Temporary sign
Traffic signals not in use sign
What does the Traffic signals not in use sign mean?
Marks traffic signals that are temporarily out of use. Do not obey them, and proceed with care.
Also known as: Signals not working sign
What it means
The traffic signals are not in use.
The sign shows traffic lights crossed out. It is used when signals are temporarily out of use.
Treat the junction as unsignalled and proceed with care.
Where you'll see it
On or next to traffic signals that are switched off or being installed.
Rules to know
The sign indicates traffic signals not in use.
Know Your Traffic Signs, p. 161
Read more
Common mistakes
Mistake: Waiting for a green light.
Instead: The signals are not in use. Treat the junction as unsignalled and proceed with great care.
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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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- 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 7019). © 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