Is it true that at one time the roundel and the Johnston font were at risk of being shown the door by TfL, in lieu of some silly new symbol associated with some marketing scheme?
TBH the adoption of the roundel for all of TfL's services was brilliant - the Underground was aleady a very string brand, and bringing everything else into that brand probably helped matters considerably when TfL was created.
(Strangely though, you don't see full-size station roundels on DLR stations in DLR colours though)
I don't recall having heard anything about that, though I but some smartarse style guru thought it'd be a good idea.
But, if they did, I'm not at all surprised the idea didn't go agead - after all if there's two things that visitors to London recognise straight away, it's those two icons of the transport system - other than the Routemaster and black cabs, I suppose!
I was interested to see you decribe then as 'aleady a very string brand'.... I thought Officer Crabtree from 'allo, 'allo had signed up for a minute