The D15 road sign in Portugal, officially meaning 'Fim da obrigação de utilizar correntes de neve' (End of obligation to use snow chains), indicates where the mandatory requirement to use snow chains, imposed by sign D9, ceases. This blue mandatory sign signifies the end of a specific driving obligation. You should continue on the indicated route or follow any remaining instructions until a different sign or traffic layout supersedes it. Understanding this sign is crucial for safe driving in mountainous or wintery conditions and for passing your theory test.
This crucial D15 sign indicates where the requirement to use snow chains concludes, allowing you to safely remove them. Understanding this road sign meaning is vital for your theory test revision and safe driving.
D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) 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: fim da obrigação de utilizar correntes de neve: indicação do local a partir do qual termina a obrigação imposta pelo sinal D9. 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.
D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) means that the driver must understand and apply this official Portuguese instruction: fim da obrigação de utilizar correntes de neve: indicação do local a partir do qual termina a obrigação imposta pelo sinal D9. 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 D15 - D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) 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 D15 sign signifies the exact point where you are no longer legally required to use snow chains on your vehicle. It marks the end of the obligation previously indicated by the D9 sign.
Upon seeing the D15 sign, drivers are permitted to remove their snow chains. You should continue following the indicated direction or route as usual, unless another sign or traffic situation directs otherwise.
The D15 is a mandatory sign, indicated by its blue colour. It doesn't prohibit an action but rather signals the end of a previous obligation. It implies that the conditions requiring snow chains are no longer present.
While you can technically continue driving with snow chains, it is generally not recommended. Driving with snow chains on clear roads can damage your tires, the road surface, and affect vehicle handling. The D15 sign clearly indicates that they are no longer necessary.
A common exam trap is confusing the D15 with signs that indicate the *start* of a mandatory requirement or with warning signs. Learners might also incorrectly assume they *must* remove chains immediately, rather than understanding that the obligation has simply ended at that point.
A clear reference image of the D15 - D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) road sign used in Portugal.

The D15 - D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) road sign may also be known by these alternative names or terms.
The D15 - D15 - Fim da obrigação de utilizar correntes de neve (Fim da obrigação de utilizar correntes de neve) road sign is part of the Mandatory Signs category, which groups together signs with similar rules and functions.
Reviewing related road signs like the D15 helps distinguish between similar symbols, improving sign recognition and reducing exam errors. This traffic sign comparison is key for effective theory test revision and building confident driving knowledge.

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
Deepen your understanding of these specific signals through curated theory topics and official IMT exam practice sets. Mastering these road signs ensures you can confidently navigate real-world traffic scenarios and pass your Portuguese theory test.
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As a Portuguese driver, understanding shock after an accident is critical for both your theory exam and real-world safety. This article details the signs of shock, its common causes on Portuguese roads, and the immediate first-aid steps you must take. Mastering this knowledge ensures you are prepared to act decisively and correctly in an emergency, directly aiding your preparation for the IMT theory test.
D12 - Fim da via reservada a veículos de transporte público (Fim da via reservada a veículos de transporte público) 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: fim da via reservada a veículos de transporte público: indicação de que terminou a via reservada à circulação de veículos de transporte público regular de passageiros e automóveis de praça de letra A ou taxímetro, veículos prioritários e de polícia. 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.
D17 - Fim da via reservada a veículos com alta taxa de ocupação (Fim da via reservada a veículos com alta taxa de ocupação) 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: Fim da via reservada a veículos com alta taxa de ocupação: indicação de que terminou a via reservada a veículos com alta taxa de ocupação. Artigo 28.º [..]. 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.
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