This 1.05 'Slippery road' sign is an important advance warning traffic sign used in Switzerland. It alerts you to a potential hazard ahead, giving you ample time to react. You should reduce your speed, increase your following distance, and widen your observation before reaching the actual slippery section to maintain control and ensure safety. This sign is crucial for anticipating and managing changes in road surface conditions.
This crucial warning sign (1.05) alerts you to potential slippery road conditions, requiring you to adjust speed and increase observation distance for safe driving. Mastering road sign meaning and traffic sign explanation is vital for your Swiss theory test revision.
This warning sign is used as an early planning cue, not as a last-second prompt. On Swiss roads it appears before the relevant hazard so the driver can adjust speed, following distance, lane position, and observation before the situation becomes demanding. In theory training, the expected answer should connect the sign with a concrete behaviour change: anticipate the hazard, keep control, and avoid overtaking or sudden manoeuvres where the warning reduces the safety margin. Official catalogue code: 1.05.
The "Slippery road" sign is an advance hazard warning. It gives the driver time to lower speed if needed, widen observation, and prepare for the signed hazard before reaching the danger point. Catalogue code 1.05.
Get clear, practical answers to the most common questions about the 1.05 - Slippery road 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 Swiss driving theory exam in Switzerland.
The 1.05 'Slippery road' sign is a warning sign indicating that the road surface ahead may have reduced grip. This could be due to rain, ice, snow, oil, or other substances. It's an advance warning to prepare for potentially hazardous driving conditions.
Upon seeing the 1.05 sign, you should immediately assess the situation and prepare to reduce your speed. Increase your following distance from the vehicle ahead and ensure your observation is thorough. Avoid overtaking or making sudden manoeuvres where the reduced grip could compromise your control.
This sign is placed in advance of the hazard, not right before it. This gives you time to adjust your driving behaviour accordingly. It's designed as an early planning cue to manage speed, lane position, and observation well before you encounter the slippery conditions.
A common exam trap is not connecting the sign with a concrete action. Learners might simply acknowledge the sign without actually slowing down or increasing their following distance. The theory test expects you to demonstrate that you understand the need to change your driving behaviour to anticipate and manage the reduced grip.
The sign warns of a *potential* for slipperiness. While it indicates a hazard ahead, the actual conditions can vary. You must always interpret the sign in conjunction with current weather, road surface conditions, and any supplementary panels that might provide more specific information, such as seasonal warnings.
A clear reference image of the 1.05 - Slippery road road sign used in Switzerland.

The 1.05 - Slippery road road sign may also be known by these alternative names or terms.
The 1.05 - Slippery road road sign is part of the Swiss Warning Signs category, which groups together signs with similar rules and functions.
Master Swiss road signs by comparing similar warning signs, like the Slippery Road alert. Understanding subtle differences enhances sign recognition and is crucial for effective theory test revision and safe driving.

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This warning sign is used as an early planning cue, not as a last-second prompt. On Swiss roads it appears before the relevant hazard so the driver can adjust speed, following distance, lane position, and observation before the situation becomes demanding. In theory training, the expected answer should connect the sign with a concrete behaviour change: anticipate the hazard, keep control, and avoid overtaking or sudden manoeuvres where the warning reduces the safety margin. Official catalogue code: 1.15.
This warning sign is used as an early planning cue, not as a last-second prompt. On Swiss roads it appears before the relevant hazard so the driver can adjust speed, following distance, lane position, and observation before the situation becomes demanding. In theory training, the expected answer should connect the sign with a concrete behaviour change: anticipate the hazard, keep control, and avoid overtaking or sudden manoeuvres where the warning reduces the safety margin. Official catalogue code: 1.16.
After reviewing the full list of Swiss road signs, delve deeper into specific categories, practice recognition with quizzes, or explore detailed explanations for each sign. Continue your comprehensive preparation for the official theory driving test.
View All Swiss Road Signs