Category A danger signs are triangular signs with a red border that warn road users of potential hazards ahead. These signs are generally placed 150 metres before the danger in built-up areas and 300 metres outside built-up areas. A good understanding of them is essential for anticipating and adapting your driving.

Danger signs Cat. A

Dangerous bend to the left

Sign indicating a dangerous bend to the left

Dangerous bend to the right

Sign indicating a dangerous bend to the right

Dangerous bend – Double bend

Double bend or series of more than two bends, the first to the left

Dangerous bend – Double bend

Double bend or series of more than two bends, the first to the right

Steep descent

Sign indicating a steep descent

Steep ascent

Sign indicating a steep ascent

Road narrows

Road narrows on both sides

Road narrows on the left

Road narrows on the left side

Road narrows on the right

Road narrows on the right side

Opening bridge

Sign indicating the presence of an opening bridge

Quay or riverbank ahead

Sign indicating an exit onto a quay or riverbank

Dip or speed bump

Road surface deformation that undulates; this is not an engineered feature. No speed limit, no stopping or parking prohibition, no overtaking ban.

Raised traffic calming device(s)

Traffic calming device (speed cushion or raised platform). Speed limit 30 km/h, stopping, parking and overtaking prohibited.

Slippery road

Sign indicating a slippery road, with supplementary panel for ice or snow

Loose chippings

Sign indicating a risk of loose chippings being thrown up

Falling rocks

Sign indicating a risk of falling rocks

Pedestrian crossing

Sign indicating a pedestrian crossing

Area frequented by children

Sign indicating an area particularly frequented by children

Crossing for cyclists and moped riders

Crossing for cyclists and two-wheeled moped riders, or point where these riders emerge from a cycle path onto the carriageway

Large wild animal crossing

Sign indicating a large wild animal crossing zone

Cattle crossing

Sign indicating a cattle crossing zone

Road works

Sign indicating road works

Traffic lights

Sign indicating the presence of traffic lights

Low-flying aircraft

Sign indicating a low-flying aircraft zone

Crosswind

Sign indicating the presence of strong crosswind

Two-way traffic

Two-way traffic after a one-way section. This sign is placed in the immediate vicinity of the hazard, not at 150 metres

Level crossing with barriers

Sign indicating a level crossing protected by barriers

Level crossing without barriers

Sign indicating a level crossing not protected by barriers