TfL still uses UTS in modified form and hugely reduced quantities, as detailed in Wikipedia. Decoding vital info centrally on the right hand side, machine series starting 01 upwards related to now-closed staffed Ticket Office windows; 10 onwards relate to self-service Fewfare machines; series 31 etc comprise a complex Multifare variant.
This product is ideal for travelers who need to travel between Paddington station in London and Watford Junction using the UTS London Underground service.