Safety Systems and IEC61508 

Some Control Systems influence the safety of the motorist and therefore call for a high standard of reliability and integrity.

SSL are able to offer fully compliant IEC61508 SIL formal development processes including SIL derivation and Safety Case, ensuring that the final Control System is a fully endorsed as a safe product to deploy.

Examples of Control Systems which SSL have provided to IEC61508 include:

  • Hindhead Tunnel Traffic Controller
  • Bell Common Tunnel Traffic Control System
  • Holmesdale Tunnel Traffic Control System

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