Traffic Light Signal - Amber Warning Phase Explained #1234806 (License: Personal Use)

This image displays a classic three-light vertical traffic signal with the amber (yellow) light illuminated, signaling drivers to prepare to stop if safe to do so. The housing is black with clear lenses, mounted on a sturdy pole, and designed for high visibility in urban and suburban roadways. The red and green lights remain unlit, emphasizing the transitional warning state.

Used on transportation safety pages, driver education resources, traffic regulation guides, or municipal infrastructure sites. Matches user intent for understanding traffic signal meanings, preparing for driving tests, or illustrating road signage standards.