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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
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.
December 22, 2022
at 9:40 a.m.
Additional Information:
Tunnel Louis-Hippolyte-La Fontaine
Tunnel arrival time
Truck traffic prohibited Pont Papineau-Leblanc between Montréal and Laval, SOUTHBOUND and NORTHBOUND, undetermined period. Reason : Preventive measures. October 25, 2022
at 11:10 a.m.
Thaw
Thaw period From March 20, 2023
to May 19, 2023
Thaw period From March 27, 2023
to May 26, 2023
Thaw period From April 10, 2023
to June 9, 2023
Montérégie
Major work to come on the Laviolette bridge.

Contraflow traffic from Friday at 8 p.m. to Monday at 6:30 a.m. during the weekends of March 31, April 7 and April 14.
March 21, 2023
at 8:45 a.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.
Closure A-15 Rest area close at Saint-Bernard-de-Lacolle, at km 4, near the border with the United States., SOUTHBOUND and NORTHBOUND, Saint-Bernard-de-Lacolle, undetermined period. Reason : Roadwork. October 28, 2022
at 12:04 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, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.m.
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.m.
20  

From :  Rivière-Beaudette, Ontario border

To : Les Cèdres, chemin Saint-Dominique

Roadway
Bare and Dry
Visibility
Good
20  

From :  Les Cèdres, chemin Saint-Dominique

To : Junction of highways 20 and 30 in Vaudreuil-Dorion

Roadway
Bare and Dry
Visibility
Good
20  

From :  Junction of highways 20 and 30 in Vaudreuil-Dorion

To : L'Île-Perrot

Roadway
Bare and Dry
Visibility
Good
20  

From :  Samuel-De Champlain Bridge Rive-Sud

To : Junction of highways 20 and 25 in Longueuil

Roadway
Bare and Dry
Visibility
Good
20 
À Longueuil Autoroute René-Lévesque (R-132) Sortie 82 (boul. Taschereau, pont Jacques-Cartier) Hindrance
Major
Direction
East
From 2023-03-27
to 2023-03-28
20 
À Longueuil Autoroute René-Lévesque (R-132) Entrée du boulevard La Fayette Hindrance
Minor
Direction
East
From 2023-03-27
to 2023-03-28
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  

From :  Junction of highways 20 and 25 in Longueuil

To : Sainte-Julie

Roadway
Bare and Dry
Visibility
Good
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  

From :  Sainte-Julie

To : Mont-Saint-Hilaire

Roadway
Bare and Dry
Visibility
Good
20  

From :  Mont-Saint-Hilaire

To : Sainte-Hélène-de-Bagot

Roadway
Bare and Dry
Visibility
Good
20 
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.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, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.m.
Montréal
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.
Slow-moving traffic A-20 Towards A-10 east, towards Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.m.
Slow-moving traffic A-20 towards A-10 west, traffic on diverted lanes and lane width at 3.9 metres., WESTBOUND, undetermined period. Reason : Work planned later. October 6, 2022
at 1:45 a.m.
20  

From :  L'Île-Perrot

To : Dorval

Roadway
Bare and Dry
Visibility
Good
20  

From :  Dorval

To : Turcot Interchange

Roadway
Bare and Dry
Visibility
Good
20 
À Montréal (arr. Lachine) et Dorval Autoroute du Souvenir À la hauteur sortie 58 (55e Avenue) Hindrance
Major
Direction
West
From 2023-03-27
to 2023-03-28
20 
À Montréal (Lachine) Autoroute du Souvenir À la hauteur de la 1re Avenue Hindrance
Minor
Direction
West
From 2023-03-27
to 2023-03-28
20 
À Montréal (arr. Lachine, Le Sud-Ouest) Autoroute du Souvenir Entre la sortie 62 (1re Avenue) et l'entrée de l'avenue Saint-Pierre Hindrance
Major
Direction
East
From 2023-03-27
to 2023-03-28
Mauricie—Centre-du-Québec
Major work to come on the Laviolette bridge.

