SC10(CA) Lane Closed Ahead
Provides advance notice that a lane is closed. The message alerts approaching traffic to the lane restriction.
- Sign Name
- Lane Closed Ahead
- MUTCD Code
- SC10(CA)
- California designation
- California-coded sign
- Sign Category
- California Construction Signs
Specifications
- Shape
- Rectangle (Horizontal)
- Color / legend
- White background, black legend
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 148" × 30"
- Layout 266" × 36"
California Application & Variants
The drawing permits ROAD WORK AHEAD as an alternate message on this rectangular sign. Select its application using the current California manual and approved traffic-control plan.
Permitted messages
- LANE CLOSED AHEAD
- ROAD WORK AHEAD
Placement Context
- Where it sits
- At the location appropriate to the displayed instruction or warning, using the official drawing and project traffic-control plan.
- CA MUTCD reference
- CA MUTCD 2026 Chapter 6G — TTC Zone Regulatory Signs
Related Signs
Browse California Construction 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.
Need to Rent or Purchase This Sign? Contact Public Ready.
Public Ready supports sign selection, project-ready sign packages, and equipment sourcing through qualified providers — with expert support built for compliance.