M4-9b(CA) Pedestrian Detour (California)
Directs pedestrians along a detour using the pedestrian symbol and an arrow. This catalog entry uses a California label for the federal M4-9b design; the linked official drawing is M4-9b.
- Sign Name
- Pedestrian Detour (California)
- Catalog alias
- M4-9b(CA)
- Official sign code
- M4-9b
- California designation
- California application of federal M4-9b; catalog alias
- Sign Category
- Pedestrian & Sidewalk Closure Signs
Specifications
- Shape
- Rectangle (Horizontal)
- Color / legend
- Orange background, black legend and symbol
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.
- Layout size30" × 24"
When & Where It's Used
- Accessible pedestrian routing around closures
- Used with R9-series sidewalk-closure signs
- California right-of-way and encroachment-permit work
Placement Context
- Where it sits
- At the detour decision point or route assembly identified by the design.
- CA MUTCD reference
- CA MUTCD 2026 Chapter 6G — TTC Zone Regulatory Signs
Related Signs
Browse Pedestrian & Sidewalk Closure Signs
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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