A Metrotown-North+Shore+Rapid+Transit+route should ultimately have a train as well as a bus line. That's because the SkyTrain won't be running 24 hours a day & BC lacks transportation redundancy.
There still should be a foot, bus & bike bridge between Port+Moody and Deep+Cove.
https://jfdatalinks.blogspot.com/search?q=Metrotown-North+Shore+Rapid+Transit+route