Roadworks and Projects
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From July 20th 2025 at 8 h
to September 12th 2025 at 18 h
Update-Ville de Montréal: Works on Greene Avenue between Prospect and Sainte-Catherine
Update:
As of August 29, new detours will be in place in the area as part of water main rehabilitation work. In addition, Sainte-Catherine Street will now be open to traffic.
Starting July 20, major infrastructure work will take place on Greene Avenue, between Prospect Street and Sainte-Catherine Street, for an estimated duration of six weeks.
The project involves the rehabilitation and reconstruction of a major water main, in coordination with the City of Westmount.
Traffic and Parking
Several traffic restrictions will be in place during the construction period:
Greene Avenue: closed between Prospect Street and Sainte-Catherine Street
Prospect Street: local traffic only
Sainte-Catherine Street: closed between Dorchester Boulevard and Atwater Avenue — detours in effect
Parking spaces will be temporarily used to store equipment and ensure a safe work zone
Traffic controllers (flaggers) will be on site as needed to facilitate safe and efficient travel
Please follow all posted signs and detour instructions.
Work Schedule
Monday to Friday: 7:00 a.m. to 7:00 p.m.
Saturday (if needed): 8:00 a.m. to 5:00 p.m. The schedule may change depending on weather conditions or unforeseen circumstances.
Construction Impacts
The use of heavy machinery such as jackhammers may cause noise, dust, vibrations, and odors. All necessary precautions will be taken to minimize disruptions.
Temporary interruptions to water service are planned. Advance notices (48 hours) will be distributed to affected buildings.
When sidewalks are obstructed, temporary safe walkways will be provided to maintain access to businesses and local services.
