Redevelopment of Rue Saint-Antoine and Rue Saint-Jacques

Last updated November 6, 2025
Reading time: 1 min

Rue Saint-Antoine and Rue Saint-Jacques will be rebuilt and restored. The aim is to rethink the streets’ design while encouraging active, efficient mobility, thanks in part to the Express Bike Network bike lanes.

All about the work


When


Spring 2024 to summer 2026


Where


Rue Saint-Antoine, between Rue De Courcelle and Rue du Couvent
Rue Saint-Jacques, between Rue De Courcelle and Avenue Atwater

What


On Rue Saint-Antoine:

  • Rebuilding the water supply system, including a large-diameter pipe (75 cm)
  • Replacing lead water service lines
  • Rebuilding of sewer, electrical, gas and Bell systems, as well as sidewalks and road surface
  • Modifying traffic lights and street lamps
  • Planting of trees and plants
  • Creating a bike path at mid-level between the sidewalk and road surface

On Rue Saint-Jacques:

  • Restoring the water supply system
  • Replacing lead water service lines
  • Building concrete curbs between the bike and vehicle lanes
  • Repairing the road surface
  • Marking the bike path and installing bollards

Hommes-Forts Park area:

  • Closure of the U-turn lane crossing the park for cars
  • Implementation of a new U-turn authorization at the intersection of Rue Saint-Jacques and Rue Saint-Rémi
  • Reunification of the east and west sections of the park
  • Introducing new plantings
  • Extension of sidewalks on both sides of the park up to Rue De Courcelle

Location of all planned work

Why

  • Ensuring an adequate supply of quality drinking water for homes, businesses and institutions
  • Improving the reliability of sewer, electrical, gas and cable television systems
  • Offer a more harmonious and safer sharing of the street for people on bicycles, on foot or in cars
  • Securing and facilitating access to the Hommes-Forts Park

Traffic during the work: highlights

  • Complete closures of sections of Rue Saint-Antoine and Rue De Courcelle. Local traffic up to the work area
  • Closures of various intersections on rue Saint-Antoine in work zones
  • Maintain at least one lane at all times on Rue Saint-Jacques

Hindrances and work

Go to the Obstruction and construction info service to locate the hindrances caused by this project.

Work Notices