More rail passengers are getting the option to use paperless tickets, the Rail Delivery Group (RDG) has said.
Major stations are having the infrastructure for smart ticketing installed, with nine in 10 journeys "soon" available in this format, RDG, which represents rail firms, said.
Smart tickets can be bought online and stored on smartphones or smartcards.
Consumer group Which? said the plans were a "positive step" but "long overdue".