MONTREAL TRAFFIC: ROAD-WORK NOTICES Greater Montreal and Laval, as published Wed 04 Nov 2026 19:04 44 notices now, 4 coming up; major restrictions first. IN EFFECT NOW Route 25 MAJOR weekdays and weekends 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 From Mon 05 May 2025 05:00 to Thu 31 Dec 2026 23:59 Route 112 MAJOR weekdays and weekends Dynamic lane management 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) - Outside of these hours, 1 lane per direction WARNING: Heavy trucks are prohibited from this bridge at all times From Mon 05 Jan 2026 05:00 to Thu 31 Dec 2026 05:00 Route 520 MAJOR weekdays and weekends Reconstruction of the Cavendish Boulevard overpass In Montreal, the service roads, at the level of Cavendish Boulevard In both directions Roads closed at all times Detour EASTBOUND: Barr Street, A-520 EAST, Exit 7, Delmeade Road WESTBOUND: Isabey Street, A-40 EAST service road, A-520 WEST, exit 5 From Sun 01 Mar 2026 05:00 to Mon 30 Nov 2026 23:59 Route 10 MAJOR weekdays and weekends Structural repair In Montreal, in the access road from the Samuel-De Champlain Bridge and on the Clément Bridge WESTBOUND Closure of 1 out of 2 lanes, at all times Track width: 4.5 m From Wed 18 Mar 2026 07:00 to Fri 18 Dec 2026 05:00 Route 19 MAJOR weekdays and weekends Bridge repairs Between Montreal and Laval, on the Papineau-Leblanc bridge Closure of 1 out of 3 lanes at all times From Mon 23 Mar 2026 04:00 to Sun 06 Dec 2026 23:59 Route 136 MAJOR weekdays and weekends 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 From Thu 26 Mar 2026 05:00 to Thu 31 Dec 2026 05:00 Route 132 MAJOR weekdays and weekends Lighting element In Boucherville, between De Montarville Boulevard and Cicot North Street WESTBOUND Closure of 2 out of 3 lanes, at all times From Sun 10 May 2026 22:00 to Mon 09 Nov 2026 05:00 Route 209 MAJOR weekdays and weekends Bridge reconstruction In Saint-Constant, on Rang Saint-Pierre Sud, between Montée Fyfe and Rang Saint-Pierre Nord In both directions Road closed at all times Detour via Fyfe Hill, Saint-Pierre North Road From Sun 30 Aug 2026 23:59 to Fri 11 Dec 2026 23:59 Route 40 MAJOR weekdays and weekends Maintenance and reconstruction of a new bridge Between Vaudreuil-Dorion and Senneville, on De l'Île-aux-Tourtes bridge In both directions Between 0:01 and 10:00 - 3 lanes, heading towards Montreal (EAST) and 2 lanes heading towards Vaudreuil-Dorion (WEST) Between noon and 10 p.m. - 3 lanes towards Vaudreuil-Dorion (WEST) and 2 lanes towards Montreal (EAST) Maintaining optimal configuration in the WEST during weekends and holidays At all times: - Heavy vehicles are prohibited from using the right-hand lane Overloaded vehicles are prohibited. From Tue 15 Sep 2026 00:01 to Thu 31 Dec 2026 05:00 Route 117 MAJOR weekdays and weekends Public services, aqueduct In Rosemère, SOUTH of Highway 640 In both directions Closure of 1 out of 2 lanes at all times From Sun 04 Oct 2026 22:30 to Sat 21 Nov 2026 05:00 Route 342 MAJOR weekdays and weekends Reconstruction of the railway bridge In Vaudreuil-Dorion, between Synergie and Lauzon Streets In both directions Road closed, at all times Detour: Marier Avenue, Henri-Ford Street, Cité-des-Jeunes Boulevard (R-340) From Sun 01 Nov 2026 23:59 to Mon 31 May 2027 23:59 Route 40 MAJOR