Information signs
What do information signs look like?

Heavy-vehicle lane
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Is the heavy-vehicle lane sign important for the class B theory test and the driving test?
Yes, the heavy-vehicle lane sign is important both for the class B theory test and during the driving test. You must be able to recognize the sign, understand which rules apply, and show that you do not drive in the wrong lane.
What does the heavy-vehicle lane sign mean?
The heavy-vehicle lane sign indicates that the lane is only for motor vehicles with a permitted gross weight higher than the one shown on the sign. The lane applies until you encounter an end-of-heavy-vehicle-lane sign or the next intersection.
Where do you find the heavy-vehicle lane sign?
This sign is often used on:
- Motorways and express roads – to direct heavy vehicles to a dedicated lane and avoid congestion.
- Steep hills – so that heavy vehicles get their own lane uphill.
- Major arterial roads – to separate heavy transport from other traffic.
In the image you can see the heavy-vehicle lane sign at the start of a dedicated lane for heavy trucks. The weight limit is shown above the truck symbol.

What happens if light vehicles use the heavy-vehicle lane?
If light vehicles drive in a lane marked with the heavy-vehicle lane sign, you can receive a fine, demerit points, and create dangerous situations for heavy vehicles that lose a clear path.
Why is the heavy-vehicle lane sign important?
The heavy-vehicle lane sign contributes to better traffic flow and increased safety by separating heavy vehicles from other traffic. It reduces congestion and accidents, and makes driving easier to plan.
Frequently asked questions (FAQ) about the heavy-vehicle lane sign
- Does the weight indication include trailers? – Yes, the permitted gross weight on the heavy-vehicle lane sign includes both the vehicle and any trailers.
- When does the heavy-vehicle lane sign stop applying? – The lane is reserved until you see an end-of-heavy-vehicle-lane sign or until the next intersection.
- Does the heavy-vehicle lane sign apply to all lanes? – No, it only applies to the lane that is marked, usually the right lane.

