United States Permit Test Coach
Warning signsQuestion 43 of 223
Yellow diamond with a red octagon that has the white word STOP

What does this sign warn of?

  1. A stop for a train ahead
  2. A police stop ahead
  3. A parking area ahead
  4. A STOP sign ahead that you may not see in time
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Correct answer: A STOP sign ahead that you may not see in time

A Stop Ahead sign is posted when you cannot see the STOP sign from far enough away. Slow down and be ready to stop.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2C.35 Advance Traffic Control Signs (W3-1, W3-2, W3-3, and W3-4), page 218

Practice warning signs

Questions last reviewed: 18 October 2026