Warning sign · W327
Single-vehicle passage sign (W327)
The passage ahead is only wide enough for one vehicle.
What does the single-vehicle passage sign mean?
The passage ahead is only wide enough for one vehicle.
What should you do?
Approach carefully and follow any priority signs.
| Sign code | W327 |
|---|---|
| Sign group | Warning signs |
| Applies to | All learner codes (1, 2 and 3) |
| Test section | Road signs and markings |
How to recognise the single-vehicle passage sign
A triangle showing a structure only wide enough for one vehicle at a time.
Where you will see it
On any road before a narrow structure.
What to do when you see it, step by step
- Slow down if there is oncoming traffic, stop at least 6 metres before the structure and yield to the other vehicle.
The common mistake
The key difference from W326 is that there is no room to pass. One side waits.
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 single-vehicle passage sign (W327) 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: approach carefully and follow any priority signs.
- 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 single-vehicle passage sign with these:
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.
Skewed T-junction (W105)A triangle showing a T-junction whose cross-road meets yours at an angle (one of a left/right pair).Test yourself: Single-vehicle passage sign questions
1 What does this sign mean?
- The passage ahead is only wide enough for one vehicle.
- A right turn is prohibited at the junction ahead.
- An unprotected jetty edge or river bank lies ahead.
Show the answer
Answer A: The passage ahead is only wide enough for one vehicle.
Approach carefully and follow any priority signs.
Memory tip: W327 · Single-vehicle passage
All vehicle codes
2 Which response fits this sign?
- Approach slowly and keep clear of the unprotected edge.
- Approach carefully and follow any priority signs.
- Plan a route that does not use the prohibited turn.
Show the answer
Answer B: Approach carefully and follow any priority signs.
Single-vehicle passage: The passage ahead is only wide enough for one vehicle.
Memory tip: Approach carefully and follow any priority signs.
All vehicle codes
Single-vehicle passage sign: quick questions
What does the single-vehicle passage sign (W327) mean?
The passage ahead is only wide enough for one vehicle.
What should you do at the single-vehicle passage sign?
Slow down if there is oncoming traffic, stop at least 6 metres before the structure and yield to the other vehicle.
Where will you see the single-vehicle passage sign?
On any road before a narrow structure.
What is the common mistake with the single-vehicle passage sign?
The key difference from W326 is that there is no room to pass. One side waits.
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.