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Road May Flood: What It Means & What To Do

Road May Flood (W8-18) - diamond yellow with black warning sign: This road is subject to flooding
MUTCD CodeW8-18
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Road May Flood Mean?

This road is subject to flooding. Do not drive through standing water.

About This Sign

This sign warns that the road is in a low-lying area prone to flooding. If water is present, turn around - don't drown.

Where you will see it

You meet this sign on low-lying roads that are prone to flooding, where water can collect on the road during or after heavy rain.

What to do

  • Do not drive through standing water.
  • Turn around and find another route if water is on the road.
  • Slow down and be ready to stop in wet conditions.

A common mistake

Drivers think they can judge how deep the water is and go through. It is hard to tell how deep it is or what is under it, so the safe choice is to turn around.

What to remember for the test

Remember the slogan on this sign: turn around, don't drown. If water is present on a road marked as prone to flooding, do not enter it.

Other Warning Signs

Frequently Asked Questions

What does the Road May Flood mean?

This road is subject to flooding. Do not drive through standing water.

What shape and color is the Road May Flood?

The Road May Flood uses the Diamond shape and Yellow with black coloring.

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