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Roadwork and Projects

Protect your underground installations

The City is planning infrastructure projects (roads, water, and street lighting) from May to November 2026. Residences in planned work zones may be affected. Please advise teh City if your property has heated sidewalks or driveways, irrigation systems, or other underground installations. Click here for more information

Info-travaux mapCapital Works Programme map

Westmount Projects

2026

Localised Repairs (patching)

These works consist of localized repairs of small areas of asphalt that have deteriorated significantly or where recurring potholes pose create safety concerns. The work involves removing and replacing the top layer of asphalt only. This type of intervention is used to improve driving conditions on roads that are not yet scheduled for immediate reconstruction or resurfacing. 

List of Scheduled Repairs

The dates listed below are subject to change depending on weather conditions.

Due to unexpected logistical constraints, the project originally scheduled to begin on July 6 has been delayed. Work is now projected to begin in early August.

Starting in early August 2026 for approximately one (1) week.

  • Lansdowne Ave. between Sherbrooke St. W. and Ch. de la Côte-Saint-Antoine
  • Edgehill Ave. between Lexington Ave. and The Boulevard (eastern half)
  • Severn Ave. between Mountain Ave. and Mount Pleasant Ave.

If necessary, the Engineering Department will issue temporary parking permits to residents in the work zone.


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August 2025 to 2026

Restoration of the Roslyn stairs

Project Summary

  • Work planned: Restauration of the Roslyn public staircase
  • Work area: Intersection of Upper Roslyn Avenue and The Boulevard
  • Start date: August 11, 2025
  • Estimated duration: 2 years
  • City's investment: $2,983,234 
  • Contractor: Saho Construction Inc.

This construction project will be carried to restore the Roslyn public stairs, which serve as an exterior public stairway connecting Upper Roslyn Avenue to The Boulevard. The project aims to ensure the safety, accessibility, and long-term preservation of this important public infrastructure.

Project Details

Some fo the key highlights of the project include :

  • demolition of the existing staircase structure while preserving the existing surrounding retaining walls;
  • reconstruction of a new staircase structure, maintaining an east and west branch layout that is similar to the existing design;
  • construction of two additional retaining walls within the central green space to mitigate soil erosion;
  • installation of five new 'park style' Washington light posts with their respective underground electrical conduit infrastructure, to enhance safety in the area;
  • integration of a bicycle ramp into the concrete stairs, starting along the west side of the lower and middle sections, and continuing along the east side of the upper section of the staircase;
  • installation of an aluminium metal handrail on both sides of the staircase, with a single central handrail on the initial staircase section coming from The Boulevard;
  • removal of existing vegetation and replanting of all green spaces, with the preservation of select trees.

This project is scheduled to be completed in two phases over two years:

  • Phase 1 is scheduled to begin on August 11 and conclude by the week of December 20, 2025. A temporary handrail will be installed on the east side of the staircase to facilitate pedestrian access during the 2025-2026 winter season.
  • Phase 2 is planned to begin during spring 2026, starting on April 20 and will continue for approximately 7 weeks. This phase will include the installation of new stone cladding, repairs to the staircase walls, landscaping, and the installation of the permanent handrail. [ Consult the notice ]

Mobility and Parking

Due to the scope of the construction project, the contractor will need to occupy several public areas for the duration of the work:

  • The Boulevard (northbound driving lane): This lane will be used as a material transport zone, an equipment storage container, and a site toilet.
  • Belfrage Road: A construction trailer will be placed on this street.
  • Upper Roslyn (cul-de-sac): This portion of the avenue will also be occupied.
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May to August 2026

Replacement of the Main Staircase Foundations at Victoria Hall

Project Summary

  • Work planned: Replacement of the main staircase foundations at Victoria Hall
  • Work area: Victoria Hall main entrance (Arlington Avenue)
  • Start date: Week of May 25, 2026
  • Estimated duration: Until the end of August 2026
  • City's investment: $465 293
  • Contractor: Conception PLHP Inc

This project involves the rehabilitation of the foundations and components of the main staircase at Victoria Hall due to the deterioration of the steps and landing. The work will help ensure the safety, durability, and compliance of this public entrance.

