R5-6 No Bicycles
Prohibits bicycle traffic on the signed roadway or facility.
- Sign Name
- No Bicycles
- MUTCD Code
- R5-6
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Square
- Color / legend
- Black bicycle symbol and border, red prohibition symbol, white background
Sizes & Dimensions (inches)
These are dimensions shown on the linked layout. Select the required size using the applicable MUTCD and agency requirements; the smallest drawing size is not necessarily the permitted minimum.
Dimensions checked against the exact official dimensioned drawing and matching size-specific clean artwork. California R5-6 roadway minimums must be checked in Table 2B-1; do not infer an 18-inch minimum.
- Official drawing size18" × 18"
- Official drawing size24" × 24"
- Official drawing size30" × 30"
- Official drawing size36" × 36"
- Official drawing size48" × 48"
California Application & Variants
Place so bicyclists can identify the restricted facility and use an available alternative route. Check the California size table; the FHWA 18-inch drawing does not establish a California roadway minimum.
When & Where It's Used
- Regulatory signing review
Placement Context
- Where it sits
- Place so bicyclists can identify the restricted facility and use an available alternative route. Check the California size table; the FHWA 18-inch drawing does not establish a California roadway minimum..
- CA MUTCD reference
- CA MUTCD 2026 §2B.45
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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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