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Construction work   /   From June 16th 2026 at 16 h to August 31st 2026 at 15 h 52

Construction of the roundabout begins


The ministère des Transports et de la Mobilité durable informs the public that a construction phase will result in the complete closure of a section of Boulevard de la Cité-des-Jeunes (Route 340) and a westbound ramp on Highway 30 at the intersection with Route 340 in Vaudreuil-Dorion. This closure is necessary to construct a roundabout at the intersection of Route 340 and Boulevard de la Gare.

Road Closures and Traffic Management

From June 19 at 10:00 p.m. until the end of August

  • Complete closure of Route 340 between Boulevard de la Gare and Henry-Ford Street (the intersection with Henry-Ford Street remains open). Access to Boulevard de la Gare heading north and to Route 340 heading west will be available via a detour route.
  • Complete closure of Exit 2 (Saint-Lazare, Boulevard de la Cité-des-Jeunes) from Highway 30 westbound.

Detour routes will be marked with temporary signage. The Ministère recommends that motorists traveling in the area allow extra time to reach their destinations.

Avis publié le June 16th 2026 at 15 h 58