(28 May 2017, 9:06 pm)omnicity4659 wrote MAX is kind of for Interurban services now, as opposed to expresses. 

MAX upgrades should have really ceased, as MAX has now been succeeded by Arriva Express.

But the 'X' has formed part of the identity for each service regardless of whether they are expresses. It seems daft to not do it in this case, sort of dilutes the brand even more.