Yes, referring back to this 'plan', the primary route is supposed to be via Douglas Avenue rather than Chelsey Drive. The trouble is that people, especially tourists, are going to take the path of least resistance to the Reversing Falls and are going to assume Harbour Passage hugs the harbour.
Maybe once the Museum is open, they would be more inclined to go up that way, but it will still be confusing.
From the capital plan, it appears they will be attempting the sections labelled 10, 11, and 'The Cove' next year.
The trouble with any extension on Chelsey Drive is that there is limited space once you get down by Ocean Steel. The initial section down to Merritt Street is probably not too bad with some collaboration with OSCO. But, this part here is extremely narrow, so other than painting the sidewalk red, I am not sure what could be done unless we go with the Main Street approach and steal a car lane.