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Québec 511 > Road Conditions > By Region and by Road > Autoroute 20

Autoroute 20

Road Conditions
Roadway
Bare (dry or wet)
Partly snow covered, snow packed
or ice covered
Snow covered, snow packed
or ice covered
Visibility
Good
Fair
Poor
Roadwork
Minor hindrance
Major hindrance
Other informations
Warning
Trucks prohibited
Ferry
Border crossing
Current Warnings
Major work on the Laviolette bridge until November, for the year 2023.
To find out about the various obstacles associated with this work, consult the worksites and the warnings issued in detail.
July 18, 2023
at 9:41 a.m.
Louis-Hippolyte-La Fontaine tunnel roadwork:

Contraflow traffic, 2 lanes towards Montreal and 1 lane towards the south shore. For details, consult the roadwork sites and geolocated warning distributed on interactive map.
June 13, 2023
at 12:13 p.m.
Additional Information:
Tunnel Louis-Hippolyte-La Fontaine
Tunnel arrival time
Montérégie
Closure R-138 towards A-20 EASTBOUND, EASTBOUND, Montréal (Lachine), From September 29, 2023 at 11:59 p.m. to October 2, 2023 at 5 a.m., detour A-20 ouest, demi-tour 1re Avenue. Reason : Roadwork. September 29, 2023
at 4:15 p.m.
Closure A-15 Rest area close at Saint-Bernard-de-Lacolle, at km 4, near the border with the United States., NORTHBOUND, Saint-Bernard-de-Lacolle, undetermined period. Reason : Roadwork. July 27, 2023
at 6:45 a.m.
Slow-moving traffic A-20 Towards A-10 east, towards Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:23 p.m.
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:22 p.m.
Louis-Hippolyte-La Fontaine tunnel: Contraflow traffic, 2 lanes available northbound, 1 lane available southbound. Width of each north lane reduced to 3.2 meters. Cause: Roadwork. Heavy vehicles: - Westbound, towards Montreal, from De Mortagne, keep the right lane. - Southbound, towards Longueuil, from Sherbrooke Street, traffic prohibited in the right lane. January 11, 2023
at 1:26 p.m.
20 
À Saint-Zotique Autoroute Jean-Lesage Entre le km 8 et la sortie 12, rue Sauvé Hindrance
Major
Direction
West and east
From 2023-09-10
to 2023-10-18
20 
À Saint-Lambert R-132 sortie 79 (avenue Notre-Dame) Hindrance
Minor
Direction
West
From 2023-10-01
to 2023-10-02
20 
À Longueuil Autoroute René-Lévesque Entre le boulevard Roland-Therrien et l'échangeur A-20 / A-25 Hindrance
Major
Direction
East
From 2022-08-15
to 2024-06-01
20 
Entre Longueuil et Boucherville Entre la sortie 89-N (A-25 nord, A-40, tunnel Louis-Hippolyte-La Fontaine, Montréal) et l'entrée du boulevard Marie-Victorin Hindrance
Major
Direction
East
From 2023-09-29
to 2023-10-02
20 
À Boucherville L'entrée du boulevard de Mortagne sud pour A-20 ouest (vers Montréal) Hindrance
Minor
Direction
West
From 2022-09-12
to 2025-12-31
20 
À Sainte-Julie Autoroute Jean-Lesage Entre la sortie 102, boulevard Armand-Frappier et l'entrée suivante Hindrance
Major
Direction
West
From 2023-09-30
to 2023-10-01
20 
À Boucherville et Sainte-Julie Autoroute Jean-Lesage Entre l'A-30 (km 97) et le chemin du Fer-à-Cheval (km 101) Hindrance
Major
Direction
In both directions
From 2023-09-29
to 2023-10-06
20 
À Sainte-Marie-Madeleine, Mont-Saint-Hilaire Autoroute Jean-Lesage Entre le km 117, à l'Ouest de la pesée routière et la sortie 113, (R-133, Chemin des Patriotes) Hindrance
Major
Direction
West and east
From 2023-09-29
to 2023-10-06
20 
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:22 p.m.
20 
Slow-moving traffic A-20 Towards A-10 east, towards Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:23 p.m.
Montréal
Closure R-138 towards A-20 EASTBOUND, EASTBOUND, Montréal (Lachine), From September 29, 2023 at 11:59 p.m. to October 2, 2023 at 5 a.m., detour A-20 ouest, demi-tour 1re Avenue. Reason : Roadwork. September 29, 2023
at 4:15 p.m.
Slow-moving traffic A-20 Towards A-10 east, towards Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:23 p.m.
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, Brossard, undetermined period. Reason : Work planned later. May 9, 2023
at 2:22 p.m.
Louis-Hippolyte-La Fontaine tunnel: Contraflow traffic, 2 lanes available northbound, 1 lane available southbound. Width of each north lane reduced to 3.2 meters. Cause: Roadwork. Heavy vehicles: - Westbound, towards Montreal, from De Mortagne, keep the right lane. - Southbound, towards Longueuil, from Sherbrooke Street, traffic prohibited in the right lane. January 11, 2023
