ThinkabaraNo U-Turn sign
Regulatory signs · MUTCD R3-4
What it means
You may not turn around (make a U-turn) here.
How to recognize it
White square, U-shaped arrow, red circle and slash.
What drivers do
Do not make a U-turn at this location. Find a legal place to turn around.
For kids walking and biking
Drivers should not turn around here.
Check yourself
What does this sign prohibit?
Learning summary, not legal advice. Traffic laws vary by state — check your state driver's handbook. Drawing: our own illustration of the standard MUTCD design.
Frequently asked questions
What does the No U-Turn sign mean?
You may not turn around (make a U-turn) here.
What should a driver do at a No U-Turn sign?
Do not make a U-turn at this location. Find a legal place to turn around.
What does the No U-Turn sign look like?
White square, U-shaped arrow, red circle and slash. It is a regulatory sign (white, red or black). MUTCD code R3-4.