Fare dodging costs London £100m a year. Fares go unpaid in a range of ways on London's transport network, from failing to touch in and out with an Oyster/Contactless card to the use of counterfeit tickets. Some 450 revenue inspectors are employed across the network to try to stop fare dodging, these inspectors are plain clothed. To reinforce that anyone could be a ticket inspector we created a series 6 sheets across the underground asking “Is this what a ticket inspector would wear?” to make people think twice before cheating the system.