Traffic Light Signal Diagram - Red, Yellow, Green Meaning & Usage #293552 (License: Personal Use)

This illustration depicts a standard vertical traffic signal used globally to control vehicular and pedestrian movement at intersections. The top red light indicates stop, the middle amber/yellow light warns of an impending change, and the bottom green light permits passage. The housing is black with reflective visors to enhance visibility in daylight and adverse weather.

Used on transportation safety pages, driver education materials, municipal traffic guides, and urban planning resources. Matches user intent for understanding traffic rules, preparing for driving tests, or designing signage systems.