The J18 road sign indicates that the carriageway will narrow on the right side. This means the available road space reduces for traffic moving in your direction, potentially forcing you to merge left within your lane. As this is a warning sign, it's crucial to adjust your speed and be extra vigilant, especially for large vehicles or cyclists who might be squeezed. Always anticipate changes in road width and merge smoothly when necessary.
Learn the key details of the J18 - Carriageway Narrows on the Right road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in the Netherlands. Use this overview to understand the sign clearly and recognise it confidently during the Dutch driving theory exam.
The carriageway narrows on the right warning sign shows that the right hand edge of the road will move inward, for example because of barriers, parking, a bridge structure, or road damage. Drivers must anticipate that large vehicles and trailers may need more space and that vulnerable road users can be squeezed if space is not shared fairly. The sign is often used before pinch points, construction areas, or obstacles near the verge. Smooth, early positioning and reduced speed improve safety for all road users.
This sign indicates that the carriageway narrows from the right, so the usable width on that side is reduced. Drivers should prepare to move slightly left within their lane while staying clear of oncoming or adjacent traffic. Speed must be adjusted early, and special care is needed for cyclists or motorcyclists near the narrowing.
Get clear, practical answers to the most common questions about the J18 - Carriageway Narrows on the Right 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 Dutch driving theory exam in the Netherlands.
The J18 sign warns that the road ahead will become narrower on the right-hand side. This reduces the available space for your lane, so you should prepare to adjust your position within the lane and be aware of other road users.
Upon seeing the J18 sign, you must reduce your speed and check your mirrors. Be ready to merge left if necessary and give extra space to vulnerable road users like cyclists who might be pushed towards the edge of the reduced carriageway.
Yes, especially for larger vehicles that require more space or for cyclists who might be forced very close to the edge or any temporary barriers. It's also important to avoid forcing late merges at speed, as this can create hazardous situations.
A common mistake is not anticipating the narrowing early enough or failing to adjust speed. Some learners might also forget to check for cyclists or not provide them with adequate space, leading to a fail on the exam. The key is proactive awareness and smooth merging.
No, the J18 sign is a warning. It indicates that the space on the right will reduce, potentially requiring you to move left within your lane or merge smoothly if traffic conditions dictate. It doesn't mandate an immediate lane change, but rather preparedness.
A clear reference image of the J18 - Carriageway Narrows on the Right road sign used in the Netherlands.
The J18 - Carriageway Narrows on the Right road sign may also be known by these alternative names or terms.
The J18 - Carriageway Narrows on the Right road sign is part of the Warning Signs (J) category, which groups together signs with similar rules and functions.