Dorval

To : Junction of highways 40 and 520

 Roadway
Bare and Wet 		Visibility
Good
520 
 À Dorval, autoroute de la Côte-de-Liesse, entre la sortie 3 (43e Avenue) et l'accès A-13 (Chomedey) Hindrance
Major 		Direction
East 		From March 24, 2025 at 12:01 a.m.
to November 30, 2025 at 11:59 p.m.
520 
 À Montréal et à Dorval, autoroute de la Côte-de-Liesse, entre la sortie 2 (43e Avenue, 55e Avenue) et l'accès de la 43e Avenue Hindrance
Major 		Direction
West 		From March 24, 2025 at 12:01 a.m.
to November 30, 2025 at 11:59 a.m.