Ok, so, I know this is a big ask for a suggestion, but I'm sure the other OCDers like myself will love it.
I suggest changing the underside of the walkway pieces to have either 2/2 bars going in each direction or 1/1 instead or 2/1 because then when trying to make something like this;
The underside looks like this;
Which really sets off my OCD, it looks wrong. Just, wrong. It needs to connect properly at any angle, not just if it happens to be on the correct side.