Helvetica and Italics - at Central Station

Ok, so I've been meaning to put this up for a while. As a follow on from this post: commuting-with-helvetica ... I've realized that the station I'm at every day - Central - is a prime culprit of the Helvetica / Italics phenomenon.

I would love to know why:

• people do this
• how Queensland Rail can roll out a rebranding exercise, and not have consistent signage.

To recap - here's the original picture from Graceville station: