Meaning B4
Priority junction, side road on the left. This sign sets priority. Decide at once who goes first and act on it.
Memory aid
B = priority. Link the shape and colour to the message.
Common mistake
Common mistake: skipping supplementary plates, which state the exceptions.
On the road
You approach a junction and see sign B4 (Priority junction, side road on the left). This sign decides who has priority.
What should you do?
- Decide who has priority.
- Look left and right and confirm the situation.
- Watch for supplementary plates and exceptions.
Practice questions with model answers
What does sign B4 mean?
Priority junction, side road on the left. This sign sets priority. Decide at once who goes first and act on it. In theory questions the point is the immediate effect: what should you do now?
What should you change as soon as you see this sign?
Decide who has priority. Look left and right and confirm the situation. Watch for supplementary plates and exceptions. This is exactly what the CBR tests.
Which exceptions can a supplementary plate add to sign B4?
Supplementary plates can add times, vehicles or exceptions. The right exam answer always names that exception.
Frequently asked questions
What does sign B4 mean?
Priority junction, side road on the left. This sign sets priority. Decide at once who goes first and act on it.
What should you do immediately at sign B4?
Decide who has priority. Look left and right and confirm the situation. Watch for supplementary plates and exceptions.
What is a common mistake with sign B4?
Common mistake: skipping supplementary plates, which state the exceptions.
What else should you watch for with this sign?
Watch for supplementary plates, zone markings and any end signs.
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