This C6 prohibitory road sign in Portugal indicates that vehicles with a total weight exceeding the specified limit are not allowed to proceed. As a driver, you must understand and apply this instruction by choosing an alternative route if your vehicle’s weight surpasses the limit indicated on the sign. This sign is part of the regulatory signs category, typically marked with a red border, signifying a mandatory restriction.
Master the C6 prohibitory road sign, essential for your Portuguese driving theory test revision. This guide explains the specific weight limits it enforces, helping you make correct decisions on the road and ensuring you understand this crucial traffic sign explanation for safe travel.
C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) belongs to the Portuguese prohibitory signs category in the Regulamento de Sinalização do Trânsito. It normally uses the red-bordered regulatory style associated with restrictions, limits, bans, or cancellation of a previous restriction. The official wording is: trânsito proibido a veículos de peso total superior a .. t: indicação de acesso interdito a veículos ou conjunto de veículos com peso total superior ao indicado no sinal. It creates a binding restriction from the point where it applies and normally continues until it is ended, replaced, or limited. 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.
C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) means that the driver must understand and apply this official Portuguese instruction: trânsito proibido a veículos de peso total superior a .. t: indicação de acesso interdito a veículos ou conjunto de veículos com peso total superior ao indicado no sinal. In practical terms, you should not enter or use the road with the vehicle or road-user category covered by the prohibition, and choose a lawful alternative route.
Get clear, practical answers to the most common questions about the C6 - C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) 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 C6 road sign, officially 'Trânsito proibido a veículos de peso total superior a .. t', means that access is forbidden for vehicles or vehicle combinations whose total weight exceeds the value shown on the sign. You must not enter the road if your vehicle is heavier than the limit.
If your vehicle's total weight exceeds the limit displayed on the C6 sign, you must not proceed past it. Instead, you should look for and take a lawful alternative route that allows your vehicle.
The C6 sign applies specifically to vehicles or combinations of vehicles whose total weight is greater than the limit indicated. If your vehicle's weight is at or below the specified limit, you are permitted to proceed, provided no other restrictions apply.
Generally, the restriction is absolute for vehicles exceeding the weight limit. However, always pay attention to any additional panels placed below the C6 sign, as these might specify exceptions, define the exact scope of the prohibition, or indicate when the restriction ends.
A common exam trap is confusing the C6 sign with other weight-related signs or not paying close enough attention to the exact weight limit displayed. Learners might also forget that this is a mandatory prohibition, not a suggestion, and that ignoring it can lead to significant penalties.
A clear reference image of the C6 - C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) road sign used in Portugal.

The C6 - C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) road sign may also be known by these alternative names or terms.
The C6 - C6 - Trânsito proibido a veículos de peso total superior a .. t (Trânsito proibido a veículos de peso total superior a .. t) road sign is part of the Prohibitory Signs category, which groups together signs with similar rules and functions.
Master your theory test revision by comparing similar road signs. Understanding the subtle differences between related signs like this C6 weight restriction and others in the prohibitory category improves sign recognition and reduces exam mistakes.

Understand the C1 'Sentido Proibido' (No Entry) Road Sign

C10: Maintain Minimum Distance from Vehicle Ahead

No Right Turn Ahead: Understanding Portugal's C11a Prohibition Sign

Understand the C11b 'No Left Turn' Road Sign in Portugal

C12 Sign: No U-Turns Allowed Ahead

Obey the Maximum Speed Limit Indicated by the C13 Sign

The C14a 'No Overtaking' Sign Means You Must Not Overtake Most Vehicles
Learn the C14b Road Sign: No Overtaking for Heavy 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