Road Conditions

Montérégie

• 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-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 Reserved lane development In Boucherville, the Fer-à-Cheval/Nobel Street access to Highway 20 East Eastbound Access closed From Friday 10 p.m. to Saturday 7 a.m. From Sunday 10 p.m. to Monday 5:30 a.m. 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. From Friday 10 p.m. to Saturday 7 a.m. From Sunday 10 p.m. to Monday 5:30 a.m. .
• 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 From Friday 10 p.m. to Saturday 7 a.m. From Sunday 10 p.m. to Monday 5:30 a.m. Detour via exit 109 (Saint-Jean-Baptiste Street) and A-20 west.
• 20 Planage and marking In Saint-Hyacinthe, between Avenue de l'Église and exit 141 (Laurier Boulevard East) EASTBOUND Closure of 1 out of 2 lanes - From Sunday to Thursday, between 7 p.m. and 6 a.m. the next day
• 20 Asphalt In Saint-Nazaire-d'Acton, exit 157 (Rang Brodeur) WESTBOUND Exit closed at all times Detour A-20 West, exit 152 (1st Avenue), 3rd Range, A-20 East, exit 157 (Brodeur Range)
• 20 Asphalt In Saint-Nazaire-d'Acton, access from Rang Brodeur towards A-20 WEST WESTBOUND Access closed at all times Detour A-20 East, exit 160 (Church Road), A-20 West

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 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 Survey In Saint-Louis-de-Blandford, between rivière Bécancour and R-165 WESTBOUND Closure of 1 lane out of 2
• 20 Road repairs In Villeroy, between exit 253 (Route 265, Plessisville, Deschaillons, Villeroy) and exit 256 (15th and 16th Ranges of Villeroy). Heading East Closure of one of two lanes, from Monday to Thursday, at all times.

Chaudière-Appalaches

• 20 Structural inspection In Saint-Janvier-de-Joly, at route du Village In both directions Closure of 1 lane out of 2
• 20 Road reconstruction Between route du Cap in Saint-Apollinaire and R-171 in Lévis WESTBOUND Traffic on diverted and narrowed lanes between kilometers 297 and 300 at all times. Lane width reduced to 3.35 meters (right lane) and 3 meters (left lane) Left lane prohibited to heavy vehicles
• 20 Road redevelopment In Lévis, between km 310 and km 320 EASTBOUND If necessary: Short-term closure of 1 lane out of 2 or 3 - From Sunday to Wednesday between 8:30 p.m. and 5:00 a.m. - Thursday between 9:30 p.m. and 5:00 a.m.
• 20 Road redevelopment In Lévis, on the service road, at R-175 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 A73 and R-275 EASTBOUND From May 25 to 28: Highway closed between A73 and R-175 Closure of 2 lanes out of 3 between R-175 and R-275 - From Monday to Wednesday between 9:30 p.m. and 5:00 a.m. the next day - Thursday between 10:30 p.m. and 5:00 a.m. the next day Detour: service road May 24: Highway closed between A-73 and R-175 Closure of 2 lanes out of 3 between R-175 and R-275 Closure of the service road at A-73 - Sunday between 9:30 p.m. and 5 a.m. the next day Detour: A-73 SOUTH, rue du Parc-des-Chutes, A-73 NORTH
• 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 of the Etchemin River, at km 319 EASTBOUND Closure of 1 out of 3 lanes at all times
• 20 Road redevelopment In Lévis, between km 320 and km 310 WESTBOUND If necessary: Short-term closure of 1 lane out of 2 or 3 - From Sunday to Wednesday between 8:30 p.m. and 5:00 a.m. - Thursday between 9:30 p.m. and 5:00 a.m.
• 20 Maintenance Between Montée de la Station in Saint-Vallier and Chemin des Poirier in Montmagny In one direction at a time Closure of 1 lane out of 2, Monday to Thursday between 7 a.m. and 5 p.m.
• 20 Safety elements In Montmagny, at chemin des Poirier In both directions Closure of 1 lane out of 2, from Monday to Thursday between 7 am and 5 pm
• 20 Culvert replacement Between km 434 in La Pocatière and km 433 in Saint-Roch-des-Aulnaies WESTBOUND Closure of 1 lane out of 2 at all times between Monday, May 25 and Thursday, May 28 at 11:59 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 1 lane closed out of 2 A-20 at height km 442, EASTBOUND, La Pocatière, undetermined period. Reason : Roadway departure.
• 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
• 20 Maintenance In Rimouski, between R-132 and R-232 In both directions Autoroute closed, Tuesday and Wednesday between 8:30 am and 5 pm Detour: R-132, R-232