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.

Dangerous left curve

The sign indicates that a dangerous left curve is ahead

Dangerous left curve

Is the left curve warning sign important for the theory test and the practical driving test?

Yes, the left curve warning sign is important both on the theory test and on the practical driving test. On the theory test you may be asked about the meaning and use of the sign. On the practical driving test you must show that you recognize it, slow down, and drive safely through the curve.

What does the left curve warning sign mean?

The left curve warning sign warns that the road bends sharply to the left. The sign helps you slow down and position your car correctly before the curve.

Where do you encounter the left curve warning sign?

You see the left curve warning sign on:

Narrow country roads with limited visibility and gravel along the roadside.
Mountain roads where the road is steep and the curves are sharp.
Residential areas where the road suddenly curves with poor visibility.

In the picture below you see the left curve warning sign before a dangerous curve on a country road.

Picture of the left curve warning sign before a dangerous curve

What happens if you do not slow down at the left curve warning sign?

If you enter the curve too fast, you can lose control, slide off the road, or cross the center line. This can lead to serious accidents, injuries, and a fine.

Why is the left curve warning sign important?

The left curve warning sign gives you plenty of time to react, brake, and position your car correctly. It increases safety for you, your passengers, and other road users.

Frequently asked questions (FAQ) about the left curve warning sign

Can the left curve warning sign have a supplementary sign? – Yes, it can have a supplementary sign with distance or recommended speed before the curve.
Does the left curve warning sign apply to cyclists and motorcyclists? – Yes, all vehicles must adjust their speed according to the left curve warning sign.