Road Conditions

Montérégie

• Closure A-20 Saint-Nazaire-d'Acton road stop, WESTBOUND and EASTBOUND, Saint-Nazaire-d'Acton, From June 1, 2026 at 7 a.m. to June 19, 2026 at 6 p.m.. Reason : Roadwork.
• 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. .
• 20 Redesign of the intersection In Vaudreuil, between R-342 and Ranger Avenue Heading East Complete closure Detour Detour 1: Harwood Road, St-Antoine Range, Chicoine Street, Ranger Avenue. Detour 2: Meunier Street, Harwood Road, St-Antoine Road, Chicoine Street.
• 20 Redesign of the intersection In Vaudreuil-Dorion, between Ranger Avenue and Hardwood Road EASTBOUND Traffic on diverted lanes at all times. Total lane width including shoulders:at 7.1 meters
• 20 Redesign of the intersection In Vaudreuil-Dorion, between Ranger Avenue and Hardwood Road WESTBOUND Traffic on diverted lanes at all times Total lane width including shoulders:at 7.1 meters
• 20 De-winterizing impact attenuators In Longueuil, exit 85 (Roland-Therrien Boulevard) Heading East Exit closed Detour Exit 87, Marie-Victorin Blvd., A-20 WEST, Exit 85
• 20 Refurbishment of signaling structures In Sainte-Julie, on the A-30 WEST ramp towards A-20 WEST Closed ramp A-30 West detour, exit 80, Montarville Boulevard, access ramp to A-30 East, A-20 West
• 20 Reserved lane development In Boucherville, the Fer-à-Cheval/Nobel Street access to Highway 20 East Eastbound Access closed Detour via Nobel, Blaise-Pascal, and Léonard-de-Vinci streets
• 20 Reserved lane development In Boucherville, between Chemin du Fer-à-Cheval and Rue Bernard Pilon In both directions Contraflow traffic on the westbound carriageway, one lane per direction. .
• 20 Road reconfiguration Between Chemin du Fer-à-Cheval in Sainte-Julie and Rue Bernard-Pilon in Saint-Mathieu-de-Beloeil EASTBOUND Reserved lane closed and 2 lanes open, at all times Lane width reduced to 3.3 meters
• 20 Reserved lane development In Boucherville, exit 105 (R-229, Saint-Basile-le-Grand, McMasterville) Eastbound Exit closed Detour via exit 109 (Saint-Jean-Baptiste Street) and A-20 west.
• 20 Reserved lane development In Sainte-Julie, access from R-229 / rue Bernard Pilon to A-20 EAST Eastbound Detour A-20 west and U-turn at exit 98-W (A 30 west)
• 20 Planing In Saint-Hyacinthe, between de l'Église Avenue and Route 116 EASTBOUND Closure of 1 out of 2 lanes
• 20 Closure A-20 Saint-Nazaire-d'Acton road stop, WESTBOUND and EASTBOUND, Saint-Nazaire-d'Acton, From June 1, 2026 at 7 a.m. to June 19, 2026 at 6 p.m.. Reason : Roadwork.
• 20 Culvert replacement In Saint-Nazaire-d'Acton, at the height of the bus stop Heading west Access to the rest stop site is closed at all times.

