1) Legacy ticket issuing system 
APTIS was the Accountancy and Passenger Ticket Issuing System used on the British Rail/National Rail until 2007. It was originally called `Advanced Passenger Ticket Issuing System` as it was being developed at the time of the Advanced Passenger Train. It was widely known as the All-Purpose Ticket-Issuing System, a description which was used duri.....
Legacy ticket issuing system