Logo
Swedish Road Signs and Traffic Sign Meanings

Prepare for a Roundabout Ahead with the A30 Warning Sign

A30 - Warning for Roundabout Swedish road sign meaning

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.

About the A30 - Warning for Roundabout road sign

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.

Definition of A30

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.

Meaning of A30

A roundabout is ahead. Prepare to slow down and follow roundabout priority rules.

Allowed actions for A30

Slow down and select the correct lane earlyYield to circulating traffic when requiredSignal when exitingDrive smoothly and maintain safe spacing

Prohibited actions for A30

Entering at too high a speedChanging lanes suddenly inside the roundaboutFailing to yield when required at the entryExiting without checking for cyclists or pedestrians

A30 - Warning for Roundabout road sign FAQ

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.

What does the A30 'Warning for Roundabout' sign mean?

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.

What action should I take when I see the A30 sign?

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.

Does the A30 sign itself determine priority at the roundabout?

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.

What are common mistakes learners make regarding the A30 sign in the theory test?

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.

Are there specific rules for entering a roundabout after seeing the A30 sign?

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.

What should I pay attention to when exiting the roundabout after passing the A30 sign?

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.

A30 - Warning for Roundabout road sign image

A clear reference image of the A30 - Warning for Roundabout road sign used in Sweden.

A30 - Warning for Roundabout road sign

Other names for the A30 - Warning for Roundabout

The A30 - Warning for Roundabout road sign may also be known by these alternative names or terms.

Traffic circle aheadRoundabout warningCircular junctionRotary ahead

Warning Signs (A) road sign category

The A30 - Warning for Roundabout road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.

Dive into Swedish road sign knowledge

Swedish Moped Theory AM courseSwedish Driving Theory B courseSwedish Motorcycle Theory A courseSymbols (S) Swedish road sign categoryA17 Warning for Skiers Swedish road signA26 Warning for Tunnel Swedish road signA19 Warning for Animals Swedish road signA12 Warning for Rockfall Swedish road signA15 Warning for Children Swedish road signA20 Warning for Roadworks Swedish road signRoad Markings (M) Swedish road sign categoryWarning Signs (A) Swedish road sign categoryA24 Warning for Crosswinds Swedish road signA30 Warning for Roundabout Swedish road signA14 Warning for Pedestrians Swedish road signMandatory Signs (D) Swedish road sign categoryTraffic Signals (L) Swedish road sign categoryA18 Warning for Horse Riders Swedish road signA21 End of Roadworks Section Swedish road signA3 Warning for Steep Descent Swedish road signA10 Warning for Slippery Road Swedish road signA11 Warning for Flying Stones Swedish road signDirectional Signs (E) Swedish road sign categoryInformation Signs (J) Swedish road sign categoryProhibitory Signs (C) Swedish road sign categoryA1 Warning for Dangerous Curve Swedish road signA22 Warning for Traffic Lights Swedish road signLocalisation Signs (F) Swedish road sign categoryOther Road Devices (X) Swedish road sign categoryA25 Warning for Oncoming Traffic Swedish road signSupplementary Plates (T) Swedish road sign categoryA28 Warning for Road Intersection Swedish road signA13 Warning for Pedestrian Crossing Swedish road signA23 Warning for Low-Flying Aircraft Swedish road signYield and Priority Signs (B) Swedish road sign categorySignals by Police Officer (P) Swedish road sign categoryA2 Warning for Several Dangerous Curves Swedish road signA16 Warning for Cyclists and Moped Riders Swedish road signA27 Warning for Weak Road Edge or High Road Edge Swedish road signA29 Warning for Intersection Where Side Road Traffic Must Yield or Stop Swedish road sign