Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #1234671 (License: Personal Use)

This image displays a standard vertical traffic light with three circular lamps: red at the top, amber/yellow in the middle, and green at the bottom, all glowing brightly against a dark gray housing. The lights are rendered with realistic gloss and illumination effects to emphasize their visibility and function in real-world driving conditions. It serves as an educational or illustrative representation rather than a depiction of actual operational signaling.

Used on transportation safety pages, driver’s education resources, traffic regulation guides, or municipal websites explaining road signage. Matches user intent for understanding traffic signal meanings or visual reference for design and compliance documentation.