Driver's License Test Prep
The Glossary · A–Z

Warning sign

Also known as: caution sign

A traffic sign that alerts drivers to a hazard or change in road conditions ahead, such as a curve, intersection, merge, or pedestrian crossing. Warning signs are usually diamond-shaped with black symbols or text on a yellow background; orange backgrounds signal work zones, and fluorescent yellow-green covers schools, pedestrians, and bicycles.

Where you'll see warning sign on this site

Pages that reference this term so you can see it in context.

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