Hairpin Curve
Category
Warning
Shape
Diamond
Color
Black on yellow
The road ahead makes a very tight U-shaped turn that doubles back on itself. Slow down sharply before you reach it. Steer carefully around the full one-hundred-eighty-degree bend.
Common test question
On the DMV permit test you may be shown this sign and asked “What does this sign mean?” The answer is Hairpin Curve. Recognize it by its diamond shape and black on yellow colors — a hallmark of warning signs.
Practice with the Road Signs Quiz →