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 Road redevelopment In Dorval, access from McMillan Boulevard to Highway 520 West WESTBOUND Access closed Detour via Marshall and Michel-Jasmin Avenues, 55th Avenue or Cardinal Avenue
• 520 Reconstruction of structures above 43rd Avenue In Dorval, between Highway 13 and 55th Avenue WESTBOUND Highway closed at all times Detour Exit 2 and service road (1 lane out of 2) 43rd Avenue closed in both directions until July 3, 2026. Detour via 46th Avenue
• 520 Reconstruction of structures above 43rd Avenue In Montreal, between 46th Avenue and 43rd Avenue EASTBOUND Highway closed at all times Detour Exit 3 and service road
• 520 Reconstruction of structures above 43rd Avenue In Montreal, on the service road, between 54th Avenue and 52nd Avenue EASTBOUND One out of two lanes will be closed at all times.
• 520 Reconstruction of the Cavendish Boulevard overpass In Montreal, access via Hickmore Street Heading East Access closed at all times Detour Temporary access to Barr Street
• 520 Reconstruction of the Cavendish Boulevard overpass In Montreal, exit 6 (Cavendish Boulevard) Eastbound Exit closed at all times Detour Exit 7 (Darnley Road), service road, Delmeade Road, Andover Avenue and Darnley Road
• 520 Reconstruction of the overpass above Cavendish Boulevard In Montreal, access from A-40 WEST to A-520 WEST WESTBOUND Access closed Detour: A-40 East service road, Authier Street, A-40 West service road, Côte-Vertu Boulevard Starting at 9 p.m., one of two lanes on the A-40 Westbound service road towards A-520 will be closed.
• 520 Reconstruction of the Cavendish Boulevard overpass In Montreal, at the Hickmore Street entrance EASTBOUND Closure of 1 of 2 lanes at all times.
• 520 Reconstruction of the Cavendish Boulevard overpass In Montreal, on the service roads, near Cavendish Boulevard In both directions Access roads closed at all times Detours EASTBOUND: Barr Street access, A-520 East, exit 7, Delmeade Road WESTBOUND: Isabey Street, A-40 EAST service road, A-520 WEST, exit 5 Local traffic permitted and contraflow traffic Isabey Street closed SOUTHBOUND