Road Conditions

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. .
520 In Dorval Côte-de-Liesse Highway EASTBOUND Between the exit 3 (43e Avenue) and the A-13 (Chomedey) entrance Complete closure at all times Detour: traffic on diverted lanes on the service road Also: until November 2025, complete closures of 43e Avenue in both directions and Ryan Avenue W/B, between Riddle Avenue and 43e Avenue. Detour via 46e Avenue Works: structural repair above the 43rd Avenue
520 In Montreal and Dorval De la Côte-de-Liesse Highway WESTBOUND Between Exit 2 (43e Avenue, 55e Avenue) and the 43e Avenue entrance Complete closure at all times Detour: traffic on diverted roads, on the service road Also: until November 2025, complete closures of 43e Avenue in both directions and Ryan Avenue W/B, between Riddle Avenue and 43e Avenue. Detour via 46e Avenue Work: structural repair above 43e Avenue