United States Permit Test Coach
Sign shapes and colorsQuestion 7 of 223

What does the color yellow mean on a traffic sign?

  1. Regulation
  2. Recreation
  3. Warning
  4. Evacuation route
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Correct answer: Warning

Yellow is the color of warning. It tells you about a hazard or a change on the road ahead.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 1D.05 Color Code, page 74

Practice sign shapes and colors

Questions last reviewed: 18 October 2026