What does a yellow diamond-shaped sign indicate?

A yellow diamond-shaped sign is an important visual cue on the road that alerts drivers to potential hazards or changes in road conditions ahead. These signs are designed to warn motorists about upcoming dangers such as sharp curves, pedestrian crossings, or other road features that may require a reduction in speed or increased attention. The use of a yellow diamond shape is standardized to ensure that drivers quickly recognize these warnings, helping them to take necessary precautions for safe driving.

While other options refer to specific types of signs—such as regulatory signs (which convey laws or requirements), construction zone signs, or speed limit changes—they do not capture the primary purpose of the yellow diamond sign as a general caution or warning. The distinction is important for maintaining road safety and ensuring that drivers are prepared for anything that might unexpectedly arise on their driving route.