Project Details

The project includes several interventions, notably:

  • repair of the structure supporting the stone steps and landing;
  • repair of interior vestibule floor finishes;
  • replacement of door thresholds;
  • restoration of wooden doors (sanding and refinishing);
  • repair of damaged interior finishes (stone plinths and floor stones) at the main entrance;
  • repair of damaged interior finishes at the east side secondary entrance;
  • upgrading the main entrance handrails to meet current standards;
  • restoration of landscaping upon completion of the work.

Since excavation work is required, a construction zone will be established around the main entrance.

The work will be carried out in two phases to maintain functional access to the building:

  • Phase 1: Main entrance – structural work, excavation, and major repairs
  • Phase 2: Secondary entrance – finishing work and compliance upgrades

The main entrance will be closed for the duration of the works. Users will be directed to the secondary entrance, which will be clearly signposted on site. A secured section of the main entrance will remain in place for emergency exits only.

Mobility and Traffic

Arlington Avenue will be closed in front of Victoria Hall during the works, and a construction zone will be established around the main entrance to accommodate excavation and related activities.

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May to August 2026

Works on Grosvenor Avenue

Project Summary

  • Work planned: Rehabilitation work on the road and water infrastructure
  • Work area: Grosvenor Avenue, between The Boulevard and the northern limit of the city
  • Start date: May 1, 2026
  • Estimated duration: 15 weeks
  • Contractor: Cojalac Inc.

Project Details

Beginning Friday, May 1, 2026, rehabilitation work on the road and water infrastructure will take place on Grosvenor Avenue, between The Boulevard and the northern limit of the city.

The scope of work includes:

  • Rehabilitation of the water main (installation of a structural liner)
  • Replacement of public water service connections (from the water main to the property line)
  • Localized repairs to the concrete road base
  • Reconstruction of sidewalks to a minimum standard width of 1.5 m
  • Replacement of street lighting conduits
  • Extension of hydro distribution infrastructure
  • Replacement of street lighting fixtures and bases
  • Complete asphalt resurfacing
  • Road line painting

The project will begin with repairs to the existing combined sewer network and the installation of a new storm sewer system.

Residents and Businesses

During the replacement of water service connections and the reconstruction of sidewalks, some work may extend into private landscaping located within the public right-of-way (e.g., lawns, walkways, driveway aprons). These areas may be temporarily disturbed during construction. All affected areas will be restored by the contractor to their original condition or improved upon completion of the work.

If you have a heated driveway, walkway, or irrigation system, please notify the Engineering Department at alaplante@westmount.org or 514 989-5200, ext. 5547 (unless already reported earlier this year).

Parking and Traffic

On-street parking will be temporarily prohibited within the construction zone. Parked vehicles may obstruct the work and cause delays; please respect all posted “No Parking” signage. At certain stages, access to driveways may be temporarily restricted. Affected residents will receive advance notice 24 to 48 hours prior to any interruption.

While construction is underway, Grosvenor Avenue will temporarily become a two-way street, open to local traffic only. Residents living on Grosvenor Avenue between Queen Mary Road and Sunnyside Avenue will be able to access the street exclusively via Queen Mary Road.

Additional information regarding parking permits will be provided in a separate notice to residents in the construction area. Pedestrian access to residences will be maintained at all times.

Waste, Recycling and Compost Collection

Collection of all waste materials (garbage, recycling, food waste, yard waste, and bulky items) will continue according to the regular schedule.

Materials must be placed curbside by 6 a.m. on collection day to allow the contractor to relocate bins as needed. Please ensure all bins are clearly identified with your address.

Work Schedule

  • April 30: Installation of temporary signage, including no-parking signs
  • May 1: Saw cutting of pavement and sidewalks, and minor preparatory work
  • May 4: Installation of a temporary water supply system, including localized excavations
Water Service Interruptions and Preventative Boil-Water Advisory: As part of the watermain work on Grosvenor Avenue, water service interruptions are scheduled for Monday, May 11 and Tuesday, May 12 starting at 7 a.m. to allow for connections to the temporary water network and rehabilitation work. Learn more

Following installation of the temporary water system, work will proceed with water service replacements and water main rehabilitation, followed by hydro, sidewalk, and roadway work.

