Warning signs typically consist of what shape?

Warning signs are designed to alert drivers to potential hazards or changes in road conditions. The distinctive shape of a warning sign is diamond. This specific shape is used because it stands out to drivers and quickly conveys the need for caution. The diamond shape is easily recognizable and helps to effectively communicate a warning, whether it be about sharp turns, pedestrian crossings, or other potential hazards on the road.

In contrast, other shapes like rectangular signs are generally used for regulatory information, such as speed limits or parking regulations, while square signs might also pertain to specific regulations or information, not warnings. The hexagonal shape is unique to stop signs, signifying a complete halt, which is a warning but serves a different purpose compared to general warning signs that are typically diamond-shaped.