R15-4c Light Rail Only — Center Lane
Reserves the center lane for light rail transit.
- Sign Name
- Light Rail Only — Center Lane
- MUTCD Code
- R15-4c
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Rectangle (Vertical)
- Color / legend
- White legend on black upper panel; black legend and train symbol on white lower panel
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.
Use California Table 8B-1 and its notes for roadway selection; pathway/sidewalk applications also reference Table 9A-1. Federal drawing sizes do not establish California installation minimums.
- Official drawing size24" × 30"
California Application & Variants
Reserves the center lane for light rail vehicles. The CENTER LANE header identifies the controlled lane.
Size selection: Use California Table 8B-1 and its notes for roadway selection; pathway/sidewalk applications also reference Table 9A-1. Federal drawing sizes do not establish California installation minimums.
When & Where It's Used
- Railroad or light rail crossing review
Placement Context
- Where it sits
- Reserves the center lane for light rail vehicles. The CENTER LANE header identifies the controlled lane..
- CA MUTCD reference
- CA MUTCD 2026 §8B.12
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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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