Mauricie—Centre-du-Québec

• 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. .
• 20 Pavement repair Between R-122 in Saint-Germain-de-Grantham and R-143 in Drummondville Road closed EASTBOUND, contraflow traffic on the opposite roadway - From Monday to Thursday between 8:30 p.m. and 6:30 a.m. the next day - Friday between 10 p.m. and 8 a.m. the next day - Saturday between 8 p.m. and 8:30 a.m. the next day - Sunday between 9:30 p.m. and 6:30 a.m. the next day Lane width reduced to 4.5 meters
• 20 Pavement repair In Drummondville, to A-55 SOUTH EASTBOUND Access closed - From Monday to Thursday between 8:30 p.m. and 6:30 a.m. the next day - Friday between 10 p.m. and 8 a.m. the next day - Saturday between 8 p.m. and 8:30 a.m. the next day - Sunday between 9:30 p.m. and 6:30 a.m. the next day Detour: Interchange 177 (Drummondville, centre-ville), A-20 WEST
• 20 Pavement repair In Drummondville, exit 175 (boulevard Lemire) EASTBOUND Exit closed - From Monday to Thursday between 8:30 p.m. and 6:30 a.m. the next day - Friday between 10 p.m. and 8 a.m. the next day - Saturday between 8 p.m. and 8:30 a.m. the next day - Sunday between 9:30 p.m. and 6:30 a.m. the next day Detour: exit 177 (Drummondville, centre-ville)
• 20 Maintenance Between R-255 in Saint-Cyrille-de-Wendover and A- 55 in Sainte-Eulalie In one direction at a time Closure of 1 lane out of 2, from Monday to Thursday between 8 a.m. and 4:30 p.m.
• 20 Refurbishment of structures At Notre-Dame-du-Bon-Conseil, at the Charles-Bourgeois bridge located over the Nicolet Sud-Ouest river. In both directions Until Sunday, November 15th, at any time. Traffic is diverted.
• 20 Pavement repair In Sainte-Eulalie, between km 205 and km 212 In both directions Roadway closed EASTBOUND, traffic in contraflow on the opposite roadway Closure of 1 lane out of 2 - From Monday to Thursday between 7 pm and 6:30 am the next day Lane width reduced to 4.5 metres
• 20 Pavement repair In Sainte-Eulalie, at km 206 One direction at a time Closure of 1 lane out of 2 Lane width reduced to 4.5 metres
• 20 Pavement repair In Sainte-Eulalie, in the service road, toward A-20 EAST EASTBOUND Access closed, from Monday to Thursday between 7 pm and 6:30 am the next day Detour: Rang des Cèdres, R-161, A-20 WEST, rang du Moulin-Rouge Lane width reduced to 4.5 metres
• 20 Pavement repair In Sainte-Eulalie, at km 211 One direction at a time Closure of 1 lane out of 2 Lane width reduced to 4.5 metres
• 20 Pavement repair In Sainte-Eulalie, at km 216 WESTBOUND Closure of 1 lane out of 2 Lane width reduced to 4.5 metres
• 20 Pavement repair Between km 217 in Sainte-Eulalie and km 218 in Daveluyville One direction at a time Closure of 1 lane out of 2 Lane width reduced to 4.5 metres
• 20 Structural inspection In Daveluyville, at the R-261 WESTBOUND Closure of 1 lane out of 2
• 20 Asphalt Between R-218 in Manseau and R-265 in Villeroy WESTBOUND Closure of 1 lane out of 2 Monday to Thursday between 8 am and 4 pm
• 20 Structural repair In Villeroy, near exit 256 (15th and 16th Ranges of Villeroy), between kilometers 254 and 259. Heading west Lane closures at all times. Traffic is flowing in the opposite direction on the opposite carriageway.