Consult the work notice

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May to September 2026

Rehabilitation of Arlington Avenue and Sherbrooke Street West between Grosvenor Avenue and Strathcona Avenue

Project summary

  • Work planned : Reconstruction of Hydro Westmount underground infrastructure, rehabilitation of sidewalk sections, and roadway resurfacing
  • Work area: Sherbrooke Street West, between Grosvenor Avenue and Strathcona Avenue, as well as Arlington Avenue between Côte Saint-Antoine and Sherbrooke Street West
  • Start date: May 19, 2026
  • Estimated duration: Approximately 23 weeks
  • City's investment: $7,875,000
  • Contractor: Les Entreprises Ventec Inc.

Beginning Tuesday, May 19, resurfacing and infrastructure rehabilitation work will take place on Sherbrooke Street West, between Grosvenor Avenue and Strathcona Avenue, as well as on Arlington Avenue between Côte Saint-Antoine and Sherbrooke Street West. The project is expected to last approximately 23 weeks.

Project Details

The rehabilitation project on Sherbrooke Street West and Arlington Avenue includes the following work:

  • Reconstruction of Hydro Westmount’s underground infrastructure (electrical conduit network) beneath the north-side sidewalks*
  • Reconstruction of five Hydro Westmount access shafts located along the north side of Sherbrooke Street West
  • Full reconstruction of sidewalks on Arlington Avenue and along the north side of Sherbrooke Street West
  • Targeted reconstruction of selected sidewalk sections along the south side of Sherbrooke Street West
  • Removal of the asphalt surface, localized repairs to the road foundation, and complete resurfacing of Sherbrooke Street West and Arlington Avenue

*The improvements to the electrical network are essential to ensuring a safe and reliable power supply. These upgrades will not only help prevent potential outages, but also meet growing energy demands and replace aging equipment, thereby ensuring long-term service reliability for residents and businesses.

Project Schedule

To minimize impacts on businesses, residents, and traffic flow, the work will be carried out in several phases:

  • May 19 to mid-June: Reconstruction of Hydro Westmount infrastructure along the north side, between Grosvenor Avenue and Westmount Baptist Church
  • May 19 to mid-June: Targeted reconstruction of sidewalks and concrete crossings along the south side of Sherbrooke Street West, between Lansdowne Avenue and Strathcona Avenue
  • May 19 to late May: Reconstruction of sidewalks along the west side of Arlington Avenue
  • June to mid-July: Reconstruction of sidewalks and the lighting network along the east side of Arlington Avenue
  • Mid-June to mid-July: Reconstruction of Hydro Westmount infrastructure along the north side, between Westmount Baptist Church and Arlington Lane
  • Mid-June to July: Targeted reconstruction of sidewalks and concrete crossings along the south side of Sherbrooke Street West, between Grosvenor Avenue and Lansdowne Avenue
  • July: Reconstruction of sidewalks and concrete crossings along the north side of Sherbrooke Street West, between Grosvenor Avenue and Lansdowne Avenue
  • August: Reconstruction of Hydro Westmount infrastructure along the north side, between Arlington Lane and Strathcona Avenue, as well as construction of an electrical duct bank at the Victoria Hall BIXI station
  • August: Reconstruction of sidewalks and concrete crossings along the north side of Sherbrooke Street West, between Lansdowne Avenue and Arlington Avenue
  • August: Asphalt removal, localized road foundation repairs, and paving work on Arlington Avenue
  • Early September to mid-September: Reconstruction of sidewalks and concrete crossings along the north side of Sherbrooke Street West, between Arlington Avenue and Strathcona Avenue
  • Mid-September to late October: Asphalt removal, localized road foundation repairs, and paving work on Sherbrooke Street West

Mobility and Parking

One traffic lane in each direction will remain open throughout the duration of the work on Sherbrooke Street West. Arlington Avenue will be closed to through traffic, with access maintained for local traffic only.

Pedestrian access, including access to all residences and businesses, will be maintained at all times.

On-street parking along Sherbrooke Street West will be optimized as much as possible during the work. However, parking restrictions and changes to parking availability may occur depending on the progress and specific phases of the project.

Designated areas for deliveries and short-term loading and unloading operations will be provided whenever possible.

