The M18 is a road marking that warns you that a requirement to yield or stop applies further down the road in your direction of travel. It's designed to give you ample time to adjust your speed and plan your approach to an upcoming junction or control point. Seeing this marking means you should immediately start looking for the relevant yield or stop sign and line, and be ready to reduce your speed or stop completely if necessary, preparing for traffic or pedestrians.
This marking is vital for safe driving by giving you sufficient time to react to a mandatory yield or stop ahead. Mastering this road marking meaning is essential for the Swedish driving theory test, ensuring you prepare correctly for intersections and traffic controls.
This marking prepares drivers for an upcoming requirement to yield or stop. It is placed before the junction or control point so you have time to adjust speed and plan your approach. It improves safety by reducing sudden braking and late decision making. You should begin scanning for the relevant sign, traffic, and vulnerable road users as soon as you see this marking.
A marking that warns a yield obligation or stop obligation applies further ahead in your direction of travel.
Get clear, practical answers to the most common questions about the M18 - Advance Warning of Yield or Stop 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 Swedish driving theory exam in Sweden.
The M18 marking is a warning that you will soon encounter a requirement to either yield (give way) or stop at an upcoming junction or traffic control point. It's not the actual point where you need to yield or stop, but a heads-up to prepare for it.
Upon seeing the M18 marking, you should reduce your speed and increase your attention. Start scanning ahead for the actual yield or stop sign and the corresponding line on the road. Be prepared to react to traffic conditions and potentially stop.
No, the M18 is an advance warning marking. It tells you that a yield or stop obligation is coming up, but it is not the obligation itself. You will see a separate yield line or stop line, along with the corresponding sign, closer to the actual intersection or control point.
A common mistake is to think the M18 marking itself requires you to stop or yield immediately. Learners might also fail to actively scan for the upcoming junction and signs, assuming they can proceed without issue because they haven't reached the intersection yet. Always remember it's a warning to prepare.
No, you should reduce your speed. The purpose of the M18 marking is to give you time to prepare for a yield or stop situation. Maintaining high speed and reacting late can lead to dangerous situations, especially if you unexpectedly encounter traffic or need to stop suddenly.
A clear reference image of the M18 - Advance Warning of Yield or Stop road sign used in Sweden.

The M18 - Advance Warning of Yield or Stop road sign may also be known by these alternative names or terms.
The M18 - Advance Warning of Yield or Stop road sign is part of the Road Markings (M) category, which groups together signs with similar rules and functions.
Strengthen your understanding of road markings by comparing the M18 Advance Warning of Yield or Stop with similar signs. Effective traffic sign comparison aids sign recognition and reduces errors, crucial for your theory test revision.

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Understand the M11 Warning Line with Solid Line: What it Means and How to React

The M12 Center Line with Warning Line: When Caution is Key

Master the M13 Stop Line: Know Exactly Where to Stop for Safety and Exam Success

Know your M14: The Yield Line Tells You Where to Give Way Safely

Understand the M15 Pedestrian Crossing Markings and Pedestrian Priority

Understand the M16 Cycle Crossing Sign and Cyclist Priority
Connect visual signage with essential Swedish traffic rules by exploring our curated set of practice questions and detailed road safety explanations. These resources reinforce your ability to interpret complex road situations according to Transportstyrelsen standards.
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An Increase in Number of Lanes sign tells you that an additional lane will begin ahead, changing the road layout. The symbol is adapted to the local situation and may include vehicle-type symbols or route numbers. It can also be used as advance information, with the distance to the lane increase shown on an additional plate. The sign helps you anticipate merging behaviour, traffic distribution, and lane selection so that you can drive smoothly and safely.
This marking is used where a lane ends, merges, or becomes restricted, and drivers must move out of it promptly. It prevents last second merging and reduces side swipe risk by prompting early action. When placed between opposing directions, it can also serve as an advance warning that stricter separation, such as a solid line, appears further ahead. Correct response is to signal, check, and merge smoothly with adequate gaps.
After reviewing this complete list of Swedish road signs, deepen your understanding by exploring signs by category or practicing with simulated test questions. Solidify your recognition skills and ensure you are fully prepared for every aspect of the official driving theory exam.
All Swedish Road Signs List