Traffic Light Signal Diagram - Red, Yellow, Green Meaning and Function #1887848 (License: Personal Use)

This vector illustration depicts a standard vertical traffic light used worldwide for regulating vehicle and pedestrian movement at intersections. The top red light indicates stop, the middle amber/yellow light signals prepare to stop or proceed with caution, and the bottom green light authorizes movement. Each lamp is housed in a black casing with reflective visors to enhance visibility in daylight and adverse weather.

Used on transportation safety pages, driver’s education materials, traffic regulation guides, and municipal signage resources; matches user intent to understand traffic signal rules or find illustrative assets for road safety content.