The Atos Worldline FASTticket system is a passenger-operated, self-service railway ticket issuing system, developed by the Guildford-based company Shere Ltd and first introduced on a trial basis in Britain in 1996, shortly after privatisation. It has been developed and upgraded consistently since then, and is now used by seven Train Operating Companies (TOCs) as their primary self-service ticket issuing system. Other TOCs have FASTticket machines at some of their stations, sometimes supplementing other systems.