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Yellow diamond with a black border and two lines of black text reading GROOVED PAVEMENT.
MUTCD
W8-15
Category
warning
Color
yellow
Shape
diamond

Grooved Pavement

The pavement ahead has been grooved and may affect vehicle handling, especially for motorcycles.

Used where the roadway has been longitudinally grooved (typically as a temporary surface during resurfacing or as a permanent skid-resistance treatment) this warning alerts drivers to a textured surface that can grab tires and cause subtle wandering. Motorcyclists and small vehicles should hold a firm grip, reduce speed, and avoid abrupt steering inputs through the affected segment.

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Yellow diamond with black border containing a thick black arrow that travels up and bends ninety degrees to point left.
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Yellow diamond with black border containing a thick black arrow that travels up and bends ninety degrees to point right.
Turn Right
Yellow diamond with black border containing a thick black arrow that sweeps in a smooth curve from lower right up to the upper left.
Curve Left
Yellow diamond with black border containing a thick black arrow that sweeps in a smooth curve from lower left up to the upper right.
Curve Right
Yellow diamond with a black arrow pointing up that bends sharply left and then sharply right.
Reverse Turn (Left)
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