weekdays Construction of the new Île-aux-Tourtes bridge Between Senneville and Vaudreuil-Dorion, on the Île-aux-Tourtes bridge WESTBOUND Closure of 1 out of 2 lanes From Wed 04 Nov 2026 21:30 to Thu 05 Nov 2026 05:30 Route 25 MAJOR weekdays Road maintenance In Laval, at the A-440 interchange, towards A-25 SOUTH Highway closed Detour Exit 34, Rang du Bas-Saint-François, Montée Masson From Wed 04 Nov 2026 22:00 to Thu 05 Nov 2026 05:30 Route 25 MAJOR weekdays Road maintenance In Laval, at the end of the Olivier-Charbonneau bridge, at the level of Lévesque Boulevard East NORTHBOUND Closure of 2 out of 3 lanes Detour Exit 20, Boulevard des Mille-Îles, A-25 South From Wed 04 Nov 2026 22:00 to Thu 05 Nov 2026 05:30 Route 136 MAJOR weekdays and weekends Redevelopment of Saint-Jacques Street by the City of Montreal In Montreal, exit 5, access to Mansfield Street WESTBOUND Exit closed at all times Detour: Robert-Bourassa Boulevard, Wellington, Peel and Saint- Antoine streets Optional: A-10 EAST, exit 2 Pierre-Dupuy Avenue, Chemin des Moulins and A-10 WEST From Wed 04 Nov 2026 23:59 to Fri 20 Nov 2026 23:59 Local street Minor weekdays and weekends 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 From Fri 04 Jul 2025 22:00 to Thu 31 Dec 2026 05:00 Route 520 Minor weekdays and weekends Reconstruction of the Cavendish Boulevard overpass In Montreal, exit 6 (Cavendish Boulevard) EASTBOUND Exit closed at all times Detour Exit 7, Delmeade Road, Andover Avenue From Sat 28 Feb 2026 05:00 to Mon 30 Nov 2026 00:00 Route 520 Minor weekdays and weekends Reconstruction of the Cavendish Boulevard overpass In Montreal, at the Hickmore Street entrance EASTBOUND Closure of 1 of 2 lanes at all times. From Sat 28 Feb 2026 05:00 to Mon 30 Nov 2026 23:59 Route 520 Minor weekdays and weekends 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 From Sat 28 Feb 2026 05:00 to Mon 30 Nov 2026 23:59 Route 520 Minor weekdays and weekends Reconstruction of the Cavendish Boulevard overpass In Montreal, Cavendish Boulevard, at the A-520 interchange Road closed southbound and contraflow traffic on the opposite carriageway at all times From Sat 28 Feb 2026 06:00 to Fri 18 Dec 2026 23:59 Route 20 Minor weekdays and weekends Road reconfiguration Between the Chemin du Fer-à-Cheval in Sainte-Julie and the Arthur- Branchaud Bridge in Beloeil EASTBOUND Reserved lane closed, 2 lanes open at all times Traffic on diverted roads Lane width: 3.3 meters From Sun 22 Mar 2026 22:00 to Mon 30 Nov 2026 23:59 Route 13 Minor weekdays and weekends 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 From Mon 30 Mar 2026 05:00 to Mon 30 Nov 2026 05:00 Route 132 Minor weekdays Signaling elements In Chateauguay, on Saint-Jean-Baptiste Boulevard, at the intersection with Industrial Boulevard EASTBOUND Right-turn lane closed at all times Detour via R-138 East, R-132 East, A-730 South, A-30 West, exit 41 (Industrial Boulevard) From Mon 30 Mar 2026 05:00 to Fri 18 Dec 2026 23:59 Route 132 Minor weekdays and weekends In Chateauguay, Saint-Jean-Baptiste Boulevard, at the Boulevard Industriel WESTBOUND Left-turn lane closed at all times Detour R-138 West, A-30 East, exit 41 (Industrial Boulevard) From Thu 14 May 2026 00:00 to Fri 18 Dec 2026 23:59 Route 520 Minor weekdays and weekends Redesign