Autoroute 20 : conditions routièresAutoroute 20 road conditions
De l'Ontario à Montréal, puis Drummondville, Lévis et Rivière-du-Loup, sur la rive sud du Saint-Laurent. Ontario to Montréal, then Drummondville, Lévis and Rivière-du-Loup along the south shore of the St. Lawrence. Fermetures, conditions hivernales, chantiers et collisions sur l'autoroute 20, dans l'ordre le long de la route.Closures, winter road conditions, construction and collisions on Autoroute 20, in order along the road.
Autoroute 20 : 2 fermetures complètes en ce momentAutoroute 20: 2 full closures now
À 15 h 10 HAE.As of 3:10 p.m. EDT. 18 entrées; Chantiers : Ville de Québec seulement, en attendant les données de la province. Construction: Québec City only, until the province's own data is connected.
Collisions et incidents en ce momentCollisions and incidents now 0
Fermé pour travaux en ce momentFully closed for construction now 2
- Full closurewestbound
Road closed Westbound, contraflow traffic diverted to the opposite direction, A-20
Until Fri, Oct 23, 6:00 a.m. EDT
Asphalt · In Coteau-du-Lac, between km 17.5 and 16 · In both directions · Road closed WESTBOUND, contraflow traffic diverted to the opposite direction · From Monday to Friday between 9 p.m. to 6 a.m. the next day
quebec511 · QC · updated 2 days ago
- Full closurewestbound
Westbound: lane width reduced to 3.65 meters, A-20
Until Mon, Nov 16, 11:59 p.m. EST
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
quebec511 · QC · updated May 11, 2026
Entraves et chantiersLane closures and construction 16
- Lane closure
Access closed, A-20
Until Fri, Oct 23, 6:00 a.m. EDT
Asphalt · In Coteau-du-Lac, access is from Route 201 to Highway 20 West. · WESTBOUND · Access closed · From Monday to Friday between 9 p.m. and 6 a.m. the following day · Detour A-20 East, exit 22 (Saint-Dominique Road), A-20 West
quebec511 · QC · updated 2 days ago
- Lane closure
Exit closed, A-20
Until Fri, Oct 23, 6:00 a.m. EDT
Asphalt · At Coteau-du-Lac, exit 17 (R-201) · WESTBOUND · Exit closed · From Monday to Friday between 9 p.m. and 6 a.m. the following day · Detour A-20 West, Exit 14 (Monseigneur-Langlois Boulevard), R-201), R-338
quebec511 · QC · updated 2 days ago
- Lane closure
Access closed, A-20
Until Fri, Oct 23, 6:00 a.m. EDT
Asphalt · In Coteau-du-Lac, access from Chemin Saint-Emmanuel to A-20 West · WESTBOUND · Access closed · From Monday to Friday between 9 p.m. and 6 a.m. the following day · Detour A-20 East, exit 22 (Saint-Dominique Road), A-20 West
quebec511 · QC · updated 2 days ago
- Lane closure
Access closed, A-20
Until Tue, Oct 13, 5:00 a.m. EDT
Road resurfacing · In Brossard, Route 132 WEST towards Highway 10 EAST · WESTBOUND · Access closed · Friday between 10 p.m. and 7 a.m. the following day · Monday between 10 p.m. and 5 a.m. the following day · Detour: De Rome Boulevard, Marie-Victorin Boulevard EAST
quebec511 · QC · updated 1 day ago
- Lane closure
Access closed continuously, A-20
Until Tue, Oct 13, 5:00 a.m. EDT
Major renovation, Louis-Hippolyte-La Fontaine tunnel · In Longueuil, towards A-25 NORTH, tunnel · EASTBOUND · Access closed continuously · Friday between 9:30 p.m. and 8:00 a.m. the following day · Saturday between 9:30 p.m. and 7:00 a.m. the following day · Sunday between 9:30 p.m. and 8:00 a.m. the following day · Monday between 9:30 p.m. and 5:00 a.m. the following day · Detour Exit 137, De Montarville Boulevard, R-132 WEST, Jacques-Cartier Bridge
quebec511 · QC · updated 2 days ago
- Lane closure
Reserved lane closed, 2 lanes open at all times, A-20
Until Mon, Nov 30, 11:59 p.m. EST
Road reconfiguration · Between the Chemin du Fer-à-Cheval in Sainte-Julie and the Arthur-Branchaud Bridge in Beloeil · EASTBOUND · Reserved lane closed, 2 lanes open at all times · Traffic on diverted roads · Lane width: 3.3 meters
