RAI/Track Safety/TBT-RAI-002

Safe System of Work on Track

Rail WorksTrack SafetySafe System of Work on Track

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Safe System of Work on Track

Toolbox Talk Record

Ref: TBT-RAI-002  |  Issue: 1  |  Date: March 2026
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What?

  • A safe system of work is the formal process that protects workers from being struck by trains while working on or near the railway.
  • The COSS (Controller of Site Safety) is responsible for setting up and managing the safe system of work at the worksite.
  • Safe systems include separated, controlled, and uncontrolled — each providing different levels of protection from train movements.
  • A separated safe system blocks train movements entirely through engineering possessions, giving workers full protection.
  • A controlled system uses lookouts and warning equipment to provide advance warning of approaching trains.
  • All persons working on the railway must be briefed on the safe system before entering the railway corridor.
  • Positions of safety where workers shelter during train passes must be identified, marked, and within easy reach.
  • Warning times must be sufficient for all workers to reach the position of safety before the train arrives.
  • Safe systems must account for sighting distances, train speeds, and the time needed for workers to move clear.
  • The COSS must conduct a site-specific risk assessment and confirm all elements of the safe system before work begins.

Why?

Prevent train strikesTrains travel at up to 125 mph and cannot stop quickly — the safe system is the only thing between you and a moving train.
Strict proceduresRail safety is governed by the Rule Book — any deviation from the safe system of work is a disciplinary and criminal offence.
COSS responsibilityThe COSS bears personal responsibility for the safe system — workers must follow their instructions without question.
Do Don't
  • Listen carefully to the COSS briefing and understand the safe system before starting work.
  • Know your designated position of safety and be able to reach it within the warning time.
  • Respond immediately to lookout warnings — move to safety without delay or hesitation.
  • Stay within the defined worksite boundary at all times during the possession or work period.
  • Maintain awareness of your surroundings and the railway environment throughout the shift.
  • Confirm you understand the safe system by signing the COSS briefing record.
  • Use the communication systems provided — do not rely on shouting in noisy environments.
  • Report any concerns about the safe system to the COSS before continuing work.
  • Return tools and materials within the site boundary before stepping back for trains.
  • Attend the end-of-shift debrief and sign off from the COSS before leaving the railway.
  • DON'T enter the railway until the COSS has briefed you on the safe system of work.
  • DON'T ignore the position of safety — know where it is before work begins.
  • DON'T delay when you hear a warning — move to the position of safety immediately.
  • DON'T stray outside the defined worksite boundary for any reason during work.
  • DON'T become complacent — maintain awareness even during possessions with no train movements.
  • DON'T begin work without signing the COSS briefing record to confirm understanding.
  • DON'T wear headphones or use mobile phones that could mask warning signals on track.
  • DON'T continue working if you have concerns about the safe system — speak to the COSS.
  • DON'T leave tools or equipment fouling the running line when stepping back for trains.
  • DON'T leave the worksite without formally signing off with the COSS at end of shift.

See also: Rail Safety Awareness | Lookout Warning Procedures

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