The D4 Mandatory Cycle Path sign indicates a dedicated route exclusively for bicycles. While primarily for cyclists, a supplementary plate might permit moped class II. As a driver, you must not use this path for motor vehicles, parking, or stopping unless specifically allowed. Understanding this sign is crucial for sharing the road safely with cyclists and for your Swedish driving licence theory exam.
Learn the key details of the D4 - Mandatory Cycle Path road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
This sign marks a cycle path that is intended primarily for bicycle traffic. It is a mandatory designation, meaning the area is reserved for the traffic type shown, and other types of traffic are generally not permitted unless indicated otherwise. In Swedish signage practice, additional plates can clarify special permissions or restrictions, such as whether moped class II may use the path. On the road, it is used to separate cyclists from motor traffic and improve safety and predictability for all road users.
This is a designated path for cyclists. A supplementary plate may specify whether moped class II is allowed or not.
Get clear, practical answers to the most common questions about the D4 - Mandatory Cycle Path 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 Swedish driving theory exam in Sweden.
The D4 sign means the path ahead is a mandatory cycle path. It is reserved for bicycle traffic, and other vehicles are generally prohibited from using it to ensure cyclist safety and smooth traffic flow.
No, you cannot drive a motor vehicle on a mandatory cycle path. This area is exclusively for cyclists, and using it with a car or other motor vehicle is prohibited and dangerous.
Generally, moped class II is not allowed on a mandatory cycle path. However, a supplementary plate below the D4 sign might specify if they are permitted. Always check for such plates and obey their instructions.
As a general rule, parking or stopping on a mandatory cycle path is prohibited. Only if there is explicit signage or instructions permitting it would you be allowed to stop there, which is very rare.
Learners might incorrectly assume that any path next to the road is a cycle path they can use, or that moped class II is always allowed. The key is remembering it's mandatory for cyclists and restricted for others, unless a supplementary plate states otherwise.
When approaching a mandatory cycle path, be aware of cyclists using it. You must not obstruct them, drive on it, or park on it. Yield to cyclists when crossing their path, for example, at junctions or driveways.
A clear reference image of the D4 - Mandatory Cycle Path road sign used in Sweden.

The D4 - Mandatory Cycle Path road sign may also be known by these alternative names or terms.
The D4 - Mandatory Cycle Path road sign is part of the Mandatory Signs (D) category, which groups together signs with similar rules and functions.