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G20-1(CA) Advance Lane Assignment Sign

Assigns a destination or route to a particular lane in advance of a junction. This California G20 guide-sign series is distinct from the federal G20 work-zone sign series.

Sign Name
Advance Lane Assignment Sign
MUTCD Code
G20-1(CA)
California designation
California-coded sign
Sign Category
Guide & Destination Signs

Specifications

Shape
Rectangle (Horizontal)
Color / legend
Green background, white 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 1Variable width × 30" height
  • Layout 2Variable width × 42" height
View dimensions and source

Placement Context

Where it sits
At the location appropriate to this guide-sign function; consult the linked manual and drawing for its application.
CA MUTCD reference
CA MUTCD 2026 Chapter 2D — Guide Signs — Conventional Roads

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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