Temporary sign
Highway maintenance sign
What does the Highway maintenance sign mean?
Displayed on a vehicle used for highway maintenance. Flashing amber lights are normally on its roof.
Also known as: Highway maintenance vehicle sign
What it means
This vehicle is being used for highway maintenance works.
The sign is on a vehicle being used in connection with highway maintenance works.
Flashing amber lights are normally mounted on the roof of the vehicle. Slow down and pass with care.
Where you'll see it
On the back of highway maintenance vehicles.
Rules to know
Sign on a vehicle being used in connection with highway maintenance works (flashing amber lights are normally mounted on the roof of the vehicle).
Know Your Traffic Signs, p. 161
Common mistakes
Mistake: Tailgating the vehicle.
Instead: Keep a safe distance. The vehicle may stop or move slowly.
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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
Workforce in road
Temporary sign
Workers may be on the road.
See also
Road works
Temporary sign
The general warning for road works.
More temporary signs
All temporary signs
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- Know Your Traffic Signs (Department for Transport, Sixth edition, 2023), Road works and temporary signs, p. 161
Sign image: Department for Transport, Traffic sign images (diagram 7404). © 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