The ST2 road sign, officially known in Portugal as 'Supressão de via de trânsito', indicates that a traffic lane is being closed or diverted. When you see this sign, it's crucial to reduce your speed and follow the temporary route indicated, as lane configurations, priorities, or road conditions will be different from normal. This sign belongs to the temporary vertical signs category, often seen around road works or incidents, guiding traffic safely through altered layouts.
This sign indicates a temporary lane closure or diversion, requiring drivers to adjust their route and be aware of altered road conditions. Mastering this road sign meaning is crucial for your theory test revision and safe driving in Portugal.
ST2 - Supressão de via de trânsito (Supressão de via de trânsito) belongs to the Portuguese temporary vertical signs category in the Regulamento de Sinalização do Trânsito. Visually, this belongs to the temporary-road-signing environment, where yellow signs, movable equipment, barriers, cones, beacons, or alignment devices guide traffic around works, closures, obstacles, and temporary hazards. The official wording is: supressão de via de trânsito. It reflects the current temporary layout and must be treated as the active instruction where works, incidents, closures, or obstacles change normal conditions. 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.
ST2 - Supressão de via de trânsito (Supressão de via de trânsito) means that the driver must understand and apply this official Portuguese instruction: supressão de via de trânsito. In practical terms, you should slow down, follow the temporary channel or instruction, and expect lanes, priorities, workers, obstacles, or carriageway limits to differ from normal.
Get clear, practical answers to the most common questions about the ST2 - ST2 - Supressão de via de trânsito (Supressão de via de trânsito) 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 ST2 sign means that a traffic lane ahead is closed or being removed. You must pay close attention to temporary traffic management systems like cones or barriers and follow the indicated alternative route or lane. It signals a change in the normal road layout due to temporary conditions.
Upon seeing the ST2 sign, you must slow down, increase your awareness, and be prepared to follow a different lane or path than you might expect. Always adhere to any temporary markings, signals, or directions from traffic controllers, and maintain a safe distance from workers, machinery, or obstacles.
For the theory exam, understanding the ST2 sign means recognising it as an instruction to adapt your driving. You need to know that temporary layouts take precedence over permanent ones. Expect questions about slowing down, choosing the correct lane when one disappears, and the importance of following temporary instructions.
You should only drive in areas that are explicitly shown as the temporary route or allowed lane. Driving into areas marked by cones, barriers, or other temporary closures is prohibited. The ST2 sign requires you to follow the modified path, not to assume the original road layout is still in effect.
No, the ST2 sign specifically indicates a temporary closure or diversion of a traffic lane, often due to road works, accidents, or other incidents. It's part of temporary road signing, which aims to guide traffic safely around these temporary situations. Always treat temporary signs as the current, active instruction.
A clear reference image of the ST2 - ST2 - Supressão de via de trânsito (Supressão de via de trânsito) road sign used in Portugal.

The ST2 - ST2 - Supressão de via de trânsito (Supressão de via de trânsito) road sign may also be known by these alternative names or terms.
The ST2 - ST2 - Supressão de via de trânsito (Supressão de via de trânsito) road sign is part of the Temporary Vertical Signs category, which groups together signs with similar rules and functions.
Master Portuguese traffic rules by comparing signs like ST2 - Supressão de via de trânsito with similar ones. This traffic sign comparison aids recognition and reduces errors, crucial for theory test revision and safe driving.

ST10 Circulação Alternada: Navigating Temporary Traffic Flow

ST11 Trânsito sujeito a demora: Prepare for Delays and Temporary Road Changes

ST12: Understand the Emergency Telephone Sign for Temporary Traffic Management

ST13 Accident Sign: Navigate Safely Around Incident Sites

ST14 Fim de Obras: End of Temporary Roadworks Zone Sign

ST1a: Understand the Number and Direction of Traffic Lanes

ST1b: Follow Temporary Lane Numbers and Directions

ST1c: Follow the Temporary Lane Number and Direction Instructions
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