Meaning D4
Mandatory direction shown on the sign. This sign sets a mandatory direction. Follow it at once and do not deviate.
Memory aid
D = direction. A blue circle is mandatory.
Common mistake
Common mistake: skipping supplementary plates, which state the exceptions.
On the road
You reach a split and see sign D4 (Mandatory direction shown on the sign). This sign gives a mandatory direction.
What should you do?
- Follow the mandatory direction.
- Get into the right lane in time.
- Watch the lanes and the signs beside them.
Practice questions with model answers
What does sign D4 mean?
Mandatory direction shown on the sign. This sign sets a mandatory direction. Follow it at once and do not deviate. 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?
Follow the mandatory direction. Get into the right lane in time. Watch the lanes and the signs beside them. This is exactly what the CBR tests.
Which exceptions can a supplementary plate add to sign D4?
Supplementary plates can add times, vehicles or exceptions. The right exam answer always names that exception.
Frequently asked questions
What does sign D4 mean?
Mandatory direction shown on the sign. This sign sets a mandatory direction. Follow it at once and do not deviate.
What should you do immediately at sign D4?
Follow the mandatory direction. Get into the right lane in time. Watch the lanes and the signs beside them.
What is a common mistake with sign D4?
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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