Temporary sign
Works traffic only sign
What does the Works traffic only sign mean?
Marks a route to be used by works traffic only. Do not follow works vehicles onto it.
Also known as: Works traffic sign
What it means
This route is to be used only by works traffic.
Red and white signs are used to direct works traffic, including at road junctions.
Other drivers must not use the route.
Where you'll see it
At junctions and works entrances where works vehicles turn off.
Rules to know
Red and white signs may also be used to direct works traffic at road junctions. The sign indicates a route to be used only by works traffic.
Know Your Traffic Signs, p. 155
Common mistakes
Mistake: Using it as a short cut.
Instead: It is for works vehicles only.
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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.
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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. 155
Sign image: Department for Transport, Traffic sign images (diagram 7301T). © 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