Boulevard Alexis-Nihon: Reconstruction of underground utilities

Last updated May 8, 2026
Reading time: 1 min

Starting in summer 2026, Saint‑Laurent will undertake the reconstruction of the underground infrastructure on boulevard Alexis-Nihon.

Everything You Need to Know About the Project

When?

From summer 2026 until the end of 2026

Where? 

On boulevard Alexis‑Nihon, between rue de l’Église and boulevard de la Côte‑Vertu 

What? 

Several types of work are planned: 

  • Rebuilding sewer lines and water mains 

  • Replacement of lead service lines for notified properties 

  • Reconstruction and road paving 

  • Repair of certain sections of the central median 

Why?

The project aims to: 

  • Rehabilitate sewer and water pipes and increase their capacity 

  • Maintain a safe and comfortable roadway 

Temporary interruptions to water supply

Interruptions to drinking water supply are planned during construction. Approximately 48 hours before each interruption, a door hanger card will provide the date, time and any other useful information for affected residents. 

Work notices

Construction and obstructions

Check the Construction and Obstructions map to locate obstructions caused by this project.