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Road Conditions
Current Warnings
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. .
Thaw period
Montréal
10
Lane reconfiguration In Montreal, on the Bonaventure Expressway, between Wellington Street and the Victoria Bridge In both directions 1 of 3 lanes will be closed, and traffic will be diverted at all times.
10
Repair of beams on the Clément bridge In Montreal, on the Clement Bridge WESTBOUND One out of two lanes closed at all times
13
Reconstruction of the overpass In Montreal, near Highway 520 NORTHBOUND Highway closed
13
Reconstruction of the overpass In Montreal, access is from Courval Street. NORTHBOUND Access closed Detour via Montée de Liesse or 32nd Avenue
13
Reconstruction of the overpass In Montreal, exit 3-O (A-520 OUEST) NORTHBOUND Exit closed Detour Exit 3-E, Chemin de la Côte-de-Liesse and Montée de Liesse
13
Reconstruction of the overpass In Montreal, near Highway 520 In both directions Traffic will be diverted and narrowed at all times. Lane width reduced to 3.25 meters each
20
Sump repair In Dorval, at the Fénelon Boulevard access point WESTBOUND Closure of 2 out of 3 lanes
25
Refurbishment of structures Between Longueuil and Montreal, the Louis-Hippolyte-La Fontaine Tunnel In both directions NORTHBOUND tunnel closed, contraflow traffic in the SOUTHBOUND tunnel, at all times Clearance height: 4.3 meters
25
Major renovations, Louis-Hippolyte-La Fontaine tunnel In Montreal, on the service road, near Sherbrooke Street SOUTHBOUND Closure of 1 out of 2 lanes
40
Île-aux-Tourtes Bridge Reconstruction Project In Senneville In both directions The Senneville Road turntable must be closed at all times. Senneville Road Detour
40
Construction of the new Île-aux-Tourtes bridge In Senneville, the Senneville road at the A-40 In both directions Alternating traffic
40
Between Midnight and 10 a.m. 3 lanes, EASTBOUND (Montreal) and 2 lanes, WESTBOUND (Vaudreuil-Dorion) Between Noon and 10 p.m. 3 lanes, WESTBOUND and 2 lanes, EASTBOUND Note: 2 lanes per direction during phase change WESTBOUND configuration will be maintained during weekends and holidays At all times: - Heavy vehicles are prohibited from using the right-hand lane - Overloaded vehicles prohibited
520
Reconstruction of structures above 43rd Avenue In Dorval, between Highway 13 and 55th Avenue WESTBOUND Highway closed Detour Exit 2, WEST service
520
Reconstruction of structures above 43rd Avenue In Dorval, on the service road, between 32nd Avenue and Jean-Paul Laframboise Street WESTBOUND Closure of 1 out of 2 lanes
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
112
Dynamic lane management Between Montreal and Saint-Lambert, on Pont Victoria Monday to Friday during peak hours, both lanes are in one direction only: - From 5 a.m. to 9 a.m., towards Montreal (WESTBOUND) - From 3 p.m. to 7:15 p.m., towards the South Shore (EASTBOUND) - Outside of these hours, 1 lane per direction WARNING: Heavy trucks are prohibited from this bridge at all times ----- Tuesday, May 19: Bridge closed towards Montreal from 9 a.m. to 3 p.m. Wednesday, May 20: From 5 a.m. to 9 a.m., during the morning rush hour, traffic will be reduced to one lane heading towards Montreal.
136
Saint-Jacques Street Redevelopment In Montreal, exit 5, access to Mansfield Street WESTBOUND Exit closed at all times Detour: Robert-Bourassa Boulevard, Wellington, Peel and Saint-Antoine streets
136
Repair of the overpass on Saint-Urbain Street In Montreal, in the Viger Tunnel, between Panet Street and Exit 5 (Robert-Bourassa Boulevard) WESTBOUND Closure of 2 out of 4 lanes, at all times
136
Repair of the overpass on Saint-Urbain Street In Montreal, in the Ville-Marie tunnel, between Robert-Bourassa and Saint-Laurent Boulevards EASTBOUND Closure of 2 out of 4 lanes, at all times
138
Road resurfacing In Montreal, access is from Saint-Pierre Avenue. EASTBOUND Access closed Light vehicle detour: Richmond Street, Saint-Joseph Boulevard and Notre Dame Street Heavy vehicles: Saint-Jacques Street, Montreal-Toronto Boulevard, 1st Avenue Bus: Saint-Jacques Street and Saint-Joseph Boulevard
138
Major renovations, Louis-Hippolyte-La Fontaine tunnel In Montreal, access is from Sherbrooke Street. Heading WEST Access closed Detour via Trianon, Pierre-Corneille and Boucherville Streets
Structural repair In Montreal, Lacordaire Boulevard, above Highway 40 In both directions One of three lanes closed at all times May 20: Closure of 2 out of 3 lanes, between 10 p.m. and 5 a.m. the following day
Refurbishment of the overpass on Saint-Urbain Street In Montreal, on Saint-Urbain Street, above Route 136 (Ville-Marie Highway) In both directions Road closed at all times Detour via Boulevard Saint-Laurent or Place Jean-Paul-Riopelle
Repair of the structure In Montreal, on Lacoraire Boulevard, above Highway 40 In both directions One of three lanes will be closed at all times.
Renovation of the Louis-H.-La Fontaine tunnel In Montreal, on Souligny Avenue, between A-25 and Honoré-Beaugrand Street Eastbound Closure of 1 out of 3 lanes at all times
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