MUTCD W8-19: Weather Condition Signs

The W8-19 sign is covered in Section 2C.34 of the Manual on Uniform Traffic Control Devices, 11th Edition. Below are the provisions from that section that describe when the sign is used and how it is placed.

What it means and when it is used

• Option · Permitted (may)
  The ROAD MAY FLOOD (W8-18) sign (see Figure 2C-7) may be used to warn road users that a section of roadway is subject to frequent flooding. A Depth Gauge (W8-19) sign (see Figure 2C-7 ) may also be installed within a roadway section that frequently floods.
• Guidance · Recommended (should)
  If used, the Depth Gauge sign should be in addition to the ROAD MAY FLOOD sign and should be mounted at the appropriate height to indicate the depth of the water at the deepest point on the roadway .

Placement and mounting

• Option · Permitted (may)
  The GUSTY WINDS AREA (W8-21) sign (see Figure 2C-7 ) may be used to warn road users that wind gusts frequently occur along a section of highway that are strong enough to impact the stability of trucks, recreational vehicles, and other vehicles with high centers of gravity. A NEXT XX MILES (W7-3aP) supplemental plaque (see Figure 2C-5) may be mounted below the W8-21 sign to inform road users of the length of roadway…
• Option · Permitted (may)
  The FOG AREA (W8-22) sign (see Figure 2C-7 ) may be used to warn road users that foggy conditions frequently reduce visibility along a section of highway . A NEXT XX MILES (W7-3aP) supplemental plaque (see Figure 2C- 5) may be mounted below the W8-22 sign to inform road users of the length of roadway that frequently experiences foggy conditions.

Where to read the rest

• Full text: MUTCD Section 2C.34: Weather Condition Signs
• Minimum sign sizes by roadway type are in the size section for this chapter: Section 2C.03
• Mounting height, lateral offset and retroreflectivity for any sign: MUTCD sign placement guide

Related signs in Section 2C.34