Traffic Light Signal Diagram - Red, Yellow, Green Indicators Explained #1234803 (License: Personal Use)

This illustration depicts a conventional vertical traffic signal used globally to regulate vehicular and pedestrian movement at intersections. Each circular lamp-red at the top, amber/yellow in the middle, and green at the bottom-is housed in a black casing with side visors to reduce glare and improve visibility. The design follows international standards for road safety and traffic control.

Used on transportation safety websites, driver education materials, traffic engineering resources, and municipal public information pages; matches user intent for understanding traffic rules, preparing for driving tests, or designing road infrastructure visuals.