Work on Rue Saint-Antoine Ouest: Updates and impacts

Last updated May 13, 2022
Reading time: 2 min

The water main reconstruction work on Rue Saint-Antoine may affect your daily life. Here is what you need to know.

Work site updates

Get all the latest news on the work site and the measures taken by the city to minimize its impact.

Work in progress

On Rue Saint-Antoine Ouest, from Avenue Atwater to Rue Bourget

  • Replacement of water mains
  • Installation of valve chambers on the primary water supply system

Work operations will resume during the week of March 7, after a three-month winter break.

Work schedule

  • Monday to Friday from 7 a.m. to 7 p.m. 
  • Saturday and Sunday from 8 a.m. to 7 p.m. (if necessary)

The work operations will follow a specific sequence in order to reduce the impact on the flow of traffic. Exceptionally, these operations may take place on the weekend.

Getting around during construction

Automobile traffic

  • Partial closure of Rue Saint-Antoine Ouest between Avenue Atwater and Rue Bourget until June 2022, with one westbound lane remaining open.
  • Closures planned on Rue Saint-Antoine at the corners of Rue Rose-de-Lima, Rue Bel-Air, Rue Brewster, Avenue Greene, and Rue Marin.
  • Possible complete closure of Rue Saint-Antoine on weekends

Temporary water supply network

A temporary water supply network will be installed so that drinking water can be distributed to buildings during the construction project. The quality of the drinking water will not be affected. The water is perfectly safe to drink.

Other impacts

  • Water closure: Water distribution may be interrupted temporarily during the work. The population affected will be notified 48 hours in advance. 
  • Parking in the work area is prohibited.
  • Sidewalk closures: Safe pedestrian crossings will be set up.
  • Change or cancellation of STM bus routes serving the area. Please call 514-786-4636 or visit for more information. 
  • Noise, dust and vibration. 

Garbage, recycling and food waste collection schedules will be maintained during the work. Please be sure to mark your address on your bins and garbage cans so that they can be returned to your building.

For more information on the progress of the work and how it may affect your activities, consult the Info-travaux map.

Notice of work operations

Consult the recent notices of work operations.