I can see that I am not going to get far on this one. Here is a bit of nonsense from Metlink. It is not out of context. I didn't ask anything about colour coded signage and no idea what information in 30% of cases means.
With respect to the new timetables appearing with the colour coded signage Metlink has been commissioned to provide information in 30% of the cases as per Government requirements.
I have forwarded your enquiry regarding tram timetable information to Yarra Trams for reply.
Yarra Trams have been a bit more helpful.
Following a determination of the issue you have raised, the matter has been referred to the appropriate area for review.