Traffic Light Signal Diagram - Red, Yellow, Green Meaning & Usage #1888621 (License: Personal Use)

This image displays a standard vertical traffic light used globally for regulating vehicle and pedestrian movement at intersections. The top red light signals vehicles to stop, the middle yellow light warns of an impending change (typically to red), and the bottom green light indicates it is safe to proceed. The bright yellow housing enhances visibility during daylight and adverse weather conditions.

Used on transportation safety pages, driver’s education materials, traffic regulation guides, and municipal signage resources; matches user intent for understanding traffic signals or creating instructional content.