A breakdown at 56mph is one of the highest-risk minutes in a professional driver’s working life, and the Highway Code gives it a dedicated rulebook: rules 274 to 287, covering breakdowns and incidents. Every driver briefing should treat these as drilled procedure, not reading material - because the driver who needs them has no time to look them up.

Getting to a place of relative safety

Rule 275 frames everything that follows around “places of relative safety”, and the golden rule comes from rule 277: if your vehicle develops a problem, leave the carriageway at the next exit or pull into a service area if you possibly can. Only when that is impossible do you fall back to the roadside position:

  • get the vehicle to the left lane or a place of relative safety
  • switch on hazard warning lights
  • get everyone out and well away from the vehicle and moving traffic

The Highway Code’s illustration for rule 277 says it in the caption: keep well away from your vehicle and moving traffic. The cab is where people die in secondary collisions; the verge behind the barrier is where they do not. In a truck the temptation is to stay with the load - resist it. Cargo is insured; the driver is not replaceable.

Emergency areas and rejoining

On motorways without a hard shoulder - or where the hard shoulder is running as a live lane - emergency areas are the refuge: blue signs with an orange SOS telephone symbol, sometimes orange surfacing, for emergencies only (rule 270). Rule 278 covers the exit from them: rejoining the carriageway from a standing start into live traffic is its own hazard, and the emergency telephone in the area connects you to the people who can help you do it safely.

Debris and passing incidents

Two short rules carry commercial weight:

  • Rule 280: if anything falls from a vehicle onto a motorway or other high-speed road, do not remove the obstruction yourself. Stop in a place of relative safety and call the emergency services on 999. A lost strap, a shed pallet, a slipped load - the instinct to run back and grab it is exactly what the rule exists to override.
  • Rule 282: passing the scene of an incident, stay alert for debris and slow-moving vehicles, and do not slow down unnecessarily. Rubbernecking at the scene on the opposite carriageway causes the second incident.

If you are involved in or stop at an incident

Rule 283 sets the drill: stop in a place of relative safety, warn other traffic, call 999 with full details of location and casualties (on a motorway use an emergency telephone or the SOS button - they pinpoint you), move uninjured people away from vehicles, and be prepared to exchange details. Where dangerous goods are involved (rule 285), the same drill applies with extra emphasis on warning others about what is being carried.

These are MUSTs with statute behind them - section 170 of the Road Traffic Act 1988:

  • Stop. If possible, in a place of relative safety.
  • Exchange details. Give your own and the vehicle owner’s name and address, plus the vehicle’s registration number, to anyone with reasonable grounds for requiring them. For a company truck, that means the operator’s details as well as the driver’s.
  • Report within 24 hours. If you did not give your details at the scene, report the collision to the police as soon as reasonably practicable, and in any case within 24 hours.
  • Insurance certificate. If anyone is injured and you cannot produce your insurance certificate at the scene, report to the police as soon as possible and in any case within 24 hours, and produce the certificate to the police within seven days.

Missing the 24-hour or seven-day windows is itself an offence, entirely separate from who caused the collision. A driver can be blameless in the crash and still prosecuted for the paperwork.

The operator’s system

  • Drill the breakdown sequence at induction and refresh it annually: exit if possible, hard shoulder or emergency area if not, hazards on, everyone out, away from the vehicle, call for help.
  • Put the 24-hour and seven-day duties on a card in the cab. Drivers under stress forget them exactly when they apply.
  • Make incident reporting to the office immediate and mandatory; the legal clocks start at the collision, not at the end of the shift.
  • Treat every breakdown location as data: recurring problems on smart motorways without hard shoulders deserve route and scheduling review.

Breakdowns and collisions are when procedure earns its keep. Rules 274 to 287 are short, specific and written in blood - make them muscle memory before they are needed.

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