Revision question · Road and traffic signs

When may you use hazard warning lights while you're driving?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Instead of sounding the horn in a built-up area between 11.30 pm and 7.00 am

On a motorway or unrestricted dual carriageway, to warn of a hazard ahead

On rural routes, after a sign warning of animals

On the approach to toucan crossings, where cyclists are waiting to cross

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On a motorway or unrestricted dual carriageway, to warn of a hazard aheadThis was the right answer

When there’s queuing traffic ahead and you have to slow down or even stop, briefly showing your hazard warning lights will help alert the traffic behind to the hazard.

Reviewed reading for this question

Rule 116Highway Code rule · Moving hazard-light use is narrowly for warning following drivers on a motorway or unrestricted dual carriageway.

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