The F16 'Increase in Number of Lanes' sign informs you that an additional traffic lane will begin ahead. This sign helps you anticipate changes in road layout and traffic flow, allowing for smoother and safer driving. It's important to be aware of this sign, as it often signals merging traffic or a change in road capacity, which can affect your lane choice and speed. Pay close attention to mirrors and blind spots when a new lane appears.
Learn the key details of the F16 - Increase in Number of Lanes road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
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 sign indicates that the number of lanes increases, and may be used in advance with distance shown on a supplementary plate.
Get clear, practical answers to the most common questions about the F16 - Increase in Number of Lanes 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 F16 sign indicates that the road ahead will gain an extra lane. This means the road will widen, and drivers should be prepared for traffic patterns to change as the new lane opens up. It's a heads-up to adjust your driving behaviour accordingly for safety.
When you see the F16 sign, be aware that a new lane is about to open. It's a good idea to check your mirrors and blind spots, and if you plan to use the new lane, signal your intentions and merge smoothly. The sign may also be accompanied by a supplementary plate showing the distance to the lane increase.
A common mistake is assuming the new lane is entirely free or that you have an automatic right to merge aggressively. Learners might also fail to check their blind spots adequately before moving into the new lane, which is crucial for safe driving and often tested in the theory exam.
Yes, the F16 sign can be used in advance with a supplementary plate indicating the distance to where the new lane begins. The symbol on the sign itself can also be adapted to show vehicle types or route numbers, providing more specific information about the upcoming change.
The primary purpose of the F16 sign is to inform drivers about an upcoming increase in road lanes. This allows drivers to prepare for potential merging traffic, choose their lane appropriately in advance, and adjust their speed to ensure a safe and efficient flow of traffic, reducing the risk of congestion and accidents.
A clear reference image of the F16 - Increase in Number of Lanes road sign used in Sweden.

The F16 - Increase in Number of Lanes road sign may also be known by these alternative names or terms.
The F16 - Increase in Number of Lanes road sign is part of the Localisation Signs (F) category, which groups together signs with similar rules and functions.