The A11 'Warning for Flying Stones' road sign alerts you to a potential hazard where loose stones or gravel can be kicked up and damage vehicles. This often occurs during road works or on surfaces with loose chippings. To protect yourself and others, it's essential to reduce your speed and significantly increase your following distance. Avoid sudden acceleration which can worsen the spray of stones.
Learn the key details of the A11 - Warning for Flying Stones 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 warns of a risk of stone chips from loose gravel or debris being thrown up by passing vehicles. Stone impacts can damage windscreens, paintwork, and headlights, and the hazard increases when vehicles drive too close at speed. Reduce speed, increase following distance, and avoid hard acceleration that sprays gravel. The sign is generally not used on gravel roads where stone chips are common; instead it highlights unusual or temporary conditions such as resurfacing or loose chippings on an otherwise paved road. Be cautious when meeting large vehicles, which can throw stones with greater force.
There is a risk of stones being thrown up and damaging vehicles. Keep distance.
Get clear, practical answers to the most common questions about the A11 - Warning for Flying Stones 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 A11 sign means there's a risk of stones being thrown up from the road surface, which can cause damage to vehicles like windscreens and paintwork. It's a warning to be extra careful about speed and distance.
When you see the A11 sign, the best course of action is to reduce your speed and increase the distance between your vehicle and the one in front. This minimises the chance of stone chips damaging your car and reduces the force if a stone is thrown.
Keeping a greater distance is crucial because the risk of flying stones increases with speed and proximity. A larger gap allows more time to react and reduces the likelihood of a stone being propelled directly at your vehicle from a nearby car.
Yes, you should avoid tailgating, especially on sections with loose surfaces. Also, refrain from accelerating hard, as this action can kick up more stones and create a hazard for other road users. Overtaking closely should also be avoided.
This sign is usually placed where there's an unusual or temporary risk of stone chips, such as during road resurfacing work or on specific paved sections that have loose chippings. It's not typically used on standard gravel roads where such hazards are expected.
Absolutely. Motorcyclists and cyclists are particularly vulnerable to flying stones and debris. Drivers seeing the A11 sign should be extra considerate and maintain a safe distance, as damage or injury can easily occur to these road users.
A clear reference image of the A11 - Warning for Flying Stones road sign used in Sweden.

The A11 - Warning for Flying Stones road sign may also be known by these alternative names or terms.
The A11 - Warning for Flying Stones road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.