ThinkabaraWinding Road sign
Warning signs · MUTCD W1-5
What it means
Several curves are ahead.
How to recognize it
Yellow diamond with a wiggly arrow.
What drivers do
Slow down and stay alert — the road bends one way and then the other.
Check yourself
A wiggly arrow on a yellow sign means…
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 Winding Road sign mean?
Several curves are ahead.
What should a driver do at a Winding Road sign?
Slow down and stay alert — the road bends one way and then the other.
What does the Winding Road sign look like?
Yellow diamond with a wiggly arrow. It is a warning sign (yellow). MUTCD code W1-5.