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 In Coteau-du-Lac Between R-201 and Sauvé Street Westbound Counterflow traffic Sunday between 7:30 p.m. and 5:30 a.m. the next day Monday to Friday from 7:30 p.m. to 5:30 a.m. the next day
• 20 Replacing faulty sensors In Coteau-du-Lac Between the R-201 and Chemin Saint-Emmanuel Eastbound Closure of one lane out of two Tuesday and Wednesday from 8 a.m. to 3:30 p.m.
• 20 Works: electrotechnical inspections In Baie-d'Urfé Closure of access from Morgan Street From Wednesday 10 p.m. to Thursday 5 a.m. Detour: rue Morgan, A-20 WEST and U-turn exit 39 (boulevard des Anciens-Combattants), rue Saint-Pierre
• 20 Works: electrotechnical inspections In Baie-d'Urfé and Beaconsfield Exit 42 (Boulevard Morgan) closed From Wednesday 10 p.m. to Thursday 5 a.m. Detour: U-turn at exit 45 (Woodland Ave.)
• 20 Works: development of a reserved lane In Saint-Mathieu-de-Beloeil and Beloeil, between km 109 and 112 Contraflow traffic, 1 lane in each direction Sunday to Thursday, from 10 p.m. to 5:30 a.m. the next day From Friday 10 p.m. to Saturday 7 a.m. From Saturday 11 p.m. to Sunday 8 a.m. Track width: 4 meters Default, EASTBOUND: Exits 109 (Rue Saint-Jean-Baptiste) and 112 (Rue Richelieu, R-223) Detour: via exit 113 (R-133) Access from Rue Saint-Jean-Baptiste and Rue Serge-Pepin

Montréal

• 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 Works: structural inspection Between Sainte-Anne-de-Bellevue and L'Île-Perrot On the Galipeault Bridge WESTBOUND Closure of 1 out of 2 lanes From Wednesday 9 p.m. to Thursday 5 a.m.
• 20 Electricity In Montreal, at exit 60 Westbound Closure of the ramp to A-13 NORTH From Wednesday 11:30 p.m. to Thursday 5 a.m. Detour: 32nd Avenue
• 20 Works: survey In Montreal, at the Saint-Pierre interchange WESTBOUND Closure of 1 out of 2 lanes From Wednesday 9 p.m. to Thursday 5 a.m.

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. .
• Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.
  
  Check the roadworks in detail for information, including the planned times of the obstructions.
• 20 Drilling In Saint-Germain-de-Grantham, between exit 166 (Saint-Edmond-de-Grantham) and exit 170 (Route 122, Saint-Germain-de-Grantham, Yamaska, Sorel-Tracy). Eastbound Sunday to Thursday, between 9 p.m. and 6:30 a.m. the next day. From Monday, September 1st to Thursday, September 18th AND Monday, September 29th and Tuesday, October 14th. Closure of one lane out of two. Wednesday, September 17 Closure of exit 170 (Route 122, Saint-Germain-de-Grantham, Yamaska, Sorel-Tracy). Detour via Highway 20 East, exit 175 (Route 143 North, Boulevard Lemire, Saint-Bonaventure, Saint-François-du-Lac), Route 143 / Boulevard Lemire, Highway 20 West and exit 170 (Route 122, Saint-Germain-de-Grantham, Yamaska, Sorel-Tracy).
• 20 Asphalting In Drummondville and Saint-Germain-de-Grantham, between exit 170 and exit 181. In both directions Monday to Thursday, between 8:30 p.m. and 6:30 a.m. the next day. -Wednesday 17, Monday 22, Tuesday 23 September. Eastbound - Lane closures between exits 170 and 177. Contraflow traffic on the opposite carriageway. Exit 175 closed. Tuesday 23 and Wednesday 24 September, one lane out of two will be closed in both directions. Detour via Highway 20 East, exit 177 (Route 143 South, Saint-Majorique, Drummondville (downtown)), Boulevard Saint-Joseph, Highway
• 20 Asphalting In Drummondville, between exit 175 (Route 143 North, Boulevard Lemire, Saint-Bonaventure, Saint-François-du-Lac) and exit 181 (Boulevard Foucault). Eastbound Monday to Thursday, between 8:30 p.m. and 6:30 a.m. the next day. -Until Wednesday, September 17. Complete lane closures. Contraflow traffic on the opposite carriageway. Exits 179 and 181 are closed. - Tuesday 23 and Wednesday 24 September, closure of one lane out of two, in both directions. Detour - Exits 179 and 181: via Highway 20 East, exit 185 (Route 255, Baie-du-Febvre, Saint-Cyrille-de-Wendover, Saint-Félix-de-Kingsey), Route 255, Chemin Maria-Allard, Highway 20 West and exits 181 or 179. Lane width reduced to 4.5 meters at all times. 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.
• 20 Maintenance In Drummondville, between exit 179 East (Chemin du Golf) and exit 181 West (Boulevard Foucault). In both directions. Closure of one lane out of two, between 8 p.m. and 6 a.m. the following day.
• 20 Renovation of structures At Notre-Dame-du-Bon-Conseil, at the Charles-Bourgeois bridge located over the Nicolet South-West River. In both directions -Until November 15. Shoulder closure at all times. Eastbound Traffic on diverted lanes at all times.
• 20 Structural inspection At Notre-Dame-du-Bon-Conseil, under the overpass located on 9th Rang de Wendover. In both directions Between 7 p.m. and 2 a.m. the next day. In one direction at a time Closure of one lane out of two. Eastbound Temporary closure of exit 191 (Sainte-Brigitte-des-Saults). Detour (10km): via Highway 20 East, exit 196 (Route 259, Nicolet, Sainte-Perpétue, Notre-Dame-du-Bon-Conseil), 12e Rang de Wendover, Highway 20 West and exit 191 (Sainte-Brigitte-des-Saults).
• 20 Structural inspection At Notre-Dame-du-Bon-Conseil, under the overpass located on 12th Rang de Wendover. In both directions Between 7 p.m. and 6:30 a.m. the next day. In one direction at a time Closure of one lane out of two.
• 20 Restoration of slopes In Sainte-Eulalie, near exit 215 (Rang des Épinettes). In both directions Eastbound Wednesday, September 17 and Thursday, September 18, between 7 a.m. and 6 p.m. Closure of one lane out of two. Westbound From Monday, September 22 to Thursday, September 25, between 7 a.m. and 6 p.m. Closure of one lane out of two. Exit 215 (Rang des Épinettes) is closed. Detour via exit 210 (Highway 55 North, Highway 955, Bécancour, Trois-Rivières, Saint-Albert, Warwick / Route 161, Saint-Valère, Victoriaville, Sainte-Eulalie), rue des Bouleaux, rang des Érables, route des Pins and rang d
• 20 Modernisation de la halte routière À Daveluyville, halte routière entre km 223 et 224 En direction Est En tout temps, fermeture complète de la halte et de son aire de stationnement jusqu'en septembre 2025.
• 20 Structural inspection In Saint-Louis-de-Blandford, at the bridge located over the Bécancour River. Westbound. Closure of one lane out of two, between 8:30 a.m. and 4:30 p.m.
• 20 Structural repair In Villeroy, at the bridge over the CN railway. Heading East. Closure of one lane out of two, Monday to Thursday, between 7 a.m. and 5 p.m.
• 20 Closure A-20 Daveluyville stop, EASTBOUND, From July 4, 2024 at 6 p.m. to September 30, 2025 at 6 a.m.. Reason : Roadwork.