Road Closures

Lansdowne Avenue and Sherbrooke Street intersection

An electrical chamber reconstruction is scheduled at the intersection of Lansdowne Avenue and Sherbrooke Street. As a result, southbound traffic on Lansdowne Avenue at Sherbrooke Street, approaching from Côte Saint-Antoine Road, will be blocked. Lansdowne Avenue between Côte Saint-Antoine Road and Sherbrooke Street will be closed to through traffic and temporarily converted to two-way traffic for local residents only. Traffic will be detoured via Victoria Avenue. This closure is expected to last approximately five weeks. 

Rosyln Avenue and Sherbrooke Street intersection

Water works are scheduled at the intersection of Roslyn Avenue and Sherbrooke Street. As a result, southbound traffic on Roslyn Avenue at Sherbrooke Street, approaching from Côte Saint-Antoine Road, will be blocked. Roslyn Avenue between Côte Saint-Antoine Road and Sherbrooke Street will be closed to through traffic and accessible only to local residents. Traffic will be detoured via Victoria Avenue. This closure is expected to last approximately one week. 

Collection

Waste collection services will continue according to the regular schedule. Residents are asked to place their bins curbside before 6 a.m. and ensure they are clearly identified with their address so the contractor may relocate them if necessary.


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May to June 2026

Sidewalk Rehabilitation on Greene Avenue

Project Summary

  • Work planned: Sidewalk rehabilitation on Greene Avenue
  • Work area: Greene Avenue between Sherbrooke Street and Sainte-Catherine Street
  • Start date: May 25, 2025
  • Estimated duration: 4 weeks
  • Contractor: Les Entreprises Ventec Inc

Project Details 

The City of Westmount will be carrying out sidewalk rehabilitation work on Greene Avenue, between Sherbrooke Street and Sainte-Catherine Street, starting May 25, 2026. The total duration of the work is estimated at 4 weeks. The work will be carried out in a manner that minimizes impacts on local businesses and residents. Pedestrian access to residences and businesses will be maintained at all times. 

Phase 2

Starting on July 6

As part of this project, related work will also be carried out to electrify the BIXI station located at the intersection of Greene Avenue and De Maisonneuve Boulevard, as well as to rehabilitate sections of sidewalk in front of the entrance to Square Victoria. This work is expected to last approximately three (3) weeks and may be carried out in parallel or in phases.

Parking and Traffic

To ensure worker safety and access, on-street parking spaces will be restricted during the course of the work.

Additional localized disruptions may occur in adjacent areas due to the related works.


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June to September 2026

Reconstruction of Victoria Avenue

Project Summary

  • Work planned: Reconstruction of Victoria Avenue 
  • Work area: Between Westmount Avenue and Côte-Saint-Antoine Road
  • Start date: June 8, 2026 
  • Estimated duration: 14 weeks
  • Estimated cost: $944,451.79
  • Contractor: Les Entreprises Ventec Inc.

This project involves the complete rehabilitation of Victoria Avenue between Westmount Avenue and Côte-Saint-Antoine Road in order to improve roadway infrastructure, sidewalks, and the public street lighting network. 

Project Details

The project includes several interventions, including:

  • reconstruction of sidewalks;
  • reconstruction of the public street lighting network;
  • roadway slab repairs;
  • installation of a new asphalt surface.

Mobility and Parking

Due to the nature of the work, certain traffic and parking restrictions will be required throughout the duration of the project.

Parking

On-street parking will be prohibited within the construction zone for the duration of the project. Access to private driveways located within the work zone may be temporarily interrupted during certain phases of construction.

Residents whose driveways become inaccessible, or who prefer to park outside the construction zone, may use the temporary parking permit provided by the City.

A parking area reserved for holders of permit 750 will be established on Côte-Saint-Antoine Road near Victoria Avenue.

Note: This permit exempts holders from the 2-hour and 4-hour parking restrictions. However, all other parking regulations will remain in effect, including restrictions related to weekly street cleaning.

Road Closures

Vehicle access within the construction zone will be limited to local residents. Road closures are expected during the work, and detour routes will be implemented to maintain traffic circulation in the area.

Residents are asked to display the provided permit inside their windshield, preferably on the driver’s side, to allow traffic controllers to quickly identify authorized vehicles.

Pedestrian access to residences will be maintained at all times.

Waste Collection

Waste collection services will continue according to the regular schedule. Residents are asked to place their bins curbside before 6 a.m. and ensure they are clearly identified with their address so the contractor may relocate them if necessary.

