Warning road signs
Watch out for these common warning signs when you're driving. These alert you to possible dangers and changed conditions.
Common warning signs
Warning signs alert you that there may be dangers or changed road conditions ahead. The signs are usually diamond-shaped with pictures, diagrams, symbols or words in black on a yellow background.
These are some of the most common warning signs.
Intersections and road signs



Curves, bends and turns signs




'Divided' road signs


'Narrow' road or bridge signs



Give way and Stop sign ahead signs
Pedestrian and bicycle signs




Changing road conditions signs





Changing traffic conditions signs



Weather and water signs





Animals and livestock signs



Advisory speed sign
Sometimes an advisory speed sign is used with a warning sign. For example, to show the maximum speed that’s safe in good conditions, or how long you should look out for a particular hazard.

Variable message sign
Some roads have large electronic signs (called variable message signs). These signs warn you of changes in traffic conditions ahead – for example, fog, a crash, roadworks, congestion, road closures or police operations.