at 1:26 p.m.
20 
À Pointe-Claire La sortie 53 (boulevard des Sources) Hindrance
Major
Direction
West
From 2023-06-25
to 2023-10-02
20 
À Montréal (LaSalle) Boulevard Montréal-Toronto (voie de desserte) Entre le boulevard Saint-Joseph et l'avenue Saint-Pierre Hindrance
Minor
Direction
East
From 2022-09-28
to 2023-10-05
20 
À Montréal (Le Sud-Ouest) Dans l'échangeur Turcot La bretelle menant de l'A-20 Est à l'A-15 Nord (Décarie) Hindrance
Major
Direction
East
From 2023-09-29
to 2023-10-02
Mauricie—Centre-du-Québec
Closure A-15 Rest area close at Saint-Bernard-de-Lacolle, at km 4, near the border with the United States., NORTHBOUND, Saint-Bernard-de-Lacolle, undetermined period. Reason : Roadwork. July 27, 2023
at 6:45 a.m.
20 
À Notre-Dame-du-Bon-Conseil, au pont Charles-Bourgeois situé au-dessus de la Rivière Nicolet Sud-Ouest. Hindrance
Minor
Direction
West
From 2023-10-03
to 2023-10-05
20 
À Sainte-Eulalie et à Saint-Léonard-d'Aston, entre le 13e Rang de Wendover (Saint-Léonard-d'Aston) et la sortie 210 (Sainte-Eulalie). Hindrance
Minor
Direction
East
From 2023-09-24
to 2023-10-16
20 
À Daveluyville, sous le pont d'étagement situé sur la route 261. Hindrance
Major
Direction
In one direction at a time
From 2023-10-04
to 2023-10-04
20 
À Daveluyville, sous le pont d'étagement situé sur la route 261. Hindrance
Major
Direction
In one direction at a time
From 2023-10-04
to 2023-10-04
20 
À Saint-Louis-de-Blandford, sur le pont situé au-dessus de la rivière Blanche Hindrance
Major
Direction
West
From 2023-08-02
to 2023-12-29
20 
À Saint-Louis-de-Blandford, sous le pont d'étagement situé sur la route 165. Hindrance
Major
Direction
In one direction at a time
From 2023-10-05
to 2023-10-05
20 
À Saint-Louis-de-Blandford, au pont situé au-dessus du Ruisseau. Hindrance
Minor
Direction
East
From 2023-10-05
to 2023-10-05
Chaudière-Appalaches
20 
Entre la R-271 à Laurier-Station et la route du Tunnel Notre-Dame-du-Sacré-Cœur-d`Issoudun Hindrance
Major
Direction
West and east
From 2023-09-18
to 2023-10-20
20 
À Saint-Apollinaire, à l'OUEST de la route du Bois-de-l'Ail Hindrance
Major
Direction
West and east
From 2023-05-31
to 2023-10-27
20 
Entre la route du Tunnel à Notre-Dame-du-Sacré-Coeur-d'Issoudun et la route du Bois-de-l'Ail à Saint-Apollinaire Hindrance
Major
Direction
West and east
From 2023-05-22
to 2023-10-27
20 
Entre la R-273 à Saint-Apollinaire et la route Germain à Lévis Hindrance
Minor
Direction
West
From 2023-10-02
to 2023-10-06
20 
À Lévis, à la hauteur de la route Germain Hindrance
Minor
Direction
West and east
From 2023-10-04
to 2023-10-05
20 
Lévis (Saint-Nicolas), à la hauteur de la R-171 Hindrance
Minor
Direction
West and east
From 2023-10-02
to 2023-10-03
20 
À Lévis, à la hauteur de l'A-73 Hindrance
Minor
Direction
West
From 2023-10-01
to 2023-10-02
20 
À Lévis (Saint-Romuald), à la hauteur de l'A-73 Hindrance
Minor
Direction
West
From 2023-05-15
to 2023-11-15
20 
À Lévis, de part et d'autre de la R-173 Hindrance
Minor
Direction
East
From 2023-06-18
to 2023-10-25
20 
À Lévis, entre le chemin des Îles et la route Monseigneur-Bourget Hindrance
Major
Direction
West and east
From 2023-10-02
to 2023-10-11
20 
À Lévis, à la hauteur de la R-173 Hindrance
Major
Direction
West
From 2023-10-03
to 2023-10-04
20 
À Saint-Jean-Port-Joli, à la hauteur de la R-204 Hindrance
Minor
Direction
West and east
From 2023-10-04
to 2023-10-04
20 
À Saint-Roch-des-Aulnaies, à la hauteur de la R-132 Hindrance
Minor
Direction
West and east
From 2023-10-04
to 2023-10-04
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
20 
Notre-Dame-du-Portage rest stop, on the A-20 at km 498 in the EAST direction, lane width reduced to 3.5 meters to access the site. During work, access closed. Work postponed due to bad weather. September 26, 2023
at 10:47 a.m.
20 
Site de la halte routière de Notre-Dame-du-Portage au km 498, près de la jonction vers l'A-85 Hindrance
Minor
Direction
East
From 2023-05-08
to 2023-10-04
20 
À Cacouna, de part et d'autre de la R-191 Hindrance
Major
Direction
West and east
From 2023-09-22
to 2023-10-06