What does a yellow diamond sign indicate?

Answer: B — Warning of potential hazards ahead

A yellow diamond sign is used to warn drivers of potential hazards ahead. This type of sign is designed to alert motorcycle riders and other drivers about conditions that may require special attention, such as sharp turns, pedestrian crossings, or intersections. The bright yellow color and diamond shape help to attract immediate attention, signaling the necessity for cautious driving. In contrast, a stop ahead sign would typically be a red octagon, signaling that drivers must prepare to stop. A speed limit sign, which sets the maximum allowable speed, is generally rectangular and white. Road construction signs are usually orange and convey information about temporary changes in the roadway due to construction work. Thus, the key aspect of the yellow diamond sign is its role in providing advance warning of potential dangers, enabling riders to adjust their speed and behavior accordingly for safer navigation.