Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #293566 (License: Personal Use)

This vector-style illustration depicts a standard vertical traffic signal housing with three circular lamps: red at the top, amber (yellow) in the center, and green at the bottom. Each light is fully illuminated to demonstrate their distinct roles in regulating vehicular and pedestrian flow. The black casing provides high contrast, ensuring visibility under various lighting conditions.

Used in driver education materials, transportation safety websites, traffic regulation guides, and municipal signage documentation; matches user intent for understanding traffic signal meanings or designing UI/UX elements related to status indicators.