G66-22E(CA) Ethanol
The G66-22E(CA) Ethanol is a California MUTCD sign. Official depiction: Caltrans CA Sign Chart, 2014 Revision 3 (Sheet 10). Official title per CA MUTCD Table 2D-101(CA): “Ethanol E85” (Section 2D.45). No standalone Caltrans specification drawing is published for this sign. Official drawing: Caltrans sign specification G66-22E (CA) — the Layout button opens the official dimensioned specification sheet.
- Sign Name
- Ethanol
- General Meaning
- The G66-22E(CA) Ethanol is a California MUTCD sign.
- MUTCD Code
- G66-22E(CA)
- Typical Use
- At the decision point, junction, or service location the sign serves, per CA MUTCD Part 2 and Caltrans placement standards.
- Sign Category
- Guide & Destination Signs
Specifications
- Standard Shape
- Rectangle (Horizontal)
- Background Color
- Blue
- Legend / Symbol
- White legend
- Border
- White
- Reflectivity
- High Intensity (for nighttime visibility)
- Compliance
- MUTCD / CA MUTCD
Standard Sizes (inches)
- Conventional Rectangle (Horizontal)24"–48" tall
- Expressway Rectangle (Horizontal)36"–60" tall
- Freeway Rectangle (Horizontal)48"–72" tall
Material / Application Notes
Applied per the CA MUTCD and Caltrans sign specifications. Confirm placement and supplemental plaques against the applicable CA MUTCD standard.
View this sign on the CA MUTCD (Caltrans)California Notes
California-specific application notes and adoptions may differ. Review California requirements where applicable.
What It Means / When This Sign Is Used
In the field, G66-22E(CA) Ethanol is typically positioned at the advance warning area, ahead of the work. Common deployments include applied per the CA MUTCD and Caltrans sign specifications; selected and sized for the roadway type and setting; coordinated with the overall signing plan and permit. Always confirm its size, retroreflective sheeting, spacing, and placement against the CA MUTCD 2026 and the reviewing agency before finalizing the traffic control plan.
Learn more about Ethanol sign requirementsWhen & Where It's Used
- Applied per the CA MUTCD and Caltrans sign specifications
- Selected and sized for the roadway type and setting
- Coordinated with the overall signing plan and permit
Placement on a Traffic Control Plan
- Where it sits
- At the decision point, junction, or service location the sign serves, per CA MUTCD Part 2 and Caltrans placement standards.
- CA MUTCD reference
- CA MUTCD Part 2, Chapters 2D–2K (Guide and Motorist Services Signs)
- Typical minimum size
- Size varies with legend length and roadway class; set letter height, spacing, and border per the Caltrans Sign Specifications
California / Field Use Notes
Used in California per the CA MUTCD; its official depiction is on the Caltrans CA Sign Chart (2014 Rev 3, Sheet 10). Confirm size, retroreflective sheeting, and placement for the condition and the reviewing agency. No standalone Caltrans specification drawing is published for this sign, so dimensions are not asserted here.
In Los Angeles, this sign must conform to the CA MUTCD. Work in City of LA right-of-way is reviewed by StreetsLA and the Bureau of Engineering; state highways in LA County are permitted by Caltrans District 7; county roads by LA County DPW.
Common Plan Review Comments
- Official depiction: Caltrans CA Sign Chart 2014 Rev 3, Sheet 10 (no standalone Caltrans specification drawing).
- Verify size for the roadway classification and setting.
- Confirm retroreflective sheeting class per the CA MUTCD.
- Verify placement and mounting height per the CA MUTCD.
Official depiction sourced to the Caltrans CA Sign Chart 2014 Rev 3 (Sheet 10) for G66-22E(CA). No standalone Caltrans specification drawing exists. Confirm size and placement with the reviewing agency. Public Ready can review sign selection against your plan.
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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. Written against California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition. Official sources last verified June 2026.
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