Traffic Light Warning Sign - Road Safety Symbol Explained #1840246 (License: Personal Use)

The image shows a regulatory warning sign in the form of an equilateral triangle with a red border and yellow background, featuring three circular lights stacked vertically: red on top, amber (unlit yellow) in the middle, and green at the bottom. This symbol is used internationally to indicate an approaching traffic light-controlled intersection, prompting drivers to slow down and be ready to stop. The design follows standardized road signage conventions for high visibility and immediate recognition.

Used on roads and highways near intersections with traffic signals, especially where sightlines are obstructed; matches user intent for understanding road signs, driver education, or traffic safety resources.