Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #1888093 (License: Personal Use)

This illustration depicts a classic vertical traffic light with all three circular lamps illuminated: red at the top, amber/yellow in the middle, and green at the bottom. The lights feature soft glow effects to simulate real-world illumination against a neutral gray housing, emphasizing clarity and universal recognition. Though not operational (all lights on is nonstandard), it serves as an educational visual for understanding signal meanings.

Used on driver education websites, traffic safety resources, transportation guides, or municipal signage pages; matches user intent to understand traffic signal rules or visualize signal components for learning or design reference.