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, 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 Saint-Laurent, on the service roads, at the Cavendish Boulevard In both directions Service roads closed at all times Detours Eastbound: Barr Street access for A-520 East, Exit 7, Delmeade Rd., Andover Ave., Dalton Rd. Westbound: Isabey Street, A-40 East service road, A-520 West, exit 5 (Hickmore Street)
520 Reconstruction of the Cavendish Boulevard overpass In Montreal, at the Hickmore Street access point Eastbound One of the two lanes will be closed at all times. Hickmore Street access closed. Detour via temporary access on Barr Street.