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Roadwork Information

For any questions regarding the different works, you can contact us at 450 621-3500, ext. 3314.


Notice of Traffic Disruption - Complete Closure of grande-côte road (between Westgate Street and route 117)
July 15

The Town would like to inform you that on July 15, from 9 a.m. to 3 p.m., Grande-Côte Road will be closed between Westgate Street and route 117.

Emergency vehicles will be able to pass through the closed area if necessary.

TFor everyone’s safety, please follow the posted signs.

It is the responsibility of road users and affected parties to plan and adjust their travel accordingly.


Traffic Disruption Notice - Northcote Street Repair Work
June 29 through the end of August

The Town would like to inform you that from June 29 through the end of August 2026, road repair work, including complete reconstruction of the roadway, replacement of fire hydrants, grading of existing ditches, replacement of certain culverts, and repair of the sanitary sewer system, will take place on Northcote Street, between Poplar Street and Montée Lesage.

Local circulation only.  For everyone’s safety, please follow the posted signs.

It is the responsibility of road users and affected parties to plan and adjust their travel accordingly.


WORK ON HIGHWAY 15 BETWEEN HIGHWAY 640 AND 50

The Ministère des Transports et de la Mobilité durable wishes to inform road users that work to build a new left-hand lane on Highway 15 between Highway 640 and 50 will begin on June 6, 2023, and will be spread over a three-year period. This new lane will be reserved for public transit, carpooling and emergency services.

Due to the nature of the work, complete and partial closures of Highway 15 northbound will be necessary throughout the construction period.







What’s happening

  • Gardening Bazaar and Secret gardens tour
  • Free Program to Help Reduce the Risk of Rain-Related Flooding in Rosemère
  • Rosemère in Bloom Contest
  • Automated Call Service
  • Municipal Code of Conduct and Civility