Rule 281 (Incidents (rules 281 to 283)) Warning signs or flashing lights. If you see emergency or incident support vehicles displaying flashing lights in the distance, be aware there may be an incident ahead (see Rule 219). You should slow down and be prepared to move safely into another lane or stop. The emergency services, traffic officers and recovery workers may be required to work in the carriageway; for example, dealing with debris, collisions or conducting rolling roadblocks. You MUST follow any directions given by police or traffic officers as to whether you can safely pass the incident or obstruction. Laws RTA 1988 sects 35 & 163 as amended by TMA sect 6
Highway Code · Rule 281
Highway Code Rule 281
Breakdowns and incidents (275 to 287). A legal requirement (MUST / MUST NOT).
- Breakdowns and incidents
- Legal requirement
- OGL v3.0
What the rule says
Law · MUSTRule text reproduced verbatim from the official Highway Code (Crown copyright) under the Open Government Licence v3.0, see the attribution at the foot of this page.
In plain English
Stripped of the formal wording, Rule 281 comes down to one idea: rule 281 (Incidents (rules 281 to 283)) Warning signs or flashing lights. Because it is written with “MUST” or “MUST NOT”, it carries the force of law, ignore it and you are committing an offence, not simply driving badly.
It belongs to the breakdowns and incidents part of the Code, the habits a confident, considerate driver builds until they are automatic. The aim is not to memorise the sentence word for word, but to understand the hazard it protects you from, so you apply it without having to think when it counts.
If you are learning, treat this rule as one piece of a connected set rather than an isolated fact. The related rules below sit in the same section and reinforce each other, reading them together is how the breakdowns and incidents part of the Code starts to feel like common sense rather than a list to revise.
Because this is a legal rule, the consequences of ignoring it reach beyond the test: a “MUST” or “MUST NOT” breach can mean a fixed penalty, points on your licence, or in serious cases prosecution. Either way, the safe move is to build the habit early, while a driving instructor can correct it, rather than relearning it under test pressure. That is exactly what the practice routes and coaching in the DriveRoutes app are designed to help with, turning the rules below into the way you naturally drive.
Why rule 281 matters on the road
How you behave after a breakdown or incident protects you, your passengers and the people who stop to help. A calm, well-rehearsed response prevents a bad situation from becoming a dangerous one.
Common faults examiners record
In the breakdowns and incidents part of the Code, the faults most often written on the marking sheet tend to be the same handful. Knowing them in advance is the quickest way to drive them out of your own habits:
- Acting too late because the situation was read close rather than early.
- Incomplete observation before committing to a manoeuvre.
- An unsuitable speed for the road, the traffic or the conditions.
On the day
On the day, applying Rule 281 is about doing the safe, deliberate thing slightly earlier than feels necessary: read the situation in good time, observe fully, and act smoothly. The examiner is looking for planned driving, not perfection, and good habits formed in lessons carry you through.
Quick checklist
- Read the situation early and plan your response.
- Observe fully before you commit to anything.
- Keep your speed suitable for the road and conditions.
More from Breakdowns and incidents
Related Highway Code rules
- Rule 280Highway Code Rule 280Rule 280 (Obstructions (rule 280)) If anything falls from a vehicle on to a motorway or other high-speed road, DO NOT remove the obstruction yourself.
- Rule 282Highway Code Rule 282Rule 282 (Incidents (rules 281 to 283)) When passing the scene of an incident, remain alert for hazards (such as debris or slow-moving vehicles) and do not slow down unnecessarily (for example, if an…
- Rule 279Highway Code Rule 279Rule 279 (Additional rules for motorways (rules 277 to 278)) Disabled drivers.
- Rule 283Highway Code Rule 283Rule 283 (Incidents (rules 281 to 283)) If you are involved in an incident or collision or stop to give assistance - if possible, stop in a place of relative safety (see Rule 275) - use your hazard w…
- Rule 278Highway Code Rule 278Rule 278 (Additional rules for motorways (rules 277 to 278)) To rejoin the carriageway after a breakdown from - a hard shoulder, build up speed, indicate and watch for a safe gap in the traffic.
- Rule 284Highway Code Rule 284Rule 284 (Incidents involving dangerous goods (rules 284 to 285)) Vehicles carrying dangerous goods in packages will be marked with plain orange reflective plates.
Rule 281, your questions
Rule 281 (Incidents (rules 281 to 283)) Warning signs or flashing lights. It is a legal requirement, it uses “MUST” or “MUST NOT”, so breaking it is a criminal offence that can mean a fine, penalty points, or disqualification.
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