W8-19 DEPTH GAUGE Requirements
Application notes for W8-19 DEPTH GAUGE. The official manual distinguishes mandatory standards, recommended guidance, and optional applications; consult the linked sources for the provisions that apply.
California Application & Variants
When used, California recommends it in addition to Road May Flood and mounted to indicate water depth at the deepest point on the roadway. Its measurement scale requires correct site placement; the sign does not indicate safe passage.
1. When DEPTH GAUGE Is Used
Indicates water depth within a roadway section subject to flooding.
- Roadway condition and warning-sign review
2. Placement and Application Notes
Position W8-19 select placement using the actual approach, sight distance, applicable California manual provisions, and responsible agency requirements..
- Place the sign where the intended road users have a clear, unobstructed view on approach.
- Use the mounting height and lateral placement specified for the sign and installation type.
- Use sign assemblies and supplemental plaques only as provided in the applicable manual and approved design.
3. Layout Sizes and Visibility Considerations
Linked-layout dimensions: 12" × 72". Check the applicable MUTCD and agency requirements for the required installation size.
- Choose size based on roadway speed, sight distance, and mounting location.
- Use the visibility and material requirements specified for this sign and installation.
4. Sign Selection Checks
- Match W8-19 to the actual condition and facility.
- When used, California recommends it in addition to Road May Flood and mounted to indicate water depth at the deepest point on the roadway. Its measurement scale requires correct site placement; the sign does not indicate safe passage.
- Select application size and installation using the California manual and agency requirements.
Related Resources
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Verify W8-19 Requirements
This is an educational reference. Verify sign use, size, placement, and application against the current CA MUTCD, Caltrans sign specifications, Standard Plans, and the reviewing agency. Official source links are gathered in one place.
View official sourcesEducational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Reference editions: California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition with Revision 1.
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