The B9 sign in Belgium, also known as the 'Priority road' sign, indicates that you have priority over traffic from side roads. You must always be aware of this priority instruction as you approach intersections or narrow passages. Always pay attention to supplementary panels, road markings, and traffic lights, as they can modify the priority situation. Learners should identify this sign early to adjust their speed and behaviour appropriately.
Master the meaning of Belgian road sign B9, the Priority Road sign, crucial for passing your theory test. This explanation guides your interpretation to safely navigate junctions and prioritize correctly according to Belgian traffic rules.
Belgian road sign B9, titled "Priority road", belongs to the belgian priority signs group. It is used to communicate priority road in a form that drivers can recognise quickly during Belgian theory study and real traffic. The practical task is to identify who must go first, who must wait, and whether the priority changes after the junction or narrow passage, because the legal effect of a road sign starts from its placement and can be refined by panels, lane markings, traffic lights, or zone signs. For learners, the safest approach is to identify the sign early, say what road users or manoeuvres it affects, and then choose speed, position, and priority behaviour that match the displayed instruction.
Belgian road sign B9 means "Priority road". In practice, it tells drivers to apply the priority instruction before entering the conflict point, while checking the exact road layout, markings, and any supplementary panels before acting.
Get clear, practical answers to the most common questions about the B9 - Priority road 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 Belgian driving theory exam in Belgium.
The B9 sign means that you are on a road that has priority over intersecting roads. Drivers on side roads must yield to you. However, you must still drive cautiously and be prepared for other road users who might not yield correctly.
You have priority as indicated by the B9 sign, but this priority can be altered or cancelled by other traffic control devices like traffic lights, or by specific road layouts. Always check for supplementary panels attached to the sign, which might indicate changes to the priority rule or its duration.
A common mistake is assuming priority applies without checking for any supplementary panels or signs that might override it. Another is forgetting that 'priority from the right' rules are suspended when this sign is present, or failing to yield to pedestrians or cyclists who might still be crossing.
You must always read and understand the supplementary panel. It could indicate that the priority is only for a certain distance, in a specific direction, for certain vehicle types, or that the priority ends soon. Ignoring these panels is a common exam trap.
The priority granted by the B9 sign generally lasts until you reach the end of the priority road, or until another sign (like a 'priority ends' sign or a 'stop' sign) indicates otherwise. Always be observant of upcoming signs and road markings.
The B9 sign itself is solely about priority. It doesn't directly dictate your speed. However, you must be able to adjust your speed early enough to safely assess the priority situation and react accordingly, especially when entering junctions or narrow passages.
A clear reference image of the B9 - Priority road road sign used in Belgium.

The B9 - Priority road road sign may also be known by these alternative names or terms.
The B9 - Priority road road sign is part of the Belgian Priority Signs category, which groups together signs with similar rules and functions.
Sharpen your theory test revision by comparing the 'Priority road' (B9) sign with similar traffic signs. Understanding the distinctions between signs like B9 and other priority or warning signs improves sign recognition and reduces exam errors.

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After reviewing all Belgian road signs, deepen your understanding by exploring specific categories such as warning, regulatory, or prohibitory signs. Practice recognition with targeted quizzes to reinforce learning for a successful theory test.
All Belgian Road Signs List