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Dutch Road Signs and Traffic Sign Meanings

What does the F21 Lorry Lane sign mean for your driving theory test?

F21 - Lorry Lane / Carriageway Only Dutch road sign meaning

The F21 sign indicates a lane or carriageway exclusively reserved for lorries (heavy goods vehicles). This traffic sign helps to streamline traffic flow by separating larger vehicles from lighter traffic. As a car or motorcycle driver, you are generally not allowed in this lane unless specific accompanying signs permit it, so always pay attention to additional plates.

About the F21 - Lorry Lane / Carriageway Only road sign

Learn the key details of the F21 - Lorry Lane / Carriageway Only road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in the Netherlands. Use this overview to understand the sign clearly and recognise it confidently during the Dutch driving theory exam.

Definition of F21

The lorry lane only sign designates a traffic lane intended solely for heavy goods vehicles above the weight threshold defined in Dutch regulations. It is commonly used on busy roads, approaches to junctions, or near logistics areas, where separating lorries supports smoother flow. Cars, motorcycles, and other light vehicles must not drive, stop, or park in this lane except where explicit exceptions are indicated.

Meaning of F21

This sign indicates a lane or carriageway reserved exclusively for lorries. It keeps heavy goods vehicles together in one lane to improve predictability and reduce interference with lighter traffic. Other motor vehicles may not use this lane unless a supplementary sign clearly authorizes them, for example for local access or specific turning movements.

Allowed actions for F21

Drive lorries within the designated laneMaintain appropriate spacing between heavy vehiclesLeave the lane only at permitted points or where requiredFollow any time-related conditions stated on supplementary signsUse the lane to approach exits or junctions intended for freight traffic

Prohibited actions for F21

Use the lorry lane with cars, motorcycles, or other light vehiclesOvertake within the lane if this conflicts with markings or rulesStop or park in the lane except in an emergencyBlock access for other lorries that must use the laneIgnore a requirement to remain in the lane over a given distance

F21 - Lorry Lane / Carriageway Only road sign FAQ

Get clear, practical answers to the most common questions about the F21 - Lorry Lane / Carriageway Only road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the Dutch driving theory exam in the Netherlands.

What is the main purpose of the F21 Lorry Lane sign?

The F21 sign reserves a specific lane or carriageway solely for lorries (HGVs). Its primary purpose is to improve traffic efficiency and safety by managing the movement of large vehicles separately from smaller ones, especially on busy roads.

Can I drive my car in a lane marked with the F21 sign?

No, unless there is an accompanying sign that explicitly allows other vehicles or specifies certain times. The F21 sign designates the lane exclusively for lorries. Driving your car or motorcycle in this lane when it's reserved for lorries is prohibited and can lead to fines or penalty points.

What should I do if I see the F21 sign and there's a time restriction plate?

Always check for accompanying signs beneath the F21. If a time plate is present, it means the lane is only reserved for lorries during those specific hours. Outside of those hours, other vehicles might be permitted to use the lane, but adhere strictly to the times indicated on the sub-sign.

Are there any other exceptions to the F21 lorry lane rule?

Generally, the F21 sign is a strict designation for lorries. However, accompanying signs can provide exceptions. For instance, a sign might indicate that only specific types of lorries or vehicles are allowed, or that other vehicles can use the lane under certain conditions or outside of peak hours.

Is the F21 'Lorry Lane' sign common in the Netherlands?

Yes, the F21 sign is used in the Netherlands and other countries to manage traffic flow. It's important for all drivers to understand its meaning, especially during the theory exam, as it dictates specific lane usage rules for different vehicle types.

F21 - Lorry Lane / Carriageway Only road sign image

A clear reference image of the F21 - Lorry Lane / Carriageway Only road sign used in the Netherlands.

F21 - Lorry Lane / Carriageway Only road sign

Other names for the F21 - Lorry Lane / Carriageway Only

The F21 - Lorry Lane / Carriageway Only road sign may also be known by these alternative names or terms.

HGV only laneTruck laneLorry carriageway

Overtaking & Lane Directives (F) road sign category

The F21 - Lorry Lane / Carriageway Only road sign is part of the Overtaking & Lane Directives (F) category, which groups together signs with similar rules and functions.

Dive into Dutch road sign knowledge

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