Warning signsQuestion 34 of 223
Yellow diamond with a black arrow that goes up and then bends at a sharp right angle to the right

What does this sign warn of?

  1. A turn in the road so sharp that a low speed is needed
  2. A curve that you can drive at any speed
  3. A road that ends at a wall
  4. A side road that joins from the right
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Correct answer: A turn in the road so sharp that a low speed is needed

A Turn sign has a sharp corner in its arrow. It is used before a bend that has an advisory speed of 30 mph or less, so slow down.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2C.07 Horizontal Alignment Signs (W1-1 through W1-5, W1-11, and W1-15), page 196

Practice warning signs

Questions last reviewed: 18 October 2026