Traffic Light Signal Diagram - Red, Yellow, Green Indicators Explained #1887898 (License: Personal Use)

This image depicts a standard vertical traffic light assembly with three circular lamps: red at the top, amber/yellow in the middle, and green at the bottom, all lit to demonstrate signal states. Each lamp is housed in a black casing with silver bezels, representing typical urban or highway signaling infrastructure. The design follows international conventions used in road traffic control systems worldwide.

Used in transportation safety materials, driver’s manuals, traffic engineering documentation, and educational websites explaining traffic rules. Matches user intent for visual reference when learning signal meanings or designing UI/UX for traffic-related applications.