"The small sections of dark-blue need to have the plastic roadbed trimmed (easy to do), to fit with with the O60 turnouts without the 1-3/8" "fitter" sections at those locations."
I have done this at several locations with O72 Fastrack. Sometimes there is nothing to be done:
There is no way to address this 1/16" gap so I just live with it.
Lew