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

  From: Dorval

  To: Junction of highways 40 and 520

• 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 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
• 520 Reconstruction of the overpass In Montreal, at the A-13 interchange WESTBOUND Closure of 1 out of 2 lanes at all times
• 520 Reconstruction of the overpass In Montreal, between McArthur Street and 32nd Avenue WESTBOUND Highway closed Thursday between 9:30 p.m. and 5 a.m. the following day Continuously, from Friday at 9:30 p.m. to Monday at 5 a.m. Detour Exit 4 and service road