sentences:  In 1988, the last of British Rail's Edmondson printing presses, located at the Paper and Printing Centre, Crewe, shut down.The last BR station to sell Edmondson tickets prior to full APTIS conversion was Emerson Park, on the Network SouthEast Romford to Upminster Line, on 29 June 1989.APTIS survived in widespread use for twenty years, but in the early 2000s was largely replaced by more modern PC based ticketing systems although some APTIS were modified as APTIS-ANT (with no obvious difference to the ticket issued) Oyster-compatible machines in the Greater London area.