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Road Conditions
Current Warnings
From July 17 to August 3, on the A-20, in the Montérégie region, Operation Zone Zero of the Sûreté du Québec between the border with Ontario, at Rivière-Beaudette, and km 29 at Les Cèdres.
Police surveillance is increased to target reckless behavior, speeding, distraction and impaired driving.
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 EASTBOUND In exit 1-E (Cardinal Avenue) the junction towards Avenue Michel-Jasmin Eastbound Complete closure at all times Detour: via Michel-Jasmin Avenue W/B, McMillan Boulevard and Marshall Avenue Works: repair of access ramp
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
520
Work: repairing a slab In Montreal Access A-520 for A-40 EAST and Côte-de-Liesse Road EAST EASTBOUND Complete closure From Tuesday 10 p.m. to Wednesday 5 a.m. Detour: U-turn at rue Authier, chemin de la Côte-de-Liesse ouest, boulevard Alexis-Nihon, rue Saint-Louis, Marcel-Laurin Boulevard South, Côte-de-Liesse Road West and turn around at Devonshire Road Trucks: via Cavendish, Côte-Vertu East, Marcel-Laurin South boulevards Upstream, at the end of A-520: closure of 2 out of 4 lanes
Current Warnings
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