The D3b road sign, officially 'Obrigação de contornar a placa ou obstáculo', is a mandatory instruction in Portugal. It clearly indicates that you must navigate around the sign or an obstacle by following the direction shown by the arrow. This is a positive duty, meaning you must perform the action, not just be aware of it. Always position yourself early and follow the indicated route or lane without attempting an alternative manoeuvre.
Master the D3b sign, a crucial mandatory instruction requiring you to detour around a specific obstacle or sign as indicated. This sign interpretation is vital for your Portuguese theory test revision and understanding traffic rules for safe navigation.
D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) belongs to the Portuguese mandatory signs category in the Regulamento de Sinalização do Trânsito. It normally uses the blue mandatory style, meaning the driver must perform the indicated positive action rather than merely avoid something. The official wording is: obrigação de contornar a placa ou obstáculo: indicação da obrigação de contornar a placa ou obstáculo pelo lado indicado na seta inscrita no sinal. It creates a positive duty to follow the indicated route, direction, lane, track, equipment requirement, or road-user rule. For theory preparation, connect the sign to a concrete driving decision: where to look, when to slow, whether to stop or yield, which route or lane to choose, and whether any panel changes the scope of the rule. On the road, interpret it together with markings, traffic lights, police directions, temporary works signs, and any additional panel placed with it. A strong exam answer explains both recognition and behaviour: not only what the sign is called, but what a safe and lawful driver must do next.
D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) means that the driver must understand and apply this official Portuguese instruction: obrigação de contornar a placa ou obstáculo: indicação da obrigação de contornar a placa ou obstáculo pelo lado indicado na seta inscrita no sinal. In practical terms, you should position early and follow the indicated direction, route, lane, track, or road-user obligation without improvising a different movement.
Get clear, practical answers to the most common questions about the D3b - D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) 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 Portuguese driving theory exam in Portugal.
The D3b sign, 'Obrigação de contornar a placa ou obstáculo', means you are obligated to go around the sign or an obstacle. The arrow on the sign shows you which side you must pass it on. It's a mandatory sign requiring a specific action from the driver.
When you encounter the D3b sign, you must steer your vehicle to go around the indicated sign or obstacle, strictly following the direction shown by the arrow. You should anticipate this requirement and position your vehicle accordingly well in advance.
No, you cannot choose. The D3b sign explicitly states the obligation to go around the obstacle or sign, and the arrow clearly indicates the required direction. You must follow that specific direction.
A common exam trap is confusing this mandatory sign with an informational sign suggesting a route. Remember, D3b creates a positive obligation to manoeuvre around the obstacle as indicated. Failing to follow the arrow's direction would be a serious error in the exam and on the road.
No, the D3b sign does not mean you must stop. It is an instruction to navigate around something. You may need to slow down to safely follow the indicated path, but the primary meaning is about the direction of travel around the obstruction.
A clear reference image of the D3b - D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) road sign used in Portugal.
The D3b - D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) road sign may also be known by these alternative names or terms.
The D3b - D3b - Obrigação de contornar a placa ou obstáculo (Obrigação de contornar a placa ou obstáculo) road sign is part of the Mandatory Signs category, which groups together signs with similar rules and functions.
Reviewing similar road signs side-by-side helps solidify your understanding and improve sign recognition for the Portuguese theory test. This focused traffic sign comparison aids memory and reduces mistakes, making your exam preparation more effective.
D10: You Must Use Your Dipped Headlights (Médios)
D11a: Mandatory Lane for Goods Vehicles Ends Here
D11b: Mandatory Lane for Heavy Vehicles Ends Here
D11c: Mandatory Lane for Motorcycles Has Ended
D12: Fim da via reservada a veículos de transporte público - End of the bus lane ahead!
You've Reached the End of the Mandatory Cycle Path: D13a Sign
D13b: Mandatory Footpath for Pedestrians Ends Here
D13c: The Mandatory Lane for Horse Riders Has Ended
After reviewing the full list, explore signs by specific categories such as warning, regulatory, or informational to deepen your understanding. Practise recognizing signs in context and prepare effectively for your Portuguese driving licence theory test.
All Portuguese Road Signs List