Important Information for Residents

Residents whose properties are equipped with driveways heated by underground electrical cables or irrigation systems are asked to notify the project manager as soon as possible, if they have not already done so.


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June to September 2026

Murray Hill Avenue Reconstruction

Project Summary

  • Work planned: Reconstruction of Murray Hill Avenue (road infrastructure and intersection improvements)
  • Work area: Murray Hill Avenue between Westmount Avenue and The Boulevard, including the Douglas and Grenville Avenue sectors
  • Start date: June 29, 2026
  • Estimated duration: Approximately 14 weeks
  • Estimated cost: Details will follow
  • Contractor: Cojalac Inc.

Project details

As of June 29, 2026, reconstruction work will be carried out on Murray Hill Avenue to improve road infrastructure and intersections in the area.

The work will include, in particular:

  • full reconstruction of the roadway;
  • improvements to the intersections of Douglas and Grenville avenues;
  • reconstruction of sidewalks and curbs;
  • work on underground infrastructure;
  • localized reconfiguration of roadway edges within the municipal right-of-way.

Mobility and parking

Local access will be maintained as much as possible, particularly for residents of the area.

Garbage, recycling and compost

Waste collection will continue according to the regular schedule. However, when the street is inaccessible, collections will be managed by the contractor.

Bins must be placed at the curb by 6 a.m. on collection day and clearly labeled.

Special notices

Temporary water service interruptions may occur depending on the phases of the work. Precautionary boil water advisories may also be issued if required.

Due to the current situation affecting Montreal’s water system, the use of water for dust suppression may be limited on certain construction sites. Crews will apply the best possible practices within the applicable constraints, without compromising safety. Some dust is to be expected during construction.

Consult the project presentation

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June to July 2026

Renovation of the Entrance to the Comfort Station at the Westmount Athletic Grounds

Project Summary

  • Work planned: Renovation of the entrance to the comfort station
  • Work area: Front of the comfort station at the Westmount Athletic Grounds (WAG)
  • Start date: June 22, 2026
  • Estimated duration: 1 month
  • Contractor: Morival

This project involves the renovation of the entrance to the comfort station at the Westmount Athletic Grounds, including upgrades to underground infrastructure and resurfacing of the entrance area to improve durability and functionality.

Project Details

The work includes the following:

  • replacement of sewer lines and manhole covers within the paved area;
  • replacement of the drinking water fountain;
  • reconstruction of the concrete-paved entrance to the comfort station.

Mobility and Access

  • Work will take place at the front of the comfort station.
  • During construction, only the west entrance to the dog run will remain accessible.
  • Pedestrian access may be adjusted as work progresses.


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July to August 2026

Claremont Avenue Rehabilitation and Lorraine Avenue Reconstruction

Project Summary

  • Work planned: Claremont Avenue roadway rehabilitation and Lorraine Avenue reconstruction
  • Work area: Claremont Avenue, between Lorraine Avenue and Sherbrooke Street, and Lorraine Avenue
  • Start date: July 13, 2026
  • Estimated duration: Approximately 9 weeks
  • Contractor: Les Entreprises Ventec Inc.

Project Details

As part of the City of Westmount’s Capital Works Program, street rehabilitation work will begin on July 13, 2026, on Claremont and Lorraine avenues.

The project includes:

  • complete reconstruction of Lorraine Avenue;
  • rehabilitation of the Claremont Avenue roadway, including localized foundation repairs;
  • reconstruction of sidewalks;
  • replacement of the public lighting system;
  • installation of a new storm sewer on Lorraine Avenue, including service connections to adjacent properties.

Residents

As part of the sidewalk reconstruction, some work may temporarily extend onto private landscaping located within the municipal right-of-way (lawns, walkways, and driveways). All affected areas will be restored by the contractor to their original condition upon completion of the project.

If you have an irrigation system or a heated driveway, please notify the Engineering Department by email at genie@westmount.org (unless you have already done so earlier this year).

Mobility and Parking

Beginning July 13 at 7 a.m., access to driveways will be restricted, and on-street parking will be temporarily prohibited within the work zone.

Pedestrian access to residences will be maintained at all times.

Garbage, Recycling and Compost

Collection of all waste streams (garbage, recycling, organic waste, yard waste, and bulky items) will continue according to the regular schedule.

