RAI/General/TBT-RAI-001

Rail Safety Awareness

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Rail Safety Awareness

Toolbox Talk Record

Ref: TBT-RAI-001  |  Issue: 1  |  Date: March 2026
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What?

  • Working on or near the railway is one of the most dangerous environments in the UK construction industry.
  • All persons accessing Network Rail infrastructure must hold a valid Personal Track Safety (PTS) certificate.
  • The Rule Book and associated standards govern all activities on or near the operational railway.
  • Trains can approach silently at speeds up to 125 mph — you may not hear or see them until it is too late.
  • A safe system of work must be in place before anyone enters the railway corridor for any purpose.
  • The Controller of Site Safety (COSS) is responsible for implementing the safe system of work on track.
  • Lookout warning systems provide advance warning of approaching trains so workers can move to a position of safety.
  • Possessions block train movements to allow engineering work, but strict safety rules still apply within them.
  • The Sentinel card system tracks worker competency and site access — entry without a valid card is prohibited.
  • Electrified railways add the risk of electrocution from overhead line equipment or third rail at 750V or 25kV.

Why?

Prevent train strikesTrains cannot stop quickly — a safe system of work and lookout protection are your only defence against being struck.
Legal and regulatoryNetwork Rail standards and the Rule Book are mandatory; breaches lead to removal from the railway and criminal prosecution.
Electrocution riskContact with overhead line equipment at 25kV or third rail at 750V is instantly fatal — safe distances must be maintained.
Do Don't
  • Hold a valid PTS certificate and Sentinel card before accessing any railway infrastructure.
  • Follow the safe system of work briefed by the COSS before entering the railway.
  • Respond immediately to lookout warnings and move to the designated position of safety.
  • Stay within the site boundary and authorised work area at all times on the railway.
  • Maintain safe distances from overhead line equipment and third rail as briefed.
  • Carry your PTS certificate and Sentinel card on your person at all times on site.
  • Attend all safety briefings and sign on with the COSS before starting work each shift.
  • Report any concerns about the safe system of work to the COSS immediately.
  • Wear all required PPE including orange high-visibility clothing as specified.
  • Know the emergency procedures and location of the nearest telephone or radio.
  • DON'T enter railway infrastructure without a valid PTS certificate and Sentinel card.
  • DON'T work on track without a safe system of work briefed and in place.
  • DON'T ignore lookout warnings — move immediately to the position of safety.
  • DON'T stray outside the authorised work area or cross running lines without permission.
  • DON'T approach overhead line equipment or third rail beyond the safe distance limits.
  • DON'T forget your PTS card — you will be refused access and sent home from site.
  • DON'T start work without signing on with the COSS and receiving the safety briefing.
  • DON'T assume trains are not running — check with the COSS before crossing any line.
  • DON'T wear personal headphones or earphones that could mask warning signals.
  • DON'T touch any fallen wires, cables, or equipment that may be electrically live.

See also: PTS (Personal Track Safety) Requirements | Safe System of Work on Track

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