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.
Warns that the road becomes uneven

Warns that the road becomes uneven

The sign warns that the road ahead becomes uneven

Warns that the road becomes uneven

Is the uneven road warning sign important for the theory test and the practical driving test?

The uneven road warning sign is very important both on the theory test and during the practical driving test. On the theory test, questions may come up about what the sign means and when it is used. During the practical driving test you must show that you recognize the uneven road warning sign and slow down in good time.

What is the uneven road warning sign?

The uneven road warning sign warns that the road has significant unevenness – such as potholes, cracks, or frost damage – that can cause loss of control or damage to the vehicle. The sign is triangular with red and white, and has a black symbol of wavy lines.

When do you encounter the uneven road warning sign?

You can encounter the uneven road warning sign in places such as:

  • Rural roads – where traffic and weather wear more on asphalt and gravel.
  • In spring after the frost thaws – when frost in the ground creates cracks and bumps.
  • roadworks – if the surface is uneven because of roadworks.
Picture of the uneven road warning sign before an uneven road

What happens if you ignore the uneven road warning sign?

If you drive too fast over an uneven stretch, you risk: losing control, damaging the chassis, or puncturing tires. Other road users may also be surprised and create dangerous situations.

What supplementary signs can you see under the uneven road warning sign?

Sign 108 can have supplementary signs that specify distance, length, or type of unevenness:

  • 802 "Distance" – indicates meters to the hazard.
  • 804 "Extent" – shows the length of the uneven road section.
  • 808 "Text" – describes the type of unevenness (ice ridges, frost damage, cattle grid, cracks).

Why is the uneven road warning sign important?

The uneven road warning sign gives a clear warning about hidden hazards in the road. By slowing down you improve your braking distance and maintain control, which makes driving safer for you and others.

Frequently asked questions (FAQ) about the uneven road warning sign

  • Does it apply in both directions of travel? – Yes, each direction of travel encounters the sign separately.
  • What does a yellow background mean? – For temporary roadworks the uneven road warning sign can have a yellow background.
  • How is it different from the speed bump warning sign? – The speed bump warning sign (109) warns about constructed bumps, while the uneven road warning sign (108) warns about natural or unplanned unevenness.