This A12 'Warning for Rockfall' traffic sign alerts you to a section of road ahead where there is a risk of falling rocks and stones. The symbol visually represents the local terrain and potential direction of falling debris. You must reduce your speed, scan the road surface and verges for any scattered rocks, and be prepared for unexpected obstacles, especially after adverse weather. Ignoring this warning could lead to dangerous situations and loss of vehicle control.
Learn the key details of the A12 - Warning for Rockfall 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 a section where rockfall may occur and where rocks may be present on the roadway as a result. The pictogram is adapted to the local terrain and can show the likely direction of falling material. Reduce speed and scan the road surface and verge for debris, especially after heavy rain, frost-thaw cycles, or strong winds. Avoid stopping in the hazard area unless absolutely necessary, and be cautious around bends where rocks may not be visible until late. Keep control and be ready to brake smoothly if an obstacle appears.
There is a risk of falling rocks and stones on the road ahead. The symbol reflects local conditions.
Get clear, practical answers to the most common questions about the A12 - Warning for Rockfall 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 A12 sign is a warning sign indicating that there's a risk of rocks or stones falling onto the road ahead. The pictogram is specific to the area and may show the likely direction of falling material. It's crucial to treat this as a serious hazard.
When you see the A12 sign, you must reduce your speed significantly. Scan the road surface and the sides of the road for any debris. Be extra vigilant, especially in areas prone to rockfalls, and be ready to react to sudden obstacles or changes in the road condition.
Yes, the risk of rockfall can increase seasonally, particularly after heavy rain, during frost-thaw cycles, or after strong winds. Always be more cautious when encountering the A12 sign during or after such weather conditions, as the likelihood of debris on the road increases.
A common trap is underestimating the danger of small stones, which can still cause loss of control. Another is failing to reduce speed sufficiently or not actively scanning for debris. The theory exam might test your understanding that this sign requires proactive hazard perception and immediate speed adjustment.
While the primary advice is to pass through efficiently and safely, stopping is generally discouraged unless absolutely necessary due to an obstruction or an emergency. Unnecessary stopping within the hazard zone increases your risk and could impede other drivers who are navigating the area.
A clear reference image of the A12 - Warning for Rockfall road sign used in Sweden.

The A12 - Warning for Rockfall road sign may also be known by these alternative names or terms.
The A12 - Warning for Rockfall road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.