This guide explains the "Guide post, left" road marking (catalogue code 6.31), a crucial instruction applied directly to the carriageway in Switzerland. Unlike upright signs, this marking dictates behaviour from your lane position. Always interpret it in conjunction with nearby traffic lights, supplementary panels, and the specific road layout to understand lane choices, potential restrictions, or required movements, ensuring safe passage and compliance with Swiss traffic law.
This guide post marking on the carriageway dictates lane choices and must be read from your vehicle's position, crucial for your theory test revision. Proper interpretation of this specific road marking is essential for safe navigation and understanding Swiss traffic rules.
This road marking is applied directly to the carriageway, so the driver reads it from the vehicle's position rather than from a roadside post. Swiss markings can control lane choice, crossing, stopping, parking, bus or bicycle priority, pedestrian protection, waiting areas, and restricted surfaces. A professional explanation should state what movement the marking permits, limits, or forbids, then connect it to any nearby upright signs or traffic lights. Official catalogue code: 6.31.
The "Guide post, left" marking is used for guide post, left on the carriageway. Drivers must read it from their lane position and combine it with nearby signs, signals, and traffic movement. Catalogue code 6.31.
Get clear, practical answers to the most common questions about the 6.31 - Guide post, left 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 6.31 'Guide post, left' marking is an instruction applied directly to the road surface. It guides drivers on how to position their vehicle or indicates specific lane behaviour, and must be interpreted from your current lane, in combination with any accompanying traffic lights or signs.
When you see the 6.31 'Guide post, left' marking, you must read and obey it from your lane. This marking might control lane choice, prohibit certain actions like stopping or parking, or direct you to follow a specific path. Always consider its placement and combine its instruction with any other traffic control devices present.
You should only cross, stop on, park on, or straddle the 6.31 'Guide post, left' marking if Swiss regulations permit it in that specific context. Generally, road surface instructions should be respected; assume restrictions apply unless explicitly permitted by other signs, signals, or road layout. Always check for prohibited actions.
A common trap is overlooking road-surface instructions because no upright sign is repeated nearby. Learners might also fail to combine the 6.31 marking with other traffic controls like traffic lights or supplementary panels. Remember to always assess the full context of the road situation.
The placement is critical because this marking is read from your vehicle's position. Its meaning can change significantly based on which lane you are in and the overall road layout. Understanding its context helps you make the correct driving decisions, especially at complex junctions or lane changes.
A clear reference image of the 6.31 - Guide post, left road sign used in Switzerland.

The 6.31 - Guide post, left road sign may also be known by these alternative names or terms.
The 6.31 - Guide post, left road sign is part of the Swiss Road Markings category, which groups together signs with similar rules and functions.
Understanding how similar road signs like this guide post marking relate to others is key to exam success. Comparing these signs aids recognition and reduces mistakes during your theory test revision.

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Understand the Double Strip Road Marking (6.04) and Your Lane Position

Advance Warning Strip (6.05) – Prepare for Changes Ahead on the Road

Follow the White Pre-selecting Arrows on the Roadway

Understand the Oblique Pull Arrows Road Marking (6.07)

Master the Yellow Bus Lane Marking (6.08) in Switzerland

Follow the Carriageway Guidance of Swiss Road Marking 6.09
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.
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