100% Software Defined Automatic Train Protection

Yes. RailOS and our ETCS application are SIL4-certified — the highest safety integrity level for railway signalling. Our systems have been assessed by independent notified bodies and approved by national safety authorities in Belgium, the Netherlands, and Germany.

The same way any SIL4 system does — through rigorous verification, validation, and independent assessment. The difference is that our safety case is designed for software evolution. When an application is updated, only the changed software component needs re-certification, not the entire system.

You deploy the relevant national ATP application (PZB for Germany, KVB for France, TBL1+ for Belgium) as a software package on your existing RailOS hardware. No new boxes, no new wiring, no new depot integration. The hardware stays the same.

Those vendors build closed, proprietary systems where the hardware, software, and roadmap are controlled by the vendor. TSC’s platform is open — software-defined, hardware-agnostic, and available to third-party developers. We also offer full lifecycle services from assessment through homologation to 10-year maintenance, so you’re supported from day one to decade two.

Our founding team built ATP systems at Alstom, Bombardier, and other major OEMs before starting TSC. The collective experience is measured in decades, not years. TSC is part of the Škoda Group, providing corporate stability and manufacturing scale. And our systems are independently certified to the same SIL4 standard as every incumbent — the maths doesn't care who built it.

We start with a fleet assessment to determine scope and compatibility. Then we manage the homologation process with the relevant national safety authority — the most complex part of any retrofit. Once approved, our team handles installation and commissioning. Typical timelines depend on fleet size and country requirements.