Please place your clearly labelled bins at the curb before 6 a.m. on collection day so that the contractor can move them if necessary.

Special notices

Temporary water service interruptions may occur depending on the phases of the work. Precautionary boil water advisories may also be issued if required.

Due to the current situation affecting Montreal’s water system, the use of water for dust suppression may be limited on certain construction sites. Crews will apply the best possible practices within the applicable constraints, without compromising safety. Some dust is to be expected during construction.


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To be determined

Reconstruction of Mountain Avenue

Project Summary

  • Work planned: Reconstruction of the roadway and streetlight infrastructure, including the installation of a new combined sewer system to improve stormwater management within the existing network.
  • Work area: Mountain Avenue, between Cedar Avenue and Sherbrooke Street
  • Start date: To be determined
  • Estimated duration: 22 weeks in 2026 and 7 weeks in 2027
  • Contractor: To be determined

Project Details

Construction work on Mountain Avenue, between Cedar Avenue and Sherbrooke Street, is expected to begin during the summer 2026.

The work will include:

  • replacing a section of the existing brick sewer mains with 750 mm diameter concrete pipes;
  • installing 2,400 × 1,200 mm rectangular concrete conduit sections, including eight rectangular manholes at five locations, for the new combined sewer system;
  • relocating sections of the water main and natural gas main to provide adequate space for the new combined sewer system (please note that all gas-related work will be carried out by Énergir);
  • reconstructing the road infrastructure (granular base, concrete slab, and asphalt pavement);
  • reconstructing sidewalks to the standard minimum width of 1.5 m;
  • installing new streetlight conduits and luminaires;
  • road line painting.

Residents

During the reconstruction of the sidewalks, some work may temporarily extend into private landscaping located within the public right-of-way (such as lawns, walkways, and driveway aprons). All affected areas will be restored by the contractor to their original condition or better upon completion of the work.

If you have a heated driveway, heated walkway, or irrigation system, please notify the Engineering Department at genie@westmount.org or 514-989-5200 (City main assistance line).

Portions of the water main and natural gas main will be relocated to provide adequate space within the public right-of-way for the installation of the new combined sewer system. Please note that some residents may experience a short interruption to their water service and/or Énergir natural gas service.

Parking and Traffic

On-street parking will be temporarily prohibited within the construction zone. Parked vehicles may interfere with the work and cause delays; please respect all posted No Parking signage.

At certain stages of construction, access to driveways may be temporarily restricted. Affected residents will receive 24 to 48 hours' advance notice.

During construction, Mountain Avenue will be temporarily closed to vehicular traffic. Appropriate detour signage will be installed to guide local traffic around the construction zone. Road closures and detour routes will vary throughout the different phases of the project.

Pedestrian access to residences will be maintained at all times.

Waste, Recycling and Compost Collection

Collection of all waste materials (garbage, recycling, food waste, yard waste, and bulky items) will continue according to the regular schedule.

Materials must be placed at the curb before 6 a.m. on collection day to allow the contractor to relocate bins if necessary. Please ensure that all bins are clearly identified with your address.

These versions follow the wording and style of the City's existing notices while keeping the French and English consistent with one another.

Special notices

Temporary water service interruptions may occur depending on the phases of the work. Precautionary boil water advisories may also be issued if required.

Due to the current situation affecting Montreal’s water system, the use of water for dust suppression may be limited on certain construction sites. Crews will apply the best possible practices within the applicable constraints, without compromising safety. Some dust is to be expected during construction.

Consult the project presentation

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Other projects impacting Westmount

April to June 2026

Ville de Montréal: Resumption of Work on Rue Saint-Antoine

Work on the rehabilitation of Saint-Antoine and Saint-Jacques streets will resume during the week of April 27, 2026, and is expected to be completed by early June 2026. This phase continues the City’s ongoing efforts to improve roadway infrastructure in the area.

The work aims to improve the infrastructure, including the reconstruction of the street, and the replacement of the water, sewer, gas, and electrical networks.

Work Details

  • Affected area: Rue Saint-Antoine, between Avenue Atwater and Rue De Courcelle.
  • Work to be completed in phases: The work will be carried out from east to west to minimize traffic disruptions.

