Driver's License Test Prep
Yellow diamond with a black arrow pointing up that curves smoothly to the right and then back to the left.
MUTCD
W1-4R
Category
warning
Color
yellow
Shape
diamond
National · MUTCD Sign Reference

Reverse Curve (Right)

Two curves ahead, first bending right, then bending left.

Warns of two consecutive curves in opposite directions, the first to the right and the second to the left. Approach at a reduced speed; the alignment is not as severe as a reverse turn but still requires steady steering and limits passing visibility. An advisory speed plaque may indicate a recommended speed.

In the same family

Related signs

Source

Wikimedia Commons: File:MUTCD W1-4R.svg (Public domain)

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