The angle of the formwork in the 2nd photo looks a lot more like stairs than a ramp to me. As a means of emergency egress, I suspect they will only be adding stairs, since they take up significantly less space than ramps and fit the code requirements. ADA guests would be directed to the ramps, while the remaining guests are quickly dispersed via the stairs on the end of the platforms
Like the Hong Kong Disneyland MTR station, perhaps?
I personally think that Disney does Victorian a little too often, but at this point anything would be better than the utilitarian look of TTC