Traffic Light Warning Sign - Meaning and Usage in Road Safety #1887787 (License: Personal Use)

This is a U.S.-style diamond-shaped yellow warning sign featuring a black rectangle with vertically aligned red, yellow, and green circles representing a traffic signal. It alerts drivers they are approaching an intersection controlled by traffic lights, often placed 250-500 feet before the intersection to allow safe deceleration and awareness.

Used on roadways ahead of signalized intersections, especially where visibility is limited or speed is high; matches user intent for understanding traffic signage, driver education, or road safety compliance.