(11 Dec 2021, 6:31 pm)S813 FVK wrote Go North East appear to be giving the 'On Diversion' a go:

Go North East 6363/NK70 BYN by Garry McLeary, on Flickr

As one would expect, pretty clear on these displays. Would be interested to see how it's being done on the regular single-screen displays. Lothian have had to reduce theirs down to a symbol tucked to the side with no text.