New Brunswick Knowledge Test Coach
Road signsQuestion 6 of 309

What shape are most warning signs?

  1. A circle
  2. A diamond
  3. An octagon
  4. A rectangle that is wider than it is tall
Show answer

Correct answer: A diamond

Warning signs are diamonds. They are yellow or orange with black symbols or letters.

Source: New Brunswick Driver's Handbook (Government of New Brunswick, 2022), 7.1 Six basic sign shapes every driver must know, page 87

Practice road signs

Questions last reviewed: 18 October 2026