The F18 'Lane Configuration on a Stretch' road sign provides crucial information about which lanes you can use for your intended direction of travel. It might show arrows indicating permitted movements from each lane, or it can serve as advance warning that new lanes are beginning ahead and how they are organised. This sign is vital for maintaining lane discipline and ensuring you choose the correct lane well in advance, especially on complex road layouts or before junctions.
Mastering the F18 Lane Configuration sign is crucial for navigating Swedish roads correctly, ensuring you choose the right lane early. This sign's explanation is vital for your theory test revision and understanding traffic flow.
A Lane Configuration on a Stretch sign indicates the direction of travel permitted from each lane. The symbol is adapted to the site and may include vehicle-type symbols, route numbers, or physical separation between opposing lanes. It can also be used as advance information to show that lanes begin ahead and how they will be organised. The sign supports safe lane discipline by helping you select the correct lane early and maintain a predictable path.
This sign shows permitted directions for each lane on a stretch of road, and may also warn that lanes begin ahead.
Get clear, practical answers to the most common questions about the F18 - Lane Configuration on a Stretch 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 F18 sign indicates the direction you are allowed to travel from each specific lane. It helps drivers select the correct lane early, for example, to turn left, go straight, or turn right at an upcoming intersection or along a road section.
You must choose the lane that corresponds to your intended direction of travel as shown by the arrows on the sign. Maintaining your lane and avoiding sudden changes after the sign is important for smooth traffic flow and safety.
Yes, the F18 sign can be used to provide advance information. It may show that new lanes are beginning ahead and illustrate how these lanes will be organised, allowing you to prepare for the upcoming configuration.
A common trap is not choosing the correct lane early enough, leading to last-minute, potentially unsafe lane changes. Learners might also misinterpret the arrows, especially if the sign is complex with multiple lanes and directions shown. Always ensure your chosen lane leads to your desired path.
If the F18 sign illustrates physical separation, such as a barrier or median, between opposing traffic flows, it's a strong signal to absolutely avoid drifting into lanes not designated for your direction, as this would be extremely dangerous.
A clear reference image of the F18 - Lane Configuration on a Stretch road sign used in Sweden.

The F18 - Lane Configuration on a Stretch road sign may also be known by these alternative names or terms.
The F18 - Lane Configuration on a Stretch road sign is part of the Localisation Signs (F) category, which groups together signs with similar rules and functions.
Sharpen your recall by comparing this sign with similar ones, enhancing sign recognition and reducing errors for your theory test revision. Effective traffic sign comparison aids in mastering the nuances of road markings and rules for Swedish roads.

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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