What it means
Warning: Traffic lights ahead. Be prepared to stop if the signal 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.



