The CIS provides real-time audible and visual information to passengers at stations using a clock, train movement information and a scheduled timetable.
The company will upgrade the existing CIS for the operator’s new stations at Ebbsfleet, Stratford and St Pancras.
The company will further upgrade the system for all southbound trains when they begin services in 2009 and after the new Thameslink rail route upgrade.
Under a separate third contract, the company will upgrade the system for the new East London Line.
Southeastern operates services in Kent, Sussex and South East London and will operate the country’s first domestic high-speed service on High Speed 1, scheduled to enter service in December.