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 of a steep ascent

The sign warns that a steep ascent is ahead

Warns of a steep ascent

Is the steep uphill warning sign important for the theory test and the practical driving test?

Yes. The steep uphill warning sign is part of the syllabus for the class B theory test and can come up on the practical driving test. You must be able to recognize the sign, understand what it warns about, and demonstrate the correct response in practice.

What is the steep uphill warning sign?

The steep uphill warning sign (104.1 Ascent) warns of a road with a long and steep ascent that can cause reduced mobility or engine overheating, especially in slippery conditions. The sign is put up when the hill is so steep and long that it poses a particular hazard or causes major mobility problems.

When do you encounter the steep uphill warning sign?

You can encounter the sign on:

Mountain passes – long, steep stretches in the high mountains.
Western Norway roads – winding roads with a steep ascent.
Forest roads – narrow gravel roads with steep hills.
Tunnels – where the ascent is hard to perceive visually.

In the picture you see the steep uphill warning sign placed at the start of a rocky road with a 9% gradient over several hundred meters.

Picture of the steep uphill warning sign

How do you prepare when you see the steep uphill warning sign?

Shift down to a low gear before the hill so the engine has enough power to maintain speed. Keep an even speed to avoid jerks and reduce the risk of overheating. Ensure good visibility behind you and make room for any slow-moving vehicles.

Why is the steep uphill warning sign important?

The sign increases traffic safety by giving the driver time to adjust gear selection, speed, and engine load before a demanding uphill section. It prevents engine stalls and dangerous situations on narrow or winding roads.

Frequently asked questions (FAQ) about the steep uphill warning sign

Does the sign apply to all vehicles? – Yes, both light and heavy vehicles must adjust to the ascent.
Can there be a supplementary sign under the steep uphill warning sign? – Yes, you may see a supplementary sign that indicates the length of the ascent.