The current Tri-Cities bike map shows this path as an informal bike route.

https://www.coquitlam.ca/DocumentCenter/View/109/Tri-Cities-Cycling-Map-PDF

(Although access is currently closed due to a Transmountain temporary workspace: https://www.transmountain.com/coquitlam?b=49.226%2C-122.819%2C49.24%2C-122.779&u=colony-farm-regional-park-temporary-workspace )