What it means
Warning: A set of traffic lights is ahead. Be prepared to stop if the light changes to amber or red.
What to do
- Adjust speed so you can stop if the light ahead is red.
- Watch for queues extending back from the signal.
In the K53 test
Signals-ahead warnings appear where lights are hidden by crests or curves. Approach at a stoppable speed.
Where you will see it
On any road in advance of traffic signals.



