TfL still uses UTS in modified form and hugely reduced quantities, as detailed in Wikipedia.
Liverpool St 33 - UTS London Underground - replaced early by Liverpool Street 33
Bank 01 - UTS London Underground ticket - London EC4N
Bank 35 - UTS London Underground ticket - London EC4N
Bank 21 - UTS London Underground ticket - London EC4N
Bank 24 - UTS London Underground ticket - London EC4N
Bank 30 - UTS London Underground ticket - London EC4N
