Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #293589 (License: Personal Use)

This digital illustration depicts a standard vertical traffic light used worldwide to regulate vehicular and pedestrian flow at intersections. Each circular lamp-red at the top, amber/yellow in the middle, and green at the bottom-is rendered with a grid pattern for visual clarity and realism. The housing is olive-green with side visors to reduce glare and improve visibility in daylight.

Used on transportation safety pages, driver education resources, traffic regulation guides, and municipal websites; matches user intent for understanding traffic signal meanings or designing road safety content.