Contraflow traffic from Friday at 8 p.m. to Monday at 6:30 a.m. during the weekends of March 31, April 7 and April 14.
March 21, 2023
at 8:45 a.m.
Closure A-15 Rest area close at Saint-Bernard-de-Lacolle, at km 4, near the border with the United States., SOUTHBOUND and NORTHBOUND, Saint-Bernard-de-Lacolle, undetermined period. Reason : Roadwork. October 28, 2022
at 12:04 p.m.
20  

From :  Sainte-Hélène-de-Bagot

To : Drummondville

Roadway
Bare and Dry
Visibility
Good
20  

From :  Drummondville

To : Sainte-Eulalie

Roadway
Bare and Dry
Visibility
Good
20 
À Saint-Cyrille-de-Wendover, entre la sortie 185 (Route 255, Baie-du-Febvre, Saint-Cyrille-de-Wendover, Saint-Félix-de-Kingsey) et la sortie 181 (Boulevard Foucault). Hindrance
Major
Direction
West and east
From 2023-03-27
to 2023-03-31
20  

From :  Sainte-Eulalie

To : Saint-Louis-de-Blandford

Roadway
Bare and Dry
Visibility
Good
20 
À Sainte-Eulalie, sous le pont d'étagement situé sur la route 161. Hindrance
Minor
Direction
West and east
From 2023-03-27
to 2023-03-28
20 
À Daveluyville, sous le pont d'étagement situé sur la route 261. Hindrance
Major
Direction
In one direction at a time
From 2023-04-03
to 2023-04-03
20  

From :  Saint-Louis-de-Blandford

To : Villeroy

Roadway
Bare and Dry
Visibility
Good
Chaudière-Appalaches
Québec - Lévis: Modified schedule for an indefinite period. Visit the Société des traversiers du Québec website. Ferry service : Open. March 27, 2023
at 6:07 a.m.
Major work to come on the Laviolette bridge.

Contraflow traffic from Friday at 8 p.m. to Monday at 6:30 a.m. during the weekends of March 31, April 7 and April 14.
March 21, 2023
at 8:45 a.m.
L'Isle-aux-Grues - Montmagny: Air service available. Visit the Société des traversiers du Québec website. Ferry service : Closed. December 15, 2022
at 6:49 a.m.
20  

From :  Villeroy

To : Lévis Saint-Nicolas sector

Roadway
Bare and Dry
Visibility
Good
20  

From :  Lévis Saint-Nicolas sector

To : Lévis, route Lallemand

Roadway
Bare and Dry
Visibility
Good
20 
À Lévis (Charny), à la hauteur de l'A-73 Hindrance
Major
Direction
East
From 2023-03-28
to 2023-06-09
20 
À Lévis (Saint-Romuald), à la hauteur de l'A-73 Hindrance
Major
Direction
West
From 2023-03-28
to 2023-06-09
20  

From :  Lévis, route Lallemand

To : Saint-Michel-de-Bellechasse

Roadway
Bare and Wet
Visibility
Good
20  

From :  Saint-Michel-de-Bellechasse

To : Montmagny

Roadway
Bare and Dry
Visibility
Good
20  

From :  Montmagny

To : La Pocatière

Roadway
Bare and Wet
Visibility
Good
Bas-Saint-Laurent—Gaspésie—Îles-de-la-Madeleine
20  

From :  La Pocatière

To : Saint-Pascal

Roadway
Bare and Dry
Visibility
Good
20  

From :  Saint-Pascal

To : Rivière-du-Loup

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rivière-du-Loup

To : Trois-Pistoles

Roadway
Bare and Dry
Visibility
Good
20  

From :  Rimouski Le Bic sector

To : Rimouski, montée Industrielle-et-Commerciale

Roadway
Bare and Wet
Visibility
Good
20  

From :  Rimouski, montée Industrielle-et-Commerciale

To : Mont-Joli

Roadway
Bare and Dry
Visibility
Good