Sainte-Catherine Ouest project: Work in progress and news

Last updated September 13, 2023
Reading time: 2 min

The Rue Sainte-Catherine Ouest project includes major work for the replacement of underground infrastructures that are over a century old and are obsolete, as well as for the reconfiguration of public areas. The project is in Phase 2 of its realization, with work beginning during the Summer of 2023.

How to get informed

Notice of construction work

Ongoing work may impact your daily activities. Read the notices in effect in order to help us improve how we share the space near the worksites.

Print copies of the notices will also be handed out at the entrances of buildings located in the vicinity of the worksites. To receive notices by email, sign up here (In french only)!

Traffic and commercial delivery map

Traffic detours and commercial delivery areas are planned in an effort to reduce the impact of construction work. A map is updated regularly for the duration of work as part of the Sainte-Catherine Ouest project.

Work schedule

Phase 1

Work for the reconfiguration of Rue Sainte-Catherine, between Rue De Bleury and Rue Mansfield (Lots 1A and 1B) as well as Square Phillips and Avenue Union (Lot 2D) has been completed.

  • Place du Frère-André and adjacent streets - starting in 2025.

Phase 2
Rue Sainte-Catherine Ouest

Summer 2023 information session

Watch the information session.

Consult the questions and answers document of the session (in French)

Contact us:
Citizen services (construction work)

  • 514 872-3777: between 8:30 a.m. and 8:30 p.m. from Monday to Friday, as well as Saturday, Sunday and holidays, between 9 a.m. and 5 p.m. 
  • 311 outside the above-listed hours
  • [email protected]

Liaison agent (construction work)

For store, business or building managers

General information regarding the project 

Stay tuned

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or notices and alerts in order to get text messages or emails regarding major traffic hindrances or unforeseen situations.