Trusted Local Auto

U.S. Road Signs

Regulatory, Lane & Parking Signs

What does this sign mean?

A white square sign with a black U-shaped arrow that is crossed by a red circle and a red diagonal slash.
  1. ADo not turn left at this intersection.
  2. BTurn around here, because the road ahead is closed.
  3. CDo not make a U-turn here.
  4. DDo not change lanes to the left on this road.
Show the answer and the explanation

Correct answer: C. Do not make a U-turn here.

Why

The red circle and slash mean that a movement is not allowed. Over a U-turn arrow, this sign means that you may not make a U-turn at this place. To go back the other way, drive on to a place where you can turn around legally and safely. This sign does not ban left turns. The No Left Turn sign shows a bent left arrow, and a combined sign shows both the U-turn and the left-turn arrows.

Why the other answers are not correct

  • A. Wrong: the No Left Turn sign shows a bent left arrow, not a U-turn arrow, under the red circle and slash.
  • B. Wrong: the red circle and slash forbid the U-turn; a closed road is shown by a ROAD CLOSED sign.
  • D. Wrong: a Movement Prohibition sign forbids a turn at the intersection, not a lane change.

Verified against Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 · Section 2B.26 Movement Prohibition Signs (R3-1 through R3-4, R3-18, and R3-27) · p. 130, 131

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