Traffic Light Signal Diagram - Red, Flashing Yellow, Green Lights Explained #1887857 (License: Personal Use)

This stylized illustration depicts a standard three-light traffic signal with the top red light illuminated, middle yellow light flashing (indicated by radiating lines), and bottom green light unlit. The design uses high-contrast colors and clean vector graphics to clearly communicate signal states for educational or instructional use. The “MARTIN” watermark suggests it originates from a public-domain educational resource.

Used on driver education websites, traffic safety brochures, municipal transportation pages, and classroom materials to explain signal meanings and promote road awareness. Matches user intent for learning traffic rules or preparing for a driving test.