The A22 is a crucial warning sign indicating that traffic lights are approaching. You should reduce your speed and be prepared to stop, especially when approaching junctions or areas with limited visibility where signals might be unexpected. Always obey the traffic signal indications and maintain a safe distance from the vehicle in front to avoid accidents, particularly if a queue forms.
Learn the key details of the A22 - Warning for Traffic Lights 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 location where traffic is controlled by multi-aspect traffic lights with three light openings. It is used to draw attention to signals that may be unexpected, particularly outside built-up areas or where visibility is limited. You should reduce speed, look for the signal heads early, and be prepared for a red or changing signal. Signal-controlled junctions can create queues and sudden stops, especially when the view is blocked by a curve, crest, or roadside objects. Keep a safe following distance to avoid rear-end collisions.
Traffic lights are ahead. Be ready to stop.
Get clear, practical answers to the most common questions about the A22 - Warning for Traffic Lights 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 A22 sign is a warning that traffic lights are ahead. It's designed to alert you to a signal-controlled junction or crossing, prompting you to slow down and prepare to stop.
Upon seeing the A22 sign, you should immediately prepare to stop. This means reducing your speed, scanning the road ahead for the traffic light signals, and being ready to brake smoothly at the stop line if the lights are red or about to change.
This sign is important because traffic lights can cause sudden stops and queues, especially around bends or over crests where visibility is reduced. It reminds drivers to be vigilant and maintain a safe following distance to prevent rear-end collisions.
Yes, you should not try to speed up to 'beat' a changing signal, nor should you follow the vehicle in front too closely. Ignoring the possibility of a queue, especially after a bend or crest, is also dangerous and prohibited. Always obey the signals.
No, the A22 sign itself doesn't mean you must stop, but it warns you that traffic lights are ahead, and you *might* need to stop if the signal is red or turning red. It’s a precautionary warning to be ready to stop.
Outside built-up areas, the A22 sign is used to warn drivers of upcoming traffic lights, which might be less expected than within a city. It’s particularly useful where visibility is limited due to road features like curves or hills, ensuring drivers are prepared.
A clear reference image of the A22 - Warning for Traffic Lights road sign used in Sweden.

The A22 - Warning for Traffic Lights road sign may also be known by these alternative names or terms.
The A22 - Warning for Traffic Lights road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.