United States Permit Test Coach
Work zonesQuestion 164 of 223

What color are most warning signs in a work zone?

  1. Yellow
  2. Red
  3. Orange
  4. Green
Show answer

Correct answer: Orange

Most work zone warning signs are diamond-shaped with a black legend and border on an orange background.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 6H.01 Warning Sign Function, Design, and Application, page 839

Practice work zones

Questions last reviewed: 18 October 2026