About Infrasig - Our Story

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Our Story


Infrasig was formed in 2012 as a joint venture between Carillion Rail and Bombardier Transportation.

The company combines Carillion Rail's expertise in the delivery of major rail infrastructure projects and Bombardier Transportation's signalling and train traffic control system technology. The combination enables Infrasig to provide the UK's only complete railway engineering solution, offering everything from trackside and cab telecommunications through to signalling and passenger infrastructure, including stations and platforms.

Since its formation, Infrasig has been selected for a number of Network Rail national frameworks and individual level crossing projects throughout the UK, establishing itself as a leading provider of signalling and train traffic control systems.

Infrasig's objectives are:

  • The seamless delivery of rail signalling and train traffic control system projects
  • To improve the performance and safety of the UK's rail network
  • To introduce proven signalling and train traffic control technology into the UK market
  • To play a major role in enabling the UK rail network to become more sustainable