Parks Canada has announced an investment of $170 million over the next five years for the Lachine Canal National Historic Site to upgrade its facilities and thus enhance the overall experience of more than a million people who visit the site annually.

In parallel to this major work, sites related to external projects affect the infrastructure of the Lachine Canal as well as its users. On this page, you will find information related to the work that has an impact on users of the path and the banks.

Ongoing Work


Work zone
Closed section
Suggested detour
Zones with obstructions

Ongoing work

Boroughs of Le Sud-Ouest and Lasalle

Canal's bank and path

Closure of the path and bank, south and north sides, from the Côte-Saint-Paul Bridge (De l’Église Street) in Le Sud-Ouest, down to chemin du Musée in LaSalle.

Period: October 2017 to May 2018

Work: rehabilitation of the Canal path lighting network, north and south sides.

Prime contractor: Government of Canada

Notice to users: Path closed. Please comply with onsite signage and be cautious while adapting your trips using the municipal bike path network or other safe alternative routes.


Le Sud-Ouest Borough – Saint-Henri and Côte-Saint-Paul Sectors

Canal's bank and path

Closure of the path on the north side of the Canal between the Sir-George-Étienne-Cartier Footbridge and the Lock No 4 (Côte-Saint-Paul Lock); detour via the path on the south side of the Canal.

Period: October 2017 to December 2019.

Work: Repairs to the walls of the Canal on the north side (including movement of electrical poles).

Prime contractor: Government of Canada (and Hydro Quebec for the movement of electrical poles).

Notice to users: Path not accessible on the north side. Detour set up on the south side of the path, in the same sector, crossing the Sir-George-Étienne-Cartier footbridge (Beaudoin Street) to the east and the temporary footbridge at lock No. 4 (de la Côte-Saint-Paul) to the west. Please, comply with the traffic signs in place.


Le Sud-Ouest Borough – Côte-Saint-Paul Sector

Turcot interchange

Partial closing of the path, south or north sides (alternating), from de l’Église Avenue to Hadley Street.

Period : April 2017 to September 2020.

Workreconstruction of the Turcot interchange.

Prime contractor: Ministère des transports, de la Mobilité durable et de l’Électrification des transports (MTMDET).

Notice to users: on-site detour suggestions, please comply with the traffic sign.
For more information, visit the site of the Ministère des Transports, de la Mobilité durable et de l'Électrification des transports.


Le Sud-Ouest Borough – Mill Sector

Mill parking

Closure of the Mill parking during the week (remains open at all times on Saturdays and Sundays).

Period: weekdays from September 2017 to January 2018.

Work: repairs to the buildings and land of the Parks Canada workshops, Mill Street. Temporary relocation of the employee parking at the Mill parking.

Main Contractor: Government of Canada.

Notice to users: use another public parking site.