Traffic Light Signal Diagram - Understanding Road Safety Signals #3478364 (License: Personal Use)

This image displays a standard vertical traffic light assembly with three circular lamps-red on top, amber in the middle, and green at the bottom-mounted in a black housing with reflective side visors. The lights are rendered with glossy, realistic highlights, suggesting a modern vector illustration used for educational or regulatory purposes. Each lamp is fully illuminated to demonstrate signal states clearly.

Commonly used on transportation safety websites, driver’s education materials, traffic regulation guides, and municipal signage resources. Matches user intent for understanding traffic signal meaning, visual reference for design, or inclusion in road safety campaigns.