of road access In Dorval, access from Roméo-Vachon Boulevard / airport WESTBOUND Access closed at all times Detour: A-20 EAST, Exit 58, 55th Avenue, A-20 WEST From Mon 03 Aug 2026 04:00 to Thu 12 Nov 2026 23:59 Route 25 Minor weekdays and weekends Major renovation, Louis-Hippolyte-La Fontaine Tunnel In Montreal, the Tellier Street access to Highway 25 SOUTH SOUTHBOUND Access closed Detour via Des Futailles, Notre-Dame, Dickson Streets, Souligny Avenue East From Fri 14 Aug 2026 22:30 to Thu 31 Dec 2026 06:00 Route 132 Minor weekdays and weekends Lighting element In Boucherville, between Cicot North Street and De Montarville Boulevard EASTBOUND Closure of 1 out of 3 lanes at all times From Sun 30 Aug 2026 22:00 to Fri 13 Nov 2026 05:00 Route 15 Minor weekdays and weekends Road reconfiguration Between De la Grande-Côte Road in Boisbriand and the Notre-Dame Road in Blainville and Mirabel In both directions Traffic diverted and narrowed at all times. NORTHBOUND: between km 18 and 25, the right lane narrowed to 3.3 meters and prohibited to heavy vehicles From Mon 31 Aug 2026 07:00 to Mon 16 Nov 2026 06:00 Local street Minor weekdays and weekends Structural repair In Montreal, Lacordaire Boulevard, above Highway 40 In both directions One of three lanes will be closed at all times. November 4: Closure of 2 out of 3 lanes between 10 pm and 5 am the following day From Fri 04 Sep 2026 23:59 to Fri 20 Nov 2026 23:59 Route 340 Minor weekdays and weekends Roadway Redesign In Vaudreuil-Dorion, between Jean-Béliveau Street and Highway 30 WESTBOUND Closure of 1 out of 3 lanes at all times From Sun 04 Oct 2026 23:59 to Sat 14 Nov 2026 23:59 Route 116 Minor weekdays and weekends Culvert repairs In Saint-Bruno-de-Montarville, at the level of Seigneurial Boulevard EASTBOUND Closure of 1 out of 3 lanes at all times From Tue 06 Oct 2026 05:00 to Fri 06 Nov 2026 21:00 Route 344 Minor weekdays Construction of a pedestrian crossing In Sainte-Marthe-sur-le-Lac, between 5th Avenue and Saint-Louis Street Alternating traffic, Monday to Friday between 9 a.m. and 3 p.m. From Tue 13 Oct 2026 09:00 to Fri 06 Nov 2026 15:00 Route 640 Minor weekdays and weekends Redesign of sidewalks and cycle path In Sainte-Thérèse, in the access to Roland-Durand and René-A.-Robert boulevards, from the service road WESTBOUND Right-turn lane closed Detour heavy vehicle: Curé-Labelle Boulevard (R-117), Blainville Street or EAST Service Road From Mon 26 Oct 2026 21:00 to Mon 09 Nov 2026 17:00 Route 132 Minor weekdays and weekends Structural repair In Boucherville, at the level of the overpass on Marie-Victorin Boulevard In both directions Closure of 1 out of 3 lanes, at all times From Wed 28 Oct 2026 05:00 to Sat 19 Dec 2026 05:00 Route 20 Minor weekdays and weekends Redesign of the intersection In Vaudreuil-Dorion, at the intersection with Bellemare Street EASTBOUND Closure of 1 out of 3 lanes From Thu 29 Oct 2026 06:00 to Fri 20 Nov 2026 23:59 Route 340 Minor weekdays and weekends Roadway Redesign In Vaudreuil-Dorion, near Highway 30 WESTBOUND Closure of 1 out of 2 lanes at all times From Sat 31 Oct 2026 23:59 to Sat 14 Nov 2026 23:59 Route 344 Minor weekdays Repairing a slope In Oka, SOUTH of Rang Sainte-Sophie, at the level of Rousse Stream Alternating traffic, Monday to Friday