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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. .
Montréal
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 In both directions Traffic will be diverted and narrowed at all times. Lane width reduced to 3.25 meters each
15
Securing structures In Mount Royal and Montreal, Décarie Highway, between the Interchange and Jean-Talon Street SOUTHBOUND Highway closed Detour Décarie Boulevard
15
Road resurfacing In Montreal, access from Sauvé Street NORTHBOUND Access closed Detour via Birnam Street, De l'Acadie Boulevard
15
Road resurfacing In Montreal, on Des Laurentides Highway, take exit 2 (Sauvé Street, Henri-Bourassa Boulevard) NORTHBOUND Exit closed Detour Exit 4, De Salaberry Street, Acadie Boulevard
15
Road resurfacing In Montreal, at the Laurentides interchange, access to Highway 40 East SOUTHBOUND Access closed Friday, between 10:30 p.m. and 6:00 a.m. the following day Saturday, between 11 p.m. and 7 a.m. the following day Sunday, between 10 p.m. and 5 a.m. the following day Detour Exit 1-W, A-40 WEST service road, Canora Road and A-40 EAST service road
19
Public services and maintenance In Montreal, between Gouin and Henri-Bourassa boulevards SOUTHBOUND Closure of 2 out of 4 lanes at all times
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 renovation, Louis-Hippolyte-La Fontaine tunnel In Montreal, between Notre-Dame and Sherbrooke streets NORTHBOUND Closure of 2 out of 3 lanes
25
Structural repair In Montreal, access from A-25 NORTH to A-40 EAST (exit 8-E) NORTHBOUND Closure of 1 out of 2 lanes
25
Structural repair In Montreal, at the Anjou interchange, the A-25 SOUTH access to the A-40 EAST (exit 8-E) SOUTHBOUND Access closed Detour Exit 6, Yves-Prévost Boulevard and A-20 NORTH
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, exit 41 (Boulevard des Anciens-Combattants) EASTBOUND Exit closed, continuously from Friday 11 p.m. to Saturday 12 p.m. Detour: Morgan Boulevard, Sainte-Marie Road, A-40 WEST service road
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
40
Construction of the new Île-aux-Tourtes bridge In Sainte-Anne-de-Bellevue and Senneville, between exit 41 and Senneville Road WESTBOUND Highway closed Detour service road
40
Securing structures In Mont-Royal, at the Décarie interchange, towards A-15 SOUTH (exit 66) EASTBOUND Access closed Detour Exit 68, Stinson Street, A-40 WEST, A-520 WEST, A-40 EAST service road
40
Securing structures In Mont-Royal, at the Décarie interchange, access from Highway 40 WEST to Highway 15 SOUTH (exit 66) WESTBOUND Access closed Detour: Exit 65, A-520 WEST, A-40 EAST service road
40
Interview In Montreal, at the Laurentian interchange WESTBOUND Highway closed Detour via service road
40
Structural repair In Montreal, on the Metropolitan Highway, at the Lacordaire Boulevard intersection EASTBOUND Closure of 1 out of 3 lanes
40
Structural repair In Montreal, on the Metropolitan Highway, at the level of the Lacordaire Boulevard WESTBOUND Highway closed Detour Exit 76, service road
40
Structural repair In Montreal, on the Metropolitan Highway, in the service road, at the level of the Lacordaire Boulevard WESTBOUND Closure of 1 out of 2 lanes
40
Structural repair In Montreal, between Langelier Boulevard and Highway 25 EASTBOUND Highway closed Detour Exit 78 and service road
40
Structural repair In Montreal, on the Metropolitan Highway, in the service road, at the Lacordaire Boulevard intersection EASTBOUND Road Closed Detour Boulevard Lacordaire
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
Between Montreal and Saint-Lambert, on the Victoria Bridge Monday to Friday during peak hours, both lanes are in one direction only: - From 5 a.m. to 9 a.m., towards Montreal (WEST) - From 3 p.m. to 7:15 p.m., towards the South Shore (EAST) WARNING: Heavy trucks are prohibited at all times. ----- - Outside of these hours, 1 lane per direction
117
Securing structures In Mont-Royal, in the Décarie interchange, access from Marcel-Laurin Boulevard to Highway 15 SOUTH SOUTHBOUND Access closed Detour A-40 EAST, Exit 68, Stinson Street, A-40 WEST, A-520 WEST
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
Inspection In Montreal, Ville-Marie Highway, between the tunnel exit and Atwater Avenue WESTBOUND Closure of 2 out of 4 lanes
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
Interview In Montreal, access from Acadie Boulevard to Highway 40 East SOUTHBOUND Access closed Detour via Boulevard de l'Acadie, rue Jean-Talon and Boulevard Saint-Laurent
Structural repair In Montreal, Lacordaire Boulevard, above Highway 40 In both directions One of three lanes will be closed at all times.
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
Major renovation, Louis-Hippolyte-La Fontaine tunnel In Montreal, Souligny Avenue, between Honoré-Beaugrand and Dickson streets WESTBOUND Road Closed Hochelaga Street Detour
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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