Warning sign · W301
Traffic signals ahead sign (W301)
A traffic-light-controlled junction is ahead.
What does the traffic signals ahead sign mean?
A traffic-light-controlled junction is ahead.
What should you do?
Prepare to stop if the signal requires it.
| Sign code | W301 |
|---|---|
| Sign group | Warning signs |
| Applies to | All learner codes (1, 2 and 3) |
| Test section | Road signs and markings |
How to recognise the traffic signals ahead sign
A triangle showing a traffic light.
Where you will see it
On any road before an intersection with traffic lights, especially an isolated or new set that drivers may not expect.
What to do when you see it, step by step
- Slow down immediately and be ready to stop if the light changes from green to amber.
- Check for pedestrians and cross-traffic that might not obey the signals.
The common mistake
The sign only warns that lights are ahead. It does not tell you the colour or whether the set is working.
About warning signs
Warning signs tell you about a hazard ahead so you can slow down and prepare. They are red-bordered triangles. The K53 learner's test asks you to recognise signs like the traffic signals ahead sign (W301) and choose the correct response, so learn both the picture and the action.
How to answer a test question about this sign
- Look at the shape and colour first. They tell you the group: warning signs for this one.
- Recall what the sign asks of you: prepare to stop if the signal requires it.
- Remove the options that describe a different group of sign, then choose the response that matches the action.
Want the full explanation? Read the chapter Warning signs and temporary road controls.
Signs it is often confused with
Learners mix up signs that look or sound similar. Compare the traffic signals ahead sign with these:
Two-way traffic (W212)A triangle showing two opposing arrows to show traffic travelling both ways.
Crossroad ahead (W101)A triangle with a plain cross showing a road crossing yours.
T-junction ahead (W104)A triangle showing your road ending against a road that runs across it.Test yourself: Traffic signals ahead sign questions
1 What does this sign mean?
- Road construction or maintenance is ahead.
- The passage ahead is only wide enough for one vehicle.
- A traffic-light-controlled junction is ahead.
Show the answer
Answer C: A traffic-light-controlled junction is ahead.
Prepare to stop if the signal requires it.
Memory tip: W301 · Traffic signals ahead
All vehicle codes
2 Which response fits this sign?
- Approach carefully and follow any priority signs.
- Prepare to stop if the signal requires it.
- Slow down, watch for workers and follow temporary controls.
Show the answer
Answer B: Prepare to stop if the signal requires it.
Traffic signals ahead: A traffic-light-controlled junction is ahead.
Memory tip: Prepare to stop if the signal requires it.
All vehicle codes
Traffic signals ahead sign: quick questions
What does the traffic signals ahead sign (W301) mean?
A traffic-light-controlled junction is ahead.
What should you do at the traffic signals ahead sign?
Slow down immediately and be ready to stop if the light changes from green to amber. Check for pedestrians and cross-traffic that might not obey the signals.
Where will you see the traffic signals ahead sign?
On any road before an intersection with traffic lights, especially an isolated or new set that drivers may not expect.
What is the common mistake with the traffic signals ahead sign?
The sign only warns that lights are ahead. It does not tell you the colour or whether the set is working.
Sign artwork: Southern African Development Community (SADC), public domain. AceK53 is an independent study aid. Always confirm test requirements with your driving licence testing centre.