Delays, cancellations, and overcrowding are just some of the reasons Deputy Minister Lee Waters decided to take a trip on the Wrexham to Bidston line.
Oedi, canslo trenau, a gor-lenwi - dim ond rhai o'r rhesymau pam y penderfynodd y Dirprwy Weinidog Lee Waters fynd ar daith ar y llinell rhwng Wrecsam a Bidston.