between 7 a.m. and 5 p.m. Alternating traffic, between Tuesday 9 p.m. and Wednesday 5 a.m From Mon 02 Nov 2026 07:00 to Fri 06 Nov 2026 17:00 Local street Minor weekdays Redesign of the intersection In Boisbriand, on Côte Nord Road, at the intersection with Doris- Lussier Street Alternating traffic, Monday to Friday between 7 a.m. and 5 p.m. From Mon 02 Nov 2026 07:00 to Fri 06 Nov 2026 17:00 Route 15 Minor weekdays Structural repair In Saint-Jérôme, at km 40, on the bridge over the Rivière du Nord NORTHBOUND Closure of 1 out of 3 lanes, Monday to Friday between 9 a.m. and 3 p.m. From Mon 02 Nov 2026 09:00 to Mon 09 Nov 2026 15:00 Route 117 Minor weekdays Inspection Between Montreal and Laval, on the Lachapelle Bridge In both directions Closure of 1 lane out of 3, Wednesday and Thursday Heading NORTH, between 7 a.m. and 3 p.m. Heading SOUTH, between 9:30 am and 7 pm From Wed 04 Nov 2026 07:00 to Thu 05 Nov 2026 19:00 Route 15 Minor weekdays Public services In Montreal, access from Sauvé Street NORTHBOUND Access closed Wednesday and Thursday between 10 a.m. and 2 p.m. Detour via Acadie and Henri-Bourassa Boulevards From Wed 04 Nov 2026 10:00 to Thu 05 Nov 2026 14:00 Route 15 Minor weekdays Road reconfiguration Between Notre-Dame Road in Blainville and Charles Street in Mirabel NORTHBOUND Closure of 1 out of 4 lanes (reserved lane) From Wed 04 Nov 2026 19:00 to Thu 05 Nov 2026 07:00 Route 40 Minor weekdays Construction of the new Île-aux-Tourtes bridge In Sainte-Anne-de-Bellevue, access from Boulevard des Anciens- Combattants WESTBOUND Access closed Detour via Chemin Senneville, A-40 EAST, exit 44, Morgan Boulevard From Wed 04 Nov 2026 22:00 to Thu 05 Nov 2026 05:30 Route 116 Minor weekdays Road resurfacing In Longueuil, at the intersection of De Chambly Road and Cousineau Boulevard WESTBOUND Closure of 1 out of 3 lanes, from Thursday 5 a.m. to Friday 11 p.m. In exit 4, the track reduced to 4 meters From Thu 05 Nov 2026 05:00 to Fri 06 Nov 2026 23:00 COMING UP Route 136 MAJOR weekdays and weekends Public Services Ville de Montréal In Montreal, on the Ville-Marie highway, access from Notre-Dame and De la Cathédrale streets. EASTBOUND Access closed Detours Light vehicles: Peel and Saint-Antoine East streets Heavy vehicles: Saint-Antoine Street West, de la Montagne Street, Notre-Dame Street and Robert-Bourassa Boulevard From Thu 05 Nov 2026 22:30 to Wed 11 Nov 2026 05:00 Route 136 MAJOR weekdays and weekends Ville de Montréal Public Services In Montreal, on the Ville-Marie highway, access from Robert-Bourassa Boulevard. EASTBOUND Access closed Detours Light vehicles: Saint-Antoine East Street Heavy vehicles: René-Lévesque Boulevard, Bleury Street, Saint- Antoine East Street From Thu 05 Nov 2026 22:30 to Wed 11 Nov 2026 05:00 Route 344 Minor weekdays Road maintenance In Oka, between Saint-Jean Road and De l'Annonciation Street Alternating traffic From Fri 06 Nov 2026 08:30 to Fri 06 Nov 2026 16:30 Route 25 Minor weekdays Major renovation, Louis-Hippolyte-La Fontaine Tunnel In Montreal, on Boucherville Street, at Notre-Dame Street SOUTHBOUND One of the two lanes will be closed at all times. From Mon 09 Nov 2026 00:01 to Fri 13 Nov 2026 23:59 Source: Transports Québec (Québec 511), Travaux routiers, CC-BY 4.0. Official notices, as published.