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Truck Rollover Warning: What It Means & What To Do

Truck Rollover Warning (W1-13) - diamond yellow with black warning sign: A sharp curve ahead where trucks and other high vehicles risk rolling over
MUTCD CodeW1-13
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Truck Rollover Warning Mean?

A sharp curve ahead where trucks and other high vehicles risk rolling over. Slow to the posted speed.

About This Sign

This warning sign marks a curve sharp enough that trucks and top-heavy vehicles can roll over if it is taken too fast. Reduce your speed to the advisory limit shown before you enter the curve.

Other Warning Signs

Frequently Asked Questions

What does the Truck Rollover Warning mean?

A sharp curve ahead where trucks and other high vehicles risk rolling over. Slow to the posted speed.

What shape and color is the Truck Rollover Warning?

The Truck Rollover Warning uses the Diamond shape and Yellow with black coloring.

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Truck Rollover Warning Meaning 2026 - DMV Test Guide & Free Practice | DMV IQ