KeTech is the name of a popular customer information service used by many train operating companies in the United Kingdom. The system, previously known as Ditra, was first used by British Rail in 1989.

Voice Years Notes
John Elgar 1989-19??
Unknown female 1989-19??
Phil Sayer 1996-2016
Celia Drummond 1996-present
Emma Hignett 2007-present Used at London Overground stations.