Road Marking Application

Road marking application involves painting lines, symbols, and text onto carriageway surfaces using specialist marking equipment.
Working in live or recently closed carriageways exposes marking operatives to struck-by risk from passing vehicles.
Traffic management must be installed and confirmed before any operative enters the carriageway for marking operations.
Thermoplastic road marking material is applied at temperatures between 180°C and 220°C — contact causes severe thermal burns.
Solvent-based paint markings release volatile organic compounds requiring ventilation awareness for enclosed application areas.
Reflective glass beads are broadcast onto wet markings — the beads are a slip hazard on hard surfaces when spilled.
Pre-formed thermoplastic markings are applied using propane torches, creating hot works and LPG handling hazards.
Marking vehicles moving slowly along the carriageway require high-visibility livery and amber flashing beacons.
Night marking operations require enhanced lighting of the work area without creating glare for approaching drivers.
All road marking operatives must hold valid highway works competency qualifications for the operations they carry out.

Traffic exposure	Road marking happens in or adjacent to live traffic — operatives are struck by vehicles that do not see them or slow down.
Thermal burns	Thermoplastic material at 200°C causes instant full-thickness burns — thermal PPE and careful handling are mandatory.
Slow-moving target	Marking vehicles move at walking speed in live carriageways — drivers approaching from behind may not react in time.

Do

Don't

Ensure traffic management is installed before entering the carriageway for marking.
Wear thermal PPE including gloves and boots when handling hot thermoplastic material.
Hold valid highway works qualifications before carrying out road marking operations.
Use marking vehicles with high-visibility livery and amber flashing beacons.
Clean up spilled glass beads promptly — they create a severe slip hazard.
Follow hot works procedures when using propane torches for pre-formed markings.
Wear Class 3 high-visibility clothing at all times during road marking operations.
Provide adequate lighting for night marking without creating glare for drivers.
Ventilate enclosed areas when using solvent-based marking paints.
Brief the team on the traffic management layout and emergency procedures daily.

DON'T enter the carriageway for marking without confirmed traffic management in place.
DON'T handle thermoplastic material without thermal PPE — it burns at over 180°C.
DON'T carry out road marking without the required highway competency qualifications.
DON'T use marking vehicles without high-visibility livery and flashing amber beacons.
DON'T leave spilled glass beads on surfaces — they cause dangerous slipping.
DON'T use propane torches without following hot works and LPG safety procedures.
DON'T work in live carriageways without Class 3 high-visibility clothing.
DON'T create glare for approaching drivers with poorly positioned work area lighting.
DON'T use solvent-based paints in enclosed or poorly ventilated locations.
DON'T skip the daily briefing on traffic management and emergency procedures.

See also: Road Construction Safety Awareness | Working in Live Carriageways

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