R4-7c · Narrow Keep Right
R4-7c Sizes & Dimensions
These sizes are listed in the linked California MUTCD table. Use the applicable roadway column and confirm the approved design and fabrication details with the roadway authority. All dimensions below are in inches.
Open R4-7c Official Size Table (PDF, opens in a new tab)Official PDF · Opens in a new tab
Sizes Listed in the California Manual
Sign face extracted from the adopted California manual figure; sizes from Table 2B-1. No dimensioned fabrication drawing is offered for this entry. Check road-type columns in the source table.
- CA MUTCD Table 2B-118" × 30"
Check the road-type column and applicable agency requirements in the linked table.
This manual figure is not a dimensioned fabrication drawing.
A manual table entry is not a standalone fabrication drawing. These sizes are listed in the linked California MUTCD table. Use the applicable roadway column and confirm the approved design and fabrication details with the roadway authority.
California Application & Variants
Use on a median island less than four feet wide at the sign location. The manual prohibits this narrow design on islands four feet wide or wider.
Educational 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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