Since we begain in 1999, TDS has undertaken a wide range of exciting and innovative projects on behalf of some of the UK’s top rail operators. Here are some examples:

Please click on the links below to view our project information sheets.

Class 14X Fleet
Door control upgrade
Northern Rail (East) (Class 144)
Arriva Trains Wales (Class 143)
Arriva Trains Wales (Class 142)

Class 15X Fleet
Gearbox Valve Module
Arriva Trains Wales and
Northern Rail (Class 153)

Class 150 Fleet
Door control upgrade
Northern Rail, Arriva Trains Wales,
First Great Western, London Eastern
Railway and London Midland

Class 153 Fleet
Door control upgrade
Northern Rail, Arriva Trains Wales,
London Eastern Railway and
London Midland

Class 156 Fleet
Door control upgrade
Northern Rail and London Midland

Class 158 Fleet
Door control upgrade
First ScotRail and East Midlands Trains

Class 170 Fleet
Door control upgrade
London Eastern Railway, Trans
Pennine Express and First ScotRail

Class 455 Fleet
Door control upgrade
Southern Railways