Part of trying to understand how to make walking and cycling more attractive given that 47% of people living in Bath and working in Bath walk or cycle to work is trying to create cohesive end to end networks.
Whether you like it or not, your only real option for accessing the city centre from the west is to use the congested river path. It’s not only narrow, due to years of poor maintenance, but is also not perceived as safe late at night.
The Locksbrook Greenway Scheme fixes this:

But significantly it also fits in with Cycle Bath’s call to break Pines Way Gyratory:

This then delivers you directly to Quays Bridge and into the city centre.
This proposal is roughly identified in the Bath Enterprise Plan
However their proposal around the Pines Way misses the trick of identifying a core transport corridor to the train station.
The Locksbrook Greenway is not a new idea, but simply one that seems to be forgotten.