Mandatory signs
What do mandatory signs look like?

Lane-use control (left)
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Is the lane-use control left sign important for the theory test and the driving test?
This sign is very important both on the theory test and during the driving test. On the theory test you may be asked when you encounter the lane-use control left sign and what it means. During the driving test you must show that you recognize the sign and follow the requirement in practice.
What does the lane-use control left sign mean?
The lane-use control left sign indicates that drivers must pass the sign on the side the arrow points to.
Where do you encounter the lane-use control left sign?
You often find the lane-use control left sign at:
- Central reservations: Where traffic can only pass on one side.
- Traffic islands at intersections: To ensure correct passage through.
- The start of bus lanes: Where cars must stay on the left side.
The picture below shows the lane-use control left sign at a traffic island. The sign forces drivers to pass on the left side and protects the bus stop from wrong-way entry.

What happens if you ignore the lane-use control left sign?
If you drive on the wrong side of the central reservation or traffic island, you risk a fine, points and creating dangerous situations. The wrong direction of travel can lead to collisions with oncoming traffic or conflicts with bus and bicycle lanes.
Why is the lane-use control left sign important?
The lane-use control left sign ensures order and safety by directing traffic correctly past central reservations and traffic islands. This contributes to better flow and reduces the risk of accidents.
Frequently asked questions (FAQ) about the lane-use control left sign
- Does the sign apply to cyclists? Yes, all drivers must follow the sign unless there is a supplementary sign that exempts cyclists.

