Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #3563936 (License: Personal Use)

This image displays a standard vertical traffic light assembly with three circular lenses: top red, middle amber (yellow), and bottom green, each glowing with concentric ripple effects suggesting illumination. The housing is black with side visors to reduce glare, and the design follows international conventions for road signaling. The image is a clean vector-style illustration, ideal for educational or regulatory contexts.

Used on transportation safety pages, driver’s manuals, traffic engineering resources, and municipal websites to illustrate signal operation. Matches user intent for understanding traffic rules, preparing for driving tests, or designing road infrastructure visuals.