Traffic Light Signal Diagram - Red, Yellow, Green Lights Explained #1783872 (License: Personal Use)

This image displays a standard vertical traffic light configuration used globally, with the red light at the top indicating stop, an unlit yellow (amber) light in the middle signaling caution or impending change, and the green light at the bottom permitting traffic to proceed. The lights are encased in black circular borders against a bright yellow rectangular housing, enhancing visibility and contrast for drivers and pedestrians. The design follows international conventions for traffic control devices.

Used in driver’s education materials, transportation safety websites, traffic regulation documentation, and urban planning resources. Matches user intent for understanding traffic signal meanings, learning road rules, or illustrating traffic control systems.