The A30 sign alerts you that a roundabout is approaching. As this is a warning sign, it's crucial to reduce your speed, observe traffic already in the roundabout, and be ready to follow the specific priority rules indicated by signs or markings at the entrance. This sign helps you prepare for the change in road layout and traffic flow, ensuring a safer approach and entry into the circular junction.
Learn the key details of the A30 - Warning for Roundabout 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 warning sign indicates that a roundabout is approaching. Roundabouts require drivers to reduce speed, choose the correct lane, and yield according to the applicable priority rules and signs at the entry. You should scan for traffic already circulating, cyclists or pedestrians near crossings, and vehicles changing lanes. Use indicators appropriately when exiting, and maintain a smooth, steady speed to reduce conflict. In winter or wet conditions, roundabout entries and exits can be slippery, so avoid harsh braking or acceleration.
A roundabout is ahead. Prepare to slow down and follow roundabout priority rules.
Get clear, practical answers to the most common questions about the A30 - Warning for Roundabout 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 A30 sign is a warning sign indicating that you are approaching a roundabout. It tells drivers to prepare to slow down, check for traffic already in the roundabout, and be aware of upcoming priority rules at the entry point. You should anticipate a change in traffic direction and flow.
Upon seeing the A30 sign, you should start slowing down your vehicle. You need to assess the traffic situation and be ready to yield to vehicles already in the roundabout if required by the signs or markings at the roundabout's entrance. Early lane selection is also important.
No, the A30 sign is purely a warning that a roundabout is ahead. It does not, by itself, establish priority rules. You must look for other signs, such as 'Yield' (V1) or 'Stop' (B1), and road markings at the actual entrance to the roundabout to determine who has priority.
A common trap is assuming the A30 sign dictates priority; it doesn't. Learners might also forget to slow down sufficiently or fail to check for other traffic or cyclists before entering. Remembering to use your indicator when exiting is also vital.
Yes, after seeing the A30 sign and approaching the roundabout, you must always yield to traffic already circulating within the roundabout, unless specific signs or markings indicate otherwise. Choosing the correct lane well in advance and signalling appropriately when exiting are also key.
When exiting the roundabout, even after seeing the A30 warning sign, you must always signal your intention to exit. It's also crucial to check for pedestrians and cyclists, especially at marked crossings, and be aware of other vehicles that might be changing lanes within the roundabout.
A clear reference image of the A30 - Warning for Roundabout road sign used in Sweden.

The A30 - Warning for Roundabout road sign may also be known by these alternative names or terms.
The A30 - Warning for Roundabout road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.