A lengthy discussion of the typeface for the London Underground, both the old version by Edward Johnston as well as the refresh.
"We continue to make subtle changes" Ashworth admits, "but we're very wary about doing too much and are always happy to roll back changes if they end up not feeling 'right.'
"The most recent major change was to the numbers 1 and 4 earlier this year. Not a lot of people noticed until a poster appeared advertising engineering work on the 14th of February -- then I got A LOT of emails."
