The PA14b is a Portuguese additional panel that accompanies a main traffic sign to provide specific information. In this case, it informs drivers about the existence of a tunnel and its specific category, crucial for understanding potential restrictions or guidelines. Always interpret this panel in conjunction with the main sign it modifies, as it provides essential context for your driving decisions, particularly on routes with tunnels.
Mastering the PA14b additional panel is crucial for effective theory test revision, as it provides vital context about tunnels. This panel's explanation clarifies tunnel existence and category, directly impacting your driving decisions and adherence to traffic rules in Portugal.
PA14b - Painéis de informação diversa (Painéis de informação diversa) belongs to the Portuguese additional panels category in the Regulamento de Sinalização do Trânsito. Visually, this is a supplementary plate placed with a main sign; its position matters because it completes or limits that main sign instead of standing alone. The official wording is: Painéis de informação diversa: o modelo n.º 14 indica a possibilidade de ocorrência de determinadas circunstâncias de que é conveniente dar conhecimento ao utente, indicando o modelo n.º 14a a categoria do túnel quando está sujeito a restrições ao transporte de mercadorias perigosas e o modelo n.º 14b a existência de túnel e respetiva categoria. It must be read together with the main sign; alone it is incomplete, but together it can change distance, duration, direction, affected users, or exceptions. 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.
PA14b - Painéis de informação diversa (Painéis de informação diversa) means that the driver must understand and apply this official Portuguese instruction: Painéis de informação diversa: o modelo n.º 14 indica a possibilidade de ocorrência de determinadas circunstâncias de que é conveniente dar conhecimento ao utente, indicando o modelo n.º 14a a categoria do túnel quando está sujeito a restrições ao transporte de mercadorias perigosas e o modelo n.º 14b a existência de túnel e respetiva categoria. In practical terms, you should read the panel together with the main sign and apply the distance, extent, direction, time, vehicle class, exception, or condition shown on the panel.
Get clear, practical answers to the most common questions about the PA14b - PA14b - Painéis de informação diversa (Painéis de informação diversa) 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 PA14b panel is a supplementary traffic sign used in Portugal. When placed with a main sign, it specifically indicates the existence of a tunnel and denotes its category. This information helps drivers anticipate road conditions and comply with any tunnel-specific regulations.
You must always read the PA14b panel together with the main traffic sign it's associated with. The panel itself doesn't give a complete instruction; it modifies the meaning of the primary sign. For PA14b, it tells you that a tunnel is ahead and provides its category.
A common exam trap is failing to understand that the PA14b panel is supplementary. Learners might see it and assume it's a standalone warning or instruction. Remember, its meaning is derived from the combination of the panel and the main sign it's attached to. Ignoring the context of the main sign leads to incorrect answers.
The 'tunnel category' indicated by the PA14b panel usually relates to restrictions, particularly for vehicles transporting dangerous goods. Different categories may have specific rules regarding entry, speed, or lane usage. Always check the main sign for the specific action required in relation to the tunnel.
Yes, if the PA14b panel is placed with a speed limit sign, it could indicate that the speed limit applies only to a specific tunnel or section of road. For instance, a speed limit might be reduced only within the tunnel itself, and the PA14b panel would confirm the presence of that tunnel.
A clear reference image of the PA14b - PA14b - Painéis de informação diversa (Painéis de informação diversa) road sign used in Portugal.

The PA14b - PA14b - Painéis de informação diversa (Painéis de informação diversa) road sign may also be known by these alternative names or terms.
The PA14b - PA14b - Painéis de informação diversa (Painéis de informação diversa) road sign is part of the Additional Panels category, which groups together signs with similar rules and functions.
Reviewing related road signs, like different types of warning panels, sharpens your sign recognition and reduces confusion. This targeted approach to theory test revision helps you master traffic sign comparison and avoid common mistakes during your Portuguese driving test.

PA10a: The Additional Panel That Modifies Road Sign Instructions

PA10b: Understand and Apply Instructions on Additional Indicator Panels

PA10c Additional Panel: Modifying Main Signs for Electric Vehicles

PA10d Panel: Specific Instructions for Electric Vehicles While Charging

PA10e: Additional Panel indicating a specific application or exception for the main sign.

PA11a: This Additional Panel Specifies Which Vehicles a Sign Applies To

PA11b: This Additional Panel Specifies Which Vehicles the Main Sign Applies To

Understand Additional Panels: PA11c Applies Rules to Specific Vehicles
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