Warning sign
Reduce speed now sign
What does the Reduce speed now sign mean?
A red plate used with warning signs where you need to slow down now for the hazard ahead.
Also known as: Reduce speed now plate
What it means
Slow down now for the hazard shown on the sign above.
The plate is used with warning signs where a reduction in speed is necessary.
Slow down before you reach the hazard, such as a sharp bend.
Where you'll see it
Under warning signs, for example before a sharp bend or a junction.
Rules to know
The plate is used with warning signs where a reduction in speed is necessary.
Know Your Traffic Signs, p. 11
Read more
Common mistakes
Mistake: Treating it as a general reminder.
Instead: It means slow down now for the hazard on the sign above.
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© Crown copyright. Free to reuse under the Open Government Licence v3.0, as long as the sign is reproduced accurately and not in a misleading context.
Related signs
See also
Bend ahead
Warning sign
A warning sign it is often used with.
See also
Other danger
Warning sign
Another warning sign with a plate.
More warning signs
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- Know Your Traffic Signs (Department for Transport, Sixth edition, 2023), Warning signs, p. 11
Sign image: Department for Transport, Traffic sign images (diagram 511). © Crown copyright, reused under the Open Government Licence v3.0.
Last reviewed 11 October 2026. This page explains the sign in our own words; for the full rules, see The Highway Code. How we source and check content