Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #1888093 (License: Personal Use)

This vector-style traffic light displays the universal color-coded signaling system used globally at road intersections. The red light at the top commands vehicles to stop, the amber/yellow middle light indicates an upcoming change, and the green bottom light authorizes movement. Each lamp is rendered with a soft glow to emphasize active illumination.

Used on transportation safety pages, driver education resources, traffic regulation guides, and municipal infrastructure websites; matches user intent for understanding traffic signal meanings or visual reference for design and compliance materials.