Chaudière-Appalaches

• Roadwork on pont Pierre-Laporte, NORTHBOUND, between Québec and Lévis, from September 14 to 18. Closure of 2 lanes out of 3, Sunday between 10 pm and 5 am the next day and from Monday to Thursday between 9 pm and 5 am the next day.
• 20 Road reconstruction Between route route du Cap in Saint-Apollinaire and R-171 in Lévis WESTBOUND At all times - Traffic on diverted and narrowed lanes between route Germain and R-171 Lanes width reduced to 3.35 meters and 3 meters Heavy vehicles prohibited in the right lane Sunday and Thursday between 7 pm and 6 am From Monday to Wednesday between 6 pm (7 pm WEST) and 7 am (6 am EAST) Friday between 8 pm and 8 am In both directions - Closure of 1 lane out of 2 Lane width reduced to 4.5 meters WESTBOUND - Roadway closed, contraflow traffic
• 20 Safety elements In Lévis (Saint-Nicolas), between R-116 and rivière Chaudière In one direction at a time Closure of 1 lane out of 2 or 3, Sunday to Wednesday between 10 pm and 5:30 am the next day
• 20 Bridge repair In Lévis, at chemin des Îles EASTBOUND At all times - Closure of 1 lane out of 3 - Traffic on diverted and narrowed lanes to 3.6 meters Left lane prohibited for heavy vehicles
• 20 Bridge repair In Lévis, between R-275 and R-173 Thursday between 8:30 pm and 5:30 am the next day EASTBOUND - Roadway closed, contraflow traffic on the opposite roadway In both directions - Closure of 1 lane out of 2 Thursday between 6 pm and 5:30 am the next day EASTBOUND - Closure of exit 321 (chemin des Îles) Detour: interchange 325 (R-173)

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

• As part of the Pohénégamook – Picard – Saint-Antonin wind project and the Wolastokuk territory, non-standard transport will be operating in the Bas-Saint-Laurent region until the end of November 2025.
  
  These transports of enormous pieces circulate day and night, between the port of Gros-Cacouna and Saint-Antonin on the A-20, the A-85, the R-191, the R-291, the Station and Roches roads and the Rivière-Verte road.
  
  These transports also operate during the day between Matane and Saint-Antonin on the R-132, the A-20, the R-191, the R-291, the A-85, 6e Rang, route des Roches and chemin Champoux
• 20 Road resurfacing In Saint-Alexandre-de-Kamouraska, on both sides of R-289 At all times WESTBOUND - Road closed, contraflow traffic on the opposite direction - Closure of exit 488 (Saint-Alexandre-de-Kamouraska) In both directions - Closure of 1 lane out of 2 Detour: Exit 496 (Notre-Dame-du-Portage) or Exit 480 (Saint-Joseph-de-Kamouraska), R-132 Lane width reduced to 5 meters
• 20 Pavement repair In Notre-Dame-du-Portage, between côte de la Mer and A-85 In both directions At all times: - Closure of 1 lane out of 2 Lane width reduced to 4 meters EASTBOUND From Sunday to Thursday between 6 pm and 7 am the next day: - Roadway closed between km 497 and A-85, contraflow traffic on the opposite roadway - Closed autoroute at A-85 Detour: A-85 SOUTH, exit 93, R-191 (boulevard Industriel), R-291 (rue Beaubien), R-191 (rue de l'Église)