R3-5cP HOV 2+ Requirements
Application notes for R3-5cP HOV 2+. The official manual distinguishes mandatory standards, recommended guidance, and optional applications; consult the linked sources for the provisions that apply.
1. When HOV 2+ Is Used
A supplemental HOV 2+ plaque used with a lane-control sign to show that the lane is reserved for high-occupancy vehicles carrying two or more occupants. It carries the word legend HOV 2+ and is not used alone.
- Mounted with a lane-control sign at HOV / carpool lane approaches
- Identifies the minimum occupancy for a reserved lane
- Used where lane restrictions continue through a work zone
2. Placement and Application Notes
Position R3-5cP at the point where the regulation applies, per CA MUTCD Part 2B.
- 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: 24" × 12". 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 R3-5cP and its displayed legend to the intended condition.
- Check the source drawing for the required directional or message variant.
Related Resources
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Verify R3-5cP 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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