Impact on Traffic

  • Rue Saint-Antoine (between De Courcelle and Lacasse streets)
    • Until mid-May
      • Partial closure with at least one lane maintained until mid-May
      • Home Depot access: Access via Saint-Antoine Street will be closed. The store will remain accessible via De Courcelle and Lenoir streets. On-site signage will indicate the detour route.
    • Starting mid-May
      • Full closures of Saint-Antoine Street, between De Courcelle and du Couvent streets, are planned for approximately one week to allow for asphalt paving.
      • To minimize disruption to traffic and nearby businesses, these closures will be carried out overnight.

Night work starting May 18: The rehabilitation work on Saint-Antoine and Saint-Jacques streets continues with a night paving phase starting May 18 at 8 p.m. for approximately seven nights. Saint-Antoine Street will be closed between Du Couvent and De Courcelle from 8 p.m. to 5 a.m. (local traffic maintained during the day), and De Courcelle Street will be closed on both sides of Saint-Jacques Street. Detours will be in place in the area. Learn more

Further updates will be provided as the work progresses.

Mobility and Parking

  • New parking restrictions will be in place near the construction zone and work areas;
  • Alternative arrangements will be implemented for pedestrian and cyclist circulation;
  • Public transit service will be maintained, although some routes, stops, and schedules may be adjusted. 

Work Schedule

  • Monday to Friday: 7 a.m. to 7 p.m., and 8 p.m. to 5 a.m. (during asphalt paving operations)
  • Weekend work may take place: 8 a.m. to 7 p.m.

For any questions, you may contact the information service at 514 872-3777 or visit montréal.ca for more details.


Consult the work notice (French only)

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May to June 2026

Ville de Montreal: Water main work on Atwater Avenue

The Ville de Montréal will be carrying out emergency water main repairs on Atwater Avenue. 

Phase 1 of the work is scheduled to take place from June 29 to July 10, 2026.

The second phase of the work is scheduled from July 13 to July 23, 2026.

These repairs are intended to ensure the proper operation of the water distribution system and to maintain the safety and integrity of municipal infrastructure in the area.

Work Details

Phase 1—Affected area:
Atwater Avenue, between De Maisonneuve Boulevard West and Lincoln Avenue.

Traffic Impacts

Atwater Avenue

  • Closure of the east-side lanes between De Maisonneuve Boulevard West and Lincoln Avenue.
  • Two-way traffic will be maintained using the west-side lane configuration. At all times, at least one traffic lane will remain open in each direction on Atwater Avenue.
  • Police officers will be present to help ensure the smooth flow of traffic.
  • Road users are asked to follow the temporary traffic signage installed on site.

Phase 2—Work Area:
Atwater Avenue, between René-Lévesque Boulevard West and Sainte-Catherine Street West.

Atwater Avenue

  • East-side lanes will be closed between René-Lévesque Boulevard West and Sainte-Catherine Street West.
  • Two-way traffic will be maintained on the west side, with one northbound lane and two southbound lanes.
  • Police presence will be provided to help maintain traffic flow.

Tupper Street

  • Eastbound traffic will be closed between Atwater Avenue and Lambert-Closse Street.
  • One westbound lane will remain open.

Road users are asked to follow the temporary traffic signage installed on site.

Please Note

Two additional phases of work will be required during the summer on Atwater Avenue:

  • between Saint-Jacques Street and Notre-Dame Street West;
  • between Saint-Antoine Street and René-Lévesque Boulevard West.

Mobility and Parking

  • Restrictions will be in effect within the work zones and on certain cross streets to accommodate two-way traffic.
  • Detours or alternative routes will be provided for pedestrians and cyclists.
  • Public transit service will be maintained; however, some bus stops and schedules may be modified. Atwater Metro Station will remain accessible at all times. For information, contact STM-INFO at 514-786-4636 or visit stm.info.

Work Schedule

  • Monday to Friday: 7 a.m. to 5 p.m.

For more information or questions:

Consult the notice from the Ville de Montréal

Consult the notice from the Ville de Montréal-July 7

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Visit the City of Montreal's website for up-to-date information on projects that affect Westmount.

To find out more about different types of roadwork and the road network in Westmount, consult the following pages:

Roadwork GuideTraffic and SignagePotholes

Please note that while Westmount does notify popular navigation apps (Google Maps, Waze, etc.) of road closures, the City has no control over what is published on these platforms.