United States Permit Test Coach
Sign shapes and colorsQuestion 5 of 223

What shape do most regulatory signs have?

  1. Rectangle
  2. Diamond
  3. Pentagon
  4. Circle
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Correct answer: Rectangle

Most regulatory signs are rectangles. STOP and YIELD signs have special shapes.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2B.02 Design of Regulatory Signs, page 108

Practice sign shapes and colors

Questions last reviewed: 18 October 2026