Mobility Montréal is advising highway customers to plan their journeys rigorously for the weekend of Could 22 to 25, 2026, as elevated site visitors tied to the Formulation 1 Grand Prix du Canada is predicted throughout the area.
Whereas no main freeway closures are scheduled on Montreal’s expressway community as a result of Grand Prix, officers say congestion continues to be anticipated on key routes, significantly on the Jacques-Cartier and Samuel-De Champlain bridges.
Drivers are additionally inspired to think about public transit when travelling to downtown Montreal and Parc Jean-Drapeau.

Congestion anticipated round main bridges and key corridors
Mobility Montréal is warning that site visitors delays are doubtless on a number of main arteries, together with:
- Jacques-Cartier Bridge
- Samuel-De Champlain Bridge
- Route 132
The group is urging motorists to anticipate heavier-than-usual site visitors linked to Grand Prix-related exercise all through the weekend.
Site visitors changes on Victoria Bridge
Particular lane configurations might be in place on the Victoria Bridge all through the weekend:
Friday
- 5 a.m. to 9 a.m.: 1 lane towards Montréal
- 9 a.m. to 10:30 a.m.: 1 lane towards the South Shore
- After 10:30 a.m.: 1 lane in every path
- No PM peak configuration
Saturday
- 7 a.m. to 10:30 a.m.: 2 lanes towards the South Shore
- After 10:30 a.m.: 1 lane in every path
Sunday
- 7 a.m. to 11:30 a.m.: 2 lanes towards the South Shore
- After 11:30 a.m.: 1 lane in every path

Main closure in Vaudreuil-Dorion
From Friday at 8 p.m. to Monday at 5 a.m., the Route 340 (boulevard de la Cité-des-Jeunes) will see a closure of each exit and entry ramps to Autoroute 30 eastbound.
Detour routes
For entry towards A-30 east:
- Proceed through R-340 east
- Henry-Ford Road
- R-342 East (Harwood Highway)
- A-30 west ramp towards the A-20/A-30 interchange
Alternate route:
- Montée Labossière
- R-342 West (Harwood Highway)
- Montée Cadieux
- Rue F.-X. Tessier Road and Joseph-Provider Road
- A-40 west ramp and exit 32 towards A-30 east
For entry from A-30 east:
- Exit 5 (A-20)
- A-20 east ramp
- R-342 west (Harwood Highway)
- Henry-Ford Road
A separate reminder notes that on Route 340 east, between Chemin de la Petite-Rivière and the A-30 overpass, one among two lanes stays closed till late November.

Main infrastructure and roadwork tasks ongoing
Autoroute 40 east — long-term reconstruction begins
Beginning Could 24, main rehabilitation work begins on Autoroute 40 east between the Anjou interchange and the Charles-de Gaulle Bridge.
The multi-year mission, anticipated to proceed till late summer time 2028, contains:
- Concrete slab repairs
- Set up of precast slabs
- Joint repairs
- Floor sturdiness and grip enhancements
Autoroute 640 asphalt work resumes
On Could 25, asphalt rehabilitation resumes on Autoroute 640 between Autoroute 15 and Chemin du Bas-de-Sainte-Thérèse in Blainville.
The mission, which started in 2025, is scheduled to proceed till the tip of June and goals to enhance security and driving consolation.
Autoroute 520 overpass reconstruction — new section
Since Could 20, reconstruction work on the Autoroute 520 overpass over forty third Avenue has entered a brand new section.
This transformation will end in site visitors disruptions on Chemin de la Côte-de-Liesse in each instructions.
Autoroute 15 reserved lane mission continues
Since Could 10, work has resumed on the event of a reserved lane on Autoroute 15 between Boisbriand and Mirabel.
A full closure of a portion of the reserved lane close to Chemin Côte Saint-Pierre in Mirabel will final roughly six weeks, whereas extra building continues between Boisbriand and Blainville.
Harwood Boulevard intersection upgrades in Vaudreuil-Dorion
Work that resumed on Could 11 on the intersection of Boulevard Harwood (A-20) and Rue Bellemare will proceed till August.
The mission contains:
- New turning lanes
- Site visitors sign set up
- Lighting enhancements
The aim is to enhance security and entry to the Sûreté du Québec station and surrounding streets.
Autoroute 13 south reconstruction in Laval
Since Could 18, reconstruction work has resumed on a piece of Autoroute 13 south between Boulevard Dagenais Ouest and Autoroute 440 in Laval.
Site visitors stays open, however lanes are being shifted and diminished till the tip of September.
Culvert alternative on Autoroute 640 west
Since Could 19, a two-way site visitors configuration has been in place between Saint-Joseph-du-Lac and Sainte-Marthe-sur-le-Lac for culvert alternative work.
The setup maintains one lane per path for roughly 10 weeks.
Route 116 resurfacing work
Since Could 13, nighttime asphalt work has resumed on Route 116 between Saint-Bruno-de-Montarville and Longueuil, together with ramps between the affected limits.
The mission is predicted to proceed till mid-October.
Autoroute 31/40 interchange reconstruction in Lavaltrie
Since Could 18, reconstruction has begun on the Autoroute 31 overpass above Autoroute 40 in Lavaltrie.
The mission contains demolition of the present construction and building of a brand new bridge, with impacts anticipated via the tip of December. Work will pause throughout winter and resume in spring 2027.
Monitoring circumstances
Officers word that schedules could change relying on climate or operational constraints. Drivers are inspired to seek the advice of Quebec511 frequently for up to date info on closures and site visitors circumstances.