Chaudière-Appalaches

• From Wednesday, June 10, to Sunday, June 14, traffic disruptions are expected on certain roads in Chaudière-Appalaches and the Capitale-Nationale region as Tour de Beauce cyclists pass through.
• 20 Maintenance Between route du Tunnel in Notre-Dame-du-Sacré-Coeur-d'Issoudun and route du Bois-de-l'Ail in Saint-Apollinaire EASTBOUND Closure of 1 lane out of 2, Monday and Tuesday between 8 a.m. and 3:30 p.m.
• 20 Road reconstruction Between the Cap road in Saint-Apollinaire and the km 307 in Lévis WEST Traffic will be diverted and narrowed between kilometers 297 and 300 at all times. Lane width reduced to 3.35 m (right lane) and 3 m (left lane) Left lane prohibited to heavy vehicles From June 7 to 21: Road closed WESTBOUND, contraflow traffic on the opposite roadway Sunday between 8 p.m. and 6 a.m. From Monday to Wednesday between 6 p.m. and 6 a.m. Thursday between 7 p.m. and 6 a.m. Friday between 8 p.m. and 8 a.m. Lane width reduced to 4.5 meters
• 20 Road reconstruction In Lévis (Saint-Nicolas), exit 305 (R-171) WESTBOUND Exit closed - Sunday between 8 p.m. and 6 a.m. the next day - From Monday to Wednesday between 6 p.m. and 6 a.m. the next day - Thursday between 7 p.m. and 6 a.m. the next day - Friday between 8 p.m. and 8 p.m. the next day Detour: interchange 296 (route du Cap)
• 20 Road reconstruction In Lévis (Saint-Nicolas), access from R-171 WESTBOUND Access closed - Sunday between 8 p.m. and 6 a.m. the next day - From Monday to Wednesday between 6 p.m. and 6 a.m. the next day - Thursday between 7 p.m. and 6 a.m. the next day - Friday between 8 p.m. and 8 p.m. the next day Detour: interchange 311 (R-116)
• 20 Drilling In Lévis, between R-116 and R-171 WESTBOUND Closure of 1 lane out of 2
• 20 Road redevelopment In Lévis, on the service road, between R-175 and access to pont Pierre-Laporte WESTBOUND Traffic on narrowed to 3 meters on the right lane at all times Heavy vehicles prohibited on the right lane
• 20 Road redevelopment In Lévis, between A-73 and R-275 EASTBOUND From June 7 to 10: Closure of 2 lanes out of 3 between A-73 and km 316 Closure of the service road at R-175 - From Sunday to Wednesday between 8:30 p.m. and 5:00 a.m. the next day Detour: exit 314 NORTH (Chemin du Sault), Rue de la Concorde, A-20 WEST, Interchange 311 (Route des Rivières) From June 8 to 11: Closure of 1 lane out of 3 between km 316 and R-275 - From Monday to Wednesday between 8:30 p.m. and 5 a.m. the next day
• 20 Structural inspection In Lévis, toward A-73 WESTBOUND Access closed Detour: A-20 WEST, Exit 311 (R-116)
• 20 Road redevelopment In Lévis, between R-175 and R-275 EASTBOUND Traffic on diverted lanes at all times
• 20 Road redevelopment In Lévis, EAST of Etchemin river, at km 319 WESTBOUND Traffic on diverted lanes at all times
• 20 Road redevelopment In Lévis, EAST R-275 EASTBOUND Closure of 1 out of 3 lanes at all times
• 20 Safety features Between Route Lallemand in Lévis and route de Saint-François in Berthier-sur-Mer EASTBOUND Closure of 1 lane out of 2, from Monday to Thursday between 8 a.m. and 4 p.m.
• 20 Safety features Between Route de Saint-François in Berthier-sur-Mer and Route Lallemand in Lévis WESTBOUND Closure of 1 lane out of 2, from Monday to Thursday between 8 a.m. and 4 p.m.
• 20 Maintenance Between Route 204 in Saint-Jean-Port-Joli and Route du Petit-Cap in Cap-Saint-Ignace WESTBOUND Closure of 1 lane out of 2 Monday and Tuesday between 7 a.m. and 5 p.m.

Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine

• Pohénégamook – Picard – Saint-Antonin wind farm project and the Wolastokuk territory in the Lower St. Lawrence.
  
  From May 25th until December 2026:
  
  Transports of enormous parts will circulate day and night, between the storage area in Saint-Antonin and the wind farm site on the Rivière-Verte road, the Station and Roches roads and the Champoux road.
  
  Transportation will also be available during the day between Matane and Saint-Antonin on the R-132, the A-20, the R-191, the R-291, the A-85, 6th Range, Route des Roches and Chemin Champoux.
  
  Be careful!
  
  
• Mesgi'g Ugju's'n 2 wind project in Gaspésie, north of L'Alverne and Escuminac
  
  Starting May 27, oversized transport vehicles will be operating in the Gaspé Peninsula until the fall of 2026.
  
  These transports of enormous parts will circulate day and night, on the Inter-Provincial Boulevard between the JC Van Horne bridge and the R-132 in Pointe-à-la-Croix, then on the R-132 towards the access to the Sainte-Florence wind farm site.
  
  Be careful!
  
• Rivière-du-Loup - Saint-Siméon: For updates on the status of the ferry service, please consult the ferry Website. Ferry service : Open.
• 20 Bridge repair Between km 448 in Rivière-Ouelle and km 451 in Saint-Pacôme Road closed WESTBOUND, contraflow traffic on the opposite roadway (1 lane per direction) at all times WESTBOUND: lane width reduced to 3.65 meters EASTBOUND: lane width reduced to 5 meters