The TfL Hopper fare is being used by more than 450,000 passengers per day, it has been revealed.
Launched in September 2016, the TfL Hopper fare allows users to make unlimited journeys on the bus and tram network for £1.50 within one hour of touching in.
The Hopper fare was introduced as part of a manifesto commitment by Mayor Sadiq Khan. More than 368m journeys have now been made since it was introduced, TfL says.