quebec511 · QC · updated August 28, 2026
- Lane closure
2 lanes in each direction, A-20
Until Thu, Dec 31, 11:59 p.m. EST
Road reconfiguration · Between km 112 in Beloeil and km 114 in Mont-Saint-Hilaire, including the Arthur-Branchaud Bridge · Traffic on diverted lanes · 2 lanes in each direction · EAST: 3.5 meters · WEST: 3.4 meters
quebec511 · QC · updated August 28, 2026
- Lane closure
Traffic on diverted lanes at all times, A-20
Until Jun 15, 2027, 11:59 p.m. EDT
Structure repair · In Notre-Dame-du-Bon-Conseil, on rivière Nicolet Sud-Ouest bridge · In both directions · Traffic on diverted lanes at all times
quebec511 · QC · updated 1 day ago
- Lane closure
Clearance under R-175: 4.4 meters, A-20
Until Tue, Nov 10, 11:59 p.m. EST
Bridge repair · In Lévis (Charny), on the service road, between A-73 and km 315 · EASTBOUND · At all times: · Clearance under R-175: 4.4 meters
quebec511 · QC · updated September 18, 2026
- Lane closure
Height restriction under R-175: 4.4 meters, A-20
Until Tue, Nov 10, 11:59 p.m. EST
Bridge repair · In Lévis (Charny), at R-175 · In both directions · Height restriction under R-175: 4.4 meters
quebec511 · QC · updated September 18, 2026
- Lane closure
Clearance under R-175: 4.4 meters, A-20
Until Tue, Nov 10, 11:59 p.m. EST
Bridge repair · In Lévis (Saint-Romuald), on the service road, between km 315 and A-73 · WESTBOUND · At all times: · Clearance under R-175: 4.4 meters
quebec511 · QC · updated September 18, 2026
- Lane closure
Traffic on diverted lanes at all times, A-20
Until Mon, Nov 9, 5:00 a.m. EST
Road redevelopment · In Lévis, between R-175 and rivière Etchemin · EASTBOUND · Traffic on diverted lanes at all times · WESTBOUND · Traffic of 1 lane out of 2 (left lane) diverted on the opposite roadway at all times
quebec511 · QC · updated 4 days ago
- Lane closure
Closure of 1 out of 3 lanes at all times, A-20
Until Mon, Nov 9, 5:00 a.m. EST
Road redevelopment · In Lévis, EAST R-275 · EASTBOUND · Closure of 1 out of 3 lanes at all times
quebec511 · QC · updated September 18, 2026
- Lane closureeastbound
Road closed Eastbound, contraflow traffic on the opposite roadway, A-20
Until Fri, Oct 23, 5:30 p.m. EDT
Asphalting · Between Rue Principale in Saint-Pierre-de-la-Rivière-du-Sud and Chemin des Poirier in Montmagny · In both directions · Until October 16: · Road closed EASTBOUND, contraflow traffic on the opposite roadway · Continuously, from Tuesday at 7 a.m. to Friday at 5:30 p.m. · From October 16 to October 19: · Closure of 1 out of 2 lanes · Continuously, from Friday at 5:30 p.m. to Monday at 7 a.m.
quebec511 · QC · updated 2 days ago
- Lane closure
Closure of 1 lane out of 2, Monday to Friday between 7 a.m
Until Fri, Oct 16, 5:00 p.m. EDT
Maintenance · Between R-204 in Saint-Jean-Port-Joli and R-132 in Saint-Roch-des-Aulnaies · In one direction at a time · Closure of 1 lane out of 2, Monday to Friday between 7 a.m. and 5 p.m.
quebec511 · QC · updated 1 day ago
- Lane closurewestbound
Access closed at all times, In Rivière-Ouelle, access from Chemin du Haut-de-la-Rivière to A-20 Westbound
Until Mon, Nov 16, 11:59 p.m. EST
Bridge repair · In Rivière-Ouelle, access from Chemin du Haut-de-la-Rivière to A-20 WESTBOUND · In both directions · Access closed at all times · Detour: R-132
quebec511 · QC · updated May 4, 2026
Autoroute 20 by email, every morning
Collisions, winter road conditions and closures on Autoroute 20 at 6:00 a.m. Eastern. Free, and one click to stop.
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What we cover in Quebec
- Construction and lane closuresLive, Québec City only, until the province's own data is connected only · Québec 511 (MTMD), Ville de Québec (WZDx)
- Collisions and incidentsNot connected yet
- Winter road conditionsNot connected yet