Traffic Light Color Logic Diagram - Visual Guide to Signal States #2042617 (License: Personal Use)

This diagram displays a 3×4 grid of circles illustrating standard traffic signal states: top row shows active red (stop), middle row yellow (caution/preparation), bottom row green (go), with gray circles representing inactive or disabled signals. Each column may represent a different lane or phase in a traffic control system. The high-contrast black background enhances visibility of the color-coded states for educational or technical documentation.

Used in transportation engineering guides, driver education materials, traffic signal programming documentation, or UI design for smart city dashboards-serves users seeking to understand signal sequencing, state mapping, or interface prototyping.