In any profession’s quest to be more rigorous, it minimises the uncertainty in its knowledge. We have in transport planning instead aimed to minimise the perception of uncertainty. But the uncertainty is still there. It comes in a few flavours. Dark Travel and Ghost Travel
The travel-related thinking is one of the observer (who is supposed to be qualified and have the knowledge to interpret the data keeping in mind the known unknowns).
The access-related thinking (as presented here) is one of the user.
The perception of access from the user experience point of view, as I would think of it, must be entirely different from one of a researcher: people would think about their access in relation to their immediate problems to solve, and until they are intentionally looking for pathways to get to a new (potential or required) destination, they would hardly ever consider whether they can do so (and, if yes, how exactly).
The travel-related thinking is one of the observer (who is supposed to be qualified and have the knowledge to interpret the data keeping in mind the known unknowns).
The access-related thinking (as presented here) is one of the user.
The perception of access from the user experience point of view, as I would think of it, must be entirely different from one of a researcher: people would think about their access in relation to their immediate problems to solve, and until they are intentionally looking for pathways to get to a new (potential or required) destination, they would hardly ever consider whether they can do so (and, if yes, how exactly).