The A21 road sign in France, often translated as 'Cyclists', is a warning sign alerting you to the potential presence of cyclists on or near the road ahead. It serves as an early cue to adjust your driving, such as reducing speed and increasing observation, to safely share the road. This sign is part of France's system of warning signs designed to prepare drivers for unexpected hazards.
The A21 'Cyclists' warning sign is crucial for French theory test revision, indicating cyclists may share or cross the road ahead. This traffic sign explanation prepares you to adjust speed and awareness for shared road environments.
This French warning sign is used before a hazard or road feature that could require an earlier response than the driver would otherwise make. It should trigger mirror checks, smoother speed control, wider observation, and extra following distance before the hazard is reached. The exact response depends on the location, traffic level, road surface, weather, and whether pedestrians, cyclists, animals, or crossing traffic may be present. Official French sign code: A21.
"Cyclists" warns drivers that cyclists may affect the road ahead. It gives time to reduce speed if needed, scan further ahead and to the sides, and prepare for a change in grip, visibility, priority, road width, or stopping distance.
Get clear, practical answers to the most common questions about the A21 - Cyclists 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 French driving theory exam in France.
The A21 sign warns drivers that cyclists may be present on the road ahead. Its purpose is to give you time to prepare by slowing down, increasing your observation, and being ready to adjust your driving to safely share the road with cyclists.
When you see the A21 sign, you should anticipate cyclists. This means checking your mirrors, easing off the accelerator, and increasing your following distance. Be prepared to slow down further or change your road position if necessary to allow cyclists safe passage.
No, the A21 sign is a warning, not an absolute prohibition. It means cyclists *may* be present. You must be prepared to yield or stop if they are on the road and it's unsafe to proceed without giving them space. Your exact reaction depends on visibility, road width, and the cyclist's behaviour.
A common trap is to ignore the sign if you don't immediately see cyclists. The A21 is an early warning, meaning cyclists might appear around a bend or over a crest. Another trap is to overtake too closely or too quickly when cyclists are eventually seen, which is dangerous and often tested.
Yes, supplementary plates can be used with the A21 sign. These plates can specify the distance to the hazard, the length of the area where cyclists are expected, or the direction. Always pay attention to any plates accompanying the main sign.
A clear reference image of the A21 - Cyclists road sign used in France.

The A21 - Cyclists road sign may also be known by these alternative names or terms.
The A21 - Cyclists road sign is part of the France Warning Signs category, which groups together signs with similar rules and functions.
Strengthen your French theory test preparation by reviewing similar road signs. Comparing them helps improve sign recognition and recall, reducing errors in traffic sign identification.

Warning: Children Crossing Ahead – Prepare to slow down and be vigilant!

Prepare for Pedestrians: The A13b 'Pedestrian Crossing Ahead' Warning Sign

Prepare for cattle on the road with the French A15a warning sign.

Watch out for Sheep: Understanding the A15a Warning Sign in France

Watch out for horses: Understand the 'Equestrians' warning sign (A15c).

Steep Hill Downwards: Prepare for a significant descent ahead.
Now that you've reviewed the full list of French road signs, enhance your understanding. Explore signs grouped by specific categories for deeper insights, test your recognition with practice questions, and solidify your knowledge for the Code de la route exam.
Browse All French Road Signs