You may not think you know what an ESUB is, but you most definitely do.
Electronic Service Update boards are the things that stand near ticket gates and station entrances on TfL services. There are around 390 of them across the network. At a glance they tell you in real time what's working, what's not working, and what's iffy enough to consider fumbling for Citymapper.
But all ESUBs are about to change.
TfL has announced a redesign of the format. Legibility is made clearer, and features increased text size (extremely helpful when you're dodging shoals of commuters at high speed). Local lines are prioritised within a station, and only lines with an affected service are shown (which makes a lot of sense).
The new design is currently being tested at North Greenwich station, and all signs on the tube network will be updated in the coming weeks, starting with the Jubilee line.
The new layout will also be introduced across other TfL services later this year. Even if you don't explicitly notice the changes, they should make your journey just that little bit easier.
All images © TfL