Traffic Light Signal Diagram - Red, Yellow, Green Indicators Explained #158728 (License: Personal Use)

This illustration depicts a conventional three-light traffic signal mounted on a pole, with the top red lamp illuminated. Horizontal red and yellow arrow indicators extend from the sides, signaling stop for straight-through traffic (red arrow) and caution or yield for turning vehicles (yellow arrow). The design follows standard traffic control conventions used in many countries to manage intersection flow and enhance driver awareness.

Used on transportation safety websites, driver education materials, traffic engineering resources, and municipal signage guides. Matches user intent for understanding traffic signal meanings, preparing for driving tests, or designing road infrastructure visuals.