Warning signs
What do warning signs look like?
Warning signs are triangular with a white background, red border and black symbols. There are exceptions to this rule of thumb. They alert you to particular dangers — places on the road where you need to be extra attentive and drive at a low enough speed to handle the hazard.

Road narrows on both sides
The sign warns that the road ahead becomes narrower
Road narrows on both sides
Is the road narrows on both sides warning sign important for the theory test and the practical driving test?
Yes. On the theory test you may be asked what the road narrows on both sides warning sign means and where it is used. During the practical driving test you must recognize the sign and show that you adjust your speed when the road narrows.
What does the road narrows on both sides warning sign mean?
The road narrows on both sides warning sign warns that the road becomes narrower on both sides. You must slow down and be especially attentive to oncoming traffic.
When do you encounter the road narrows on both sides warning sign?
You see the road narrows on both sides warning sign in these situations:
- Before a transition to a road width below 5.5 m.
- Before narrow bridges or underpasses with a tight passage.
- Before traffic calming measures on roads with a high speed limit.
In the picture you see the road narrows on both sides warning sign.

How to drive safely when the road narrows on both sides
- Reduce your speed in good time before the narrowing.
- Stay to the right in the lane.
- Watch for oncoming traffic and adjust your position.
Why is the road narrows on both sides warning sign important?
The sign gives you time to adjust your speed and position when the road narrows, which increases traffic safety and reduces the risk of head-on collisions.
Frequently asked questions (FAQ) about the road narrows on both sides warning sign
- Can the road narrows on both sides warning sign have a supplementary sign? – Yes. You may see supplementary signs such as 802 "Distance" to show the distance to the narrowing, or 808 indicating "Narrow bridge" or "Narrow underpass".
- Does the sign apply to all lanes? – Yes, unless a supplementary sign indicates that the narrowing only applies to one lane.

