Traffic Light Signal Diagram - Red, Yellow, Green Indicators Explained #1888605 (License: Personal Use)

This image displays a standard vertical traffic light with three circular lamps: red at the top, yellow (amber) in the center, and green at the bottom, each housed in a gray bezel against a black background. The design follows international conventions where red signals stop, yellow indicates caution or impending change, and green authorizes movement. The clean, isolated presentation makes it ideal for educational, legal, or transportation safety materials.

Used on transportation safety websites, driver’s education resources, traffic regulation pages, and municipal signage guides; matches user intent to understand traffic signal meaning or illustrate road rules visually.