Thanks Jochen, I was hoping you would reply after reading many of your posts on different forums over the years.
From what I can see the Australian RDS-TMC standard is similair to the UK standard as described here:-
http://www.sunatraffic.com.au/busine...tmc/index.html
So it should just be a matter of a map disc with the TMC database, I might contact Suna Traffic to see what they have to say.