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Warning signsQuestion 66 of 223

What does a GROOVED PAVEMENT sign warn of?

A road that is closed for paving
A road that has a new line of paint
A road that goes through a tunnel
A road surface that is cut with grooves instead of smooth

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Correct answer: A road surface that is cut with grooves instead of smooth

A grooved or textured surface can make a motorcycle or bicycle hard to control. The sign warns riders and other road users before the surface starts.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2C.31 Warning Signs and Plaque for Motorcyclists (W8-15, W8-15aP, and W8-16), page 216

Practice warning signs

Questions last reviewed: 18 October 2026

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