Traffic Light Signal Diagram - Red, Yellow, Green Indicators Explained #1234801 (License: Personal Use)

This illustration depicts a conventional vertical traffic signal with three circular lamps: red at the top, amber/yellow in the middle, and green at the bottom, each featuring a grid-patterned lens. The housing is olive-green with side visors to reduce glare and improve visibility in daylight. Widely used in road safety materials, it visually reinforces traffic rule fundamentals for drivers and pedestrians alike.

Used in driver’s education resources, transportation safety websites, municipal signage guides, and traffic regulation documentation; matches user intent for understanding traffic signal